060625 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from June 6, 2025.

This video covers Day 2 of an Exam Review for the upcoming Final Lecture Exam. This is the final lecture video for CH 223 Spring 2025!

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

CH 223 Final Exam Review - Complete Lecture

This is the Complete Lecture for the Final Exam Review of CH 223.

CH 223: A Video Introduction to the Final Exams

This video offers a few tips and tricks on how to prepare for the final lecture exam in CH 223.

060425 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from June 4, 2025.

This video covers Day 1 of an Exam Review for the upcoming Final Lecture Exam.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

060225 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from June 2, 2025.

This video covers material from Chapter 19 including an introduction to complex ion and coordination compound nomenclature, geometrical isomerism in inorganic compounds, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

053025 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 30, 2025.

This video covers material from Chapter 19 including an overview of transition metals, Lewis acids and bases, ligands, coordination number, the dentate system for ligands, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Chapter 19 Complete Lecture

This the Complete Lecture for Chapter 19. There is only one episode for Chapter 19 and none for Chapter 18.

Chapter 19 Screencast - Inorganic Isomerism

A screencast from Chapter 19 in CH 223 which discusses the isomers from an inorganic perspective (including optical isomers and enantiomers.)

Chapter 19 Screencast - Nomenclature of Coordination Compounds

A screencast from Chapter 19 in CH 223 which discusses the nomenclature system for coordination compounds in inorganic chemistry.

Chapter 19 Screencast - An Introduction to Coordination Compounds

A screencast from Chapter 19 in CH 223 which introduces coordination compounds and their relationship to complex ions and transition metals.

CH 223: A Video Introduction to Chapter Guide Six

This is the video introduction to Chapter Guide Lesson Six (which covers Chapters 21 and 22) in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Six

This is the audio introduction to Chapter Guide Lesson Six (which covers Chapters 18 and 19) in our textbook) for Chemistry 223.

052825 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 28, 2025.

This video covers Day 3 of an Exam Review for the upcoming Midterm Exam II.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

052325 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 23, 2025.

This video covers Day 2 of an Exam Review for the upcoming Midterm Exam II.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Exam II Review - Complete Lecture

This the Complete Lecture for the Exam II Review of CH 223.

CH 223: A Video Introduction to Midterm Exam II

This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 223.

052125 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 21, 2025.

This video covers material from Chapter 17 including info on electrolysis and more; it also covers Day 1 of an Exam Review for the upcoming Midterm Exam II.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

051925 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 19, 2025.

This video covers material from Chapter 17 including using the Faraday constant F, deltaG and E, E and K, quantitative electrochemistry, the Nernst equation, types of batteries and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

051625 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 16, 2025.

This video covers material from Chapter 17 including using SHE electrodes, cell potential tables of reduction, calculating E values, E and delG (spontaneity), the Faraday constant F, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Chapter 17 Complete Lecture - Part II

This the Complete Lecture for Chapter 17. This episode is part 2 of 2 episodes.

Chapter 17 Complete Lecture - Part I

This the Complete Lecture for Chapter 17. This episode is part 1 of 2 episodes.

Chapter 17 Screencast - The Nernst Equation

A screencast from Chapter 17 in CH 223 which looks at the Nernst equation which is used to find cell potentials under non-standard conditions.

Chapter 17 Screencast - Quantitative Electrochemistry

A screencast from Chapter 17 in CH 223 which looks at methods to quantify electrochemical reactions using the Faraday constant. Memorize the Faraday constant!

Chapter 17 Screencast - Using Electromotive Force in Electrolytic Cells

A screencast from Chapter 17 in CH 223 which discusses how the electromotive force can be used in electrolytic cells for a variety of purposes.

Chapter 17 Screencast - Electromotive Force (EMF)

A screencast from Chapter 17 in CH 223 which discusses the electromotive force (EMF) and how it applies to chemistry.

Chapter 17 Screencast - Electrolytic Cells

A screencast from Chapter 17 in CH 223 which discusses the electrolytic cell and its implication for chemists.

Chapter 17 Screencast - Balancing Redox Reactions in Basic Solutions

A screencast from Chapter 17 in CH 223 which gives tips on how to balance redox reactions in basic conditions.

Chapter 17 Screencast - Balancing Redox Reactions in Acidic Solution

A screencast from Chapter 17 in CH 223 which gives tips on how to balance redox reactions in acidic conditions.

Chapter 17 Screencast - An Introduction to Redox Reactions and Electrochemistry

A screencast from Chapter 17 in CH 223 which introduces redox reactions and electrochemistry and how they influence our lives.

Chapter 16 Screencast - Gibbs, Temperature and Equilibrium

A screencast from Chapter 16 in CH 223 which discusses the relationship between Gibbs Energy, Temperature and Equilibrium.

Chapter 16 Screencast - Calculations with Gibbs Free Energy

A screencast from Chapter 16 in CH 223 which provides examples of how to calculate Gibbs Free Energy for reactions.

Chapter 16 Screencast - Gibbs Free Energy

A screencast from Chapter 16 in CH 223 which discusses Gibbs Free Energy and its implications in chemistry.

CH 223: A Video Introduction to Chapter Guide Five

This is the video introduction to Chapter Guide Lesson Five (which covers Chapter Sixteen and Chapter Seventeen) in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Five

This is the audio introduction to Chapter Guide Lesson Five (which covers Chapter Sixteen and Chapter Seventeen) in our textbook) for Chemistry 223.

051425 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 14, 2025.

This video covers material from Chapter 17 including balancing redox reactions in base, direct redox reactions, making an electrochemical cell, electrocell short hand notation, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

051225 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 12, 2025.

This video covers material from Chapter 17 including redox versus atom transfer reactions, direct and indirect redox reactions, balancing redox reactions (part 1), and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

050925 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 9, 2025.

This video covers material from Chapter 16 including the meaning of deltaG, enthalpy and entropy driven reactions, threshold temperatures and delG, equilibrium constants and delG, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Chapter 16 Complete Lecture - Part II

This the Complete Lecture for Chapter 16. This episode is part 2 of 2 episodes.

Chapter 16 Complete Lecture - Part I

This the Complete Lecture for Chapter 16. This episode is part 1 of 2 episodes.

Chapter 15 Complete Lecture

This the Complete Lecture for Chapter 15. There is only one episode for Chapter 15.

Chapter 16 Screencast - Entropy Calculations II

A screencast from Chapter 16 in CH 223 which gives additional suggestions and examples on how to calculate entropy.

Chapter 16 Screencast - Entropy Calculations I

A screencast from Chapter 16 in CH 223 which gives ideas on how to calculate entropy in different circumstances.

Chapter 16 Screencast - An Introduction to Entropy

A screencast from Chapter 16 in CH 223 which introduces entropy and what it means for thermodynamics and chemists.

Chapter 16 Screencast - Thermodynamics and Kinetics

A screencast from Chapter 16 in CH 223 which provides an overview of thermodynamics and kinetics (and the differences between these two fields of study.)

Chapter 15 Screencast - Complex Ions

A screencast from Chapter 15 in CH 223 which looks at complex ions and formation constants.

Chapter 15 Screencast - Separating Substances by Differences in Ksp

A screencast from Chapter 15 in CH 223 which looks at how clever chemists use differences in Ksp values to separate substances in solution.

Chapter 15 Screencast - The Common Ion Effect and Solubility

A screencast from Chapter 15 in CH 223 which investigates the role that the Common Ion Effect plays in regards to a substance\'s solubility.

Chapter 15 Screencast - Solubility and Ksp

A screencast from Chapter 15 in CH 223 which discusses how solubility relates to the solubility product constant used in equilibrium calculations.

Chapter 15 Screencast - An Introduction to Solubility

A screencast from Chapter 15 in CH 223 which introduces solubility and how it applies to chemical systems.

CH 223: A Video Introduction to Chapter Guide Four

This is the video introduction to Chapter Guide Lesson Four (which covers Chapter Fifteen and Chapter Sixteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Four

This is the audio introduction to Chapter Guide Lesson Four (which covers Chapter Fifteen and Chapter Sixteen in our textbook) for Chemistry 223.

050725 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 7, 2025.

This video covers material from Chapter 16 including entropy and enthalpy, the second law of thermodynamics, Gibbs Free energy, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

050525 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 5, 2025.

This video covers material from Chapter 16 including kinetics versus enthalpy, the 1st and 3rd laws of thermodynamics, an introduction to entropy, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

CH 223: A Video Introduction to the Class Presentations

This video offers a few tips and tricks on how to prepare for Class Presentations in CH 223.

050225 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 2, 2025.

This video covers material from Chapter 15 including separating ions through differences in Ksp, formation constants and Kf values, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

043025 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 30, 2025.

This video covers material from Chapter 15 including solubility, the solubility table from CH 221, Ksp, calculating ion concentrations to begin precipitation and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

042825 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 28, 2025.

This video covers material from day 3 of an Exam Review for Midterm Exam I of CH 223.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

042525 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 25, 2025.

This video covers material from day 2 of an Exam Review for Midterm Exam I of CH 223.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Exam I Review - Complete Lecture

This the Complete Lecture for the Exam I Review of CH 223.

CH 223: A Video Introduction to Midterm Exam I

This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 223.

042325 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 23, 2025.

This video covers material from day 1 of an Exam Review for Midterm Exam I of CH 223.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

042125 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 21, 2025.

This video covers material from Chapter 14 Part 2 including WA+SB titrations, WB+SA titrations, the effect of Ka on titration curves, polyprotic acids, indicators, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

041825 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 18, 2025.

This video covers material from Chapter 14 Part 2 including making a buffer, SA+SB titrations, SB+SA titrations, an intro to WA+SB titrations, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Chapter 14b Complete Lecture - Part II

This the Complete Lecture for Chapter 14b (Chapter 14 Part II). This episode is part 2 of 2 episodes.

Chapter 14b Complete Lecture - Part I

This the Complete Lecture for Chapter 14b (Chapter 14 Part II). This episode is part 1 of 2 episodes.

Chapter 14 Screencast - Titration Calculations: Weak Acid + Strong Base and Weak Base + Strong Acid

A screencast from Chapter 14 in CH 223 which examines the steps necessary when calculating the pH of points along a WA+SB and WB+SA titration.

Chapter 14 Screencast - Titration Calculations: Strong Acid + Strong Base and Strong Base + Strong Acid

A screencast from Chapter 14 in CH 223 which examines the steps necessary when calculating the pH of points along a SA+SB and SB+SA titration.

Chapter 14 Screencast - An Introduction to Titration Calculations

A screencast from Chapter 14 in CH 223 which looks at the calculations used to apply to titrations.

Chapter 14 Screencast - The Henderson-Hasselbalch Equation

A screencast from Chapter 14 in CH 223 which introduces the Henderson-Hasselbalch equation, which is arguably the most important equation of CH 223.

Chapter 14 Screencast - Buffers

A screencast from Chapter 14 in CH 223 which discusses buffers, solutions which resist changes in pH, and how to utilize them in the laboratory.

Chapter 14 - The Common Ion Effect

A screencast from Chapter 14 in CH 223 which introduces the Common Ion Effect, a special application of Le Chatelier\'s Principle.

Chapter 14 - An Introduction to Titrations

A screencast from Chapter 14 in CH 223 which introduces titrations, especially for titrations with strong acids and/or strong bases.

CH 223: A Video Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Fourteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Fourteen in our textbook) for Chemistry 223.

041625 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 16, 2025.

This video covers material from Chapter 14 Part 2 including buffers, the Henderson-Hasselbalch equation, adding strong acids and strong bases to a buffer (the modified HH equation to avoid \'double ICE\') and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

041425 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 14, 2025.

This video covers material from Chapter 14 Part 1 and Chapter 14 Part 2 including complex ions, formation constants, titrations, the Common Ion Effect (and Le Chatelier\'s Principle), and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

041125 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 11, 2025.

This video covers material from Chapter 14 Part 1 including the directionality of acid-base reactions, quick pH equations for weak acids and bases (as well as strong acids and bases), the pH effects of salts, Lewis acid and bases, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Chapter 14a Complete Lecture - Part II

This the Complete Lecture for Chapter 14a (Chapter 14 Part I). This episode is part 2 of 2 episodes.

Chapter 14a Complete Lecture - Part I

This the Complete Lecture for Chapter 14a (Chapter 14 Part I). This episode is part 1 of 2 episodes.

Chapter 15 Screencast - Lewis Acids and Bases

A screencast from Chapter 15 in CH 223 which discusses the Lewis acid and base theory, a powerful tool for upcoming chapters.

Chapter 14 Screencast - Equilibrium Concentrations with Weak Acids or Weak Bases

A screencast from Chapter 14 in CH 223 which looks at methods used to calculate the concentrations of species in solution when weak acids and bases are present.

Chapter 14 Screencast - Ka, Kb and Acid/Base Strength

A screencast from Chapter 14 in CH 223 which looks at the relation between the equilibrium constants (Ka and Kb) and the strength of an acid/base system.

Chapter 14 Screencast - Measuring Acid and Base Concentrations / the pH Scale

A screencast from Chapter 14 in CH 223 which discusses methods used to measure the concentration of acids and bases in solutions as well as an overview of the pH scale.

Chapter 14 Screencast - An Introduction to Acids and Bases

A screencast from Chapter 14 in CH 223 which introduces the Bronsted-Lowry theory of acid and bases and also introduces the idea of an acid and base.

CH 223: A Video Introduction to Chapter Guide Two

This is the video introduction to Chapter Guide Lesson Two (which covers Chapter Fourteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Two

This is the audio introduction to Chapter Guide Lesson Two (which covers Chapter Fourteen in our textbook) for Chemistry 223.

040925 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 9, 2025.

This video covers material from Chapter 14 Part 1 including Kw, pH and pOH, Ka and Kb, pKa and pKb, the table of acids and bases, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

040725 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 7, 2025.

This video covers material from Chapter 13 and Chapter 14 Part 1 including Le Chatelier\'s Principle and Q, strong and weak acids and bases, Kw, conjugate acids and bases, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

040425 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 4, 2025.

This video covers material from Chapter 13 including equilibrium calculations, Le Chatelier\'s Principle, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Chapter 13 Complete Lecture - Part II

This the Complete Lecture for Chapter 13. This episode is part 2 of 2 episodes.

Chapter 13 Complete Lecture - Part I

This the Complete Lecture for Chapter 13. This episode is part 1 of 2 episodes.

Chapter 13 Screencast - Le Chatelier's Principle

A screencast from Chapter 13 in CH 223 that gives examples of Le Chatelier\'s Principle, an important idea for this chapter and the rest of the quarter as well.

Chapter 13 Screencast - Using the K Value to Calculate Equilibrium Constants

A screencast from Chapter 13 in CH 223 which shows how an equilibrium constant can be obtained using the quadratic formula and other methods.

Chapter 13 Screencast - Understanding the Value of K (and Q)

A screencast from Chapter 13 in CH 223 which discusses the meaning of the K (and related Q) value in terms of its product- or reactant-favored status.

Chapter 13 Screencast - Manipulating the Equilibrium Constant

A screencast from Chapter 13 in CH 223 which provides examples of how the equilibrium constant can be manipulated to represent different reactions and stoichiometries.

Chapter 13 Screencast - Using the Equilibrium Constant

A screencast from Chapter 13 in CH 223 which demonstrates some of the ways an equilibrium constant can be used in chemistry.

Chapter 13 Screencast - An Introduction to Equilibrium

A screencast from Chapter 13 in CH 223 which introduces the idea of the equilibrium constant in chemistry.

CH 223: A Video Introduction to Chapter Guide One

This is the video introduction to Chapter Guide Lesson One (which covers Chapter Thirteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide One

This is the audio introduction to Chapter Guide Lesson One (which covers Chapter Thirteen in our textbook) for Chemistry 223.

040225 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 2, 2025.

This video covers material from Chapter 13 including converting Kp to Kc, the reaction quotient Q, equilibrium concentration calculations, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

033125 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from March 31, 2025.

This video covers material from Chapter 13 including equilibrium systems, the equilibrium constant K, using ICE tables, Kp and Kc, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

031425 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 14, 2025.

This video covers Day 2 of an Exam Review for the upcoming Lecture Final in CH 222.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

CH 222 Final Exam Review Session Complete Lecture

This video shows the Complete Lecture for the Final Exam Review in CH 222.

CH 222: A Video Introduction to the Final Exams

This video offers a few tips and tricks on how to prepare for lecture final exam and the lab final exam in CH 222.

031225 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 12, 2025.

This video covers Day 1 of an Exam Review for the upcoming Lecture Final in CH 222.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

031025 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 10, 2025.

This video covers material from Chapter 21 including nuclear stability, fusion, fission, medicine and the nucleus, making heavier elements, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

030725 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 7, 2025.

This video covers material from Chapter 21 including balancing nuclear reactions, decay and emission and capture reactions, the forces of nature, nuclear binding energy, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Chapter 21 Complete Lecture - Part II

This the Complete Lecture for Chapter 21. This episode is part 2 of 2 episodes.

Chapter 21 Complete Lecture - Part I

This the Complete Lecture for Chapter 21. This episode is part 1 of 2 episodes.

Chapter 12 Complete Lecture - Part II

This the Complete Lecture for Chapter 12. This episode is part 2 of 2 episodes.

Chapter 12 Complete Lecture - Part I

This the Complete Lecture for Chapter 12. This episode is part 1 of 2 episodes.

Chapter 21 Screencast - Nuclear Stability

A screencast from Chapter 21 in CH 222 which discusses the idea of nuclear stability - i.e. why some nuclei are stable and why some decompose over time.

Chapter 21 Screencast - Balancing Nuclear Reactions

A screencast from Chapter 21 in CH 222 which investigates methods used to balance nuclear reactions.

Chapter 21 Screencast - An Introduction to Nuclear Reactivity

A screencast from Chapter 21 in CH 222 which introduces the idea of nuclear reactivity and how it differs from past chapters.

Chapter 12 Screencast - Catalysts

A screencast from Chapter 12 in CH 222 which discusses the use of catalysts in reactions.

Chapter 12 Screencast - Mechanisms

A screencast from Chapter 12 in CH 222 which examines the mechanism for a reaction and what they can mean to the chemist.

Chapter 12 Screencast - Energy of Activation

A screencast from Chapter 12 in CH 222 which looks at the energy of activation for a reaction.

Chapter 12 Screencast - Half Life

A screencast from Chapter 12 in CH 222 which discusses half life (and even another method to find the value of k in a reaction.)

Chapter 12 Screencast - Finding the Value of k

A screencast from Chapter 12 in CH 222 which looks at methods to find the value of the rate constant, k.

Chapter 12 Screencast - The Rate Law

A screencast from Chapter 12 in CH 222 which examines the rate law, an equation to find the factors which affect the rate of a reaction.

Chapter 12 Screencast - An Introduction to Kinetics

A screencast from Chapter 12 in CH 222 which discusses the nature of kinetics, especially with relation to thermodynamics.

CH 222: A Video Introduction to Chapter Guide Six

This is the video introduction to Chapter Guide Lesson Six (which covers Chapters Twelve and Twenty-one in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Six

This is the audio introduction to Chapter Guide Lesson Six (which covers Chapters Twelve and Twenty-one in our textbook) for Chemistry 222.

030525 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 5, 2025.

This video covers material from Chapter 12 and Chapter 21 including mechanisms, catalysis, types of radioactive particles, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

030325 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 3, 2025.

This video covers material from Chapter 12 including the Arrhenius equation, mechanisms, the rate determining step (rds), elementary reactions, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

022825 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 28, 2025.

This video covers material from Chapter 12 including the integrated first order rate law, half life, half life and the rate constant, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

CH 222: A Video Introduction to the Class Presentations

This video offers a few tips and tricks on how to prepare for Class Presentations in CH 222.

022625 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 26, 2025.

This video covers material from Chapter 12 including rates (speeds) of reactions, the rate law, orders of reaction, the integrated first order rate law, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

022425 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 24, 2025.

This video covers day 3 of an Exam Review for the upcoming Midterm Exam II.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

022125 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 21, 2025.

This video covers day 2 of an Exam Review for the upcoming Midterm Exam II.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Exam II Review Session Complete Lecture

This video shows the Complete Lecture for the Exam II Review in CH 222.

CH 222: A Video Introduction to Midterm Exam II

This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 222.

Chapter 11 Complete Lecture - Part II

This the Complete Lecture for Chapter 11. This episode is part 2 of 2 episodes.

Chapter 11 Complete Lecture - Part I

This the Complete Lecture for Chapter 11. This episode is part 1 of 2 episodes.

Chapter 10 Complete Lecture - Part II

This the Complete Lecture for Chapter 10. This episode is part 2 of 2 episodes.

Chapter 10 Complete Lecture - Part I

This the Complete Lecture for Chapter 10. This episode is part 1 of 2 episodes.

Chapter 11 Screencast - Osmosis and Osmotic Pressure

A screencast from Chapter 11 in CH 222 which examines osmosis and osmotic pressure in solutions.

Chapter 11 Screencast - Boiling Point Elevation and Freezing Point Depression

A screencast from Chapter 11 in CH 222 which discusses boiling point elevation and freezing point depression for solutions.

Chapter 11 Screencast - Henry's Law and Raoult's Law

A screencast from Chapter 11 in CH 222 which looks at Henry\'s Law and Raoult\'s Law.

Chapter 11 Screencast - Solution Concentrations and Calculations

A screencast from Chapter 11 in CH 222 which examines calculations based on solutions.

Chapter 11 Screencast - An Introduction to Solutions

A screencast from Chapter 11 in CH 222 which introduces solutions and their properties.

Chapter 10 Screencast - Calculations Relating to Solids

A screencast from Chapter 10 in CH 222 which discusses calculations relating to solid compounds.

Chapter 10 Screencast - An Introduction to Solids

A screencast from Chapter 10 in CH 222 which introduces solids.

Chapter 10 Screencast - Phase Diagrams

A screencast from Chapter 10 in CH 222 which looks at phase diagrams.

Chapter 10 Screencast - Heat Transfer with Phase Change

A screencast from Chapter 10 in CH 222 which looks at how to calculate energy transfer amounts when phase changes are involved.

Chapter 10 Screencast - Surface Tension, Capillary Action and Viscosity

A screencast from Chapter 10 in CH 222 which examines surface tension, capillary action and viscosity.

Chapter 10 Screencast - Boiling Liquids

A screencast from Chapter 10 in CH 222 which discusses boiling liquids and the relation to vapor pressure.

Chapter 10 Screencast - Liquids

A screencast from Chapter 10 in CH 222 which examines liquids and their properties.

CH 222: A Video Introduction to Chapter Guide Five

This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Ten and Eleven in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Five

This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Ten and Eleven in our textbook) for Chemistry 222.

021925 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 19, 2025.

This video covers material from Chapter 11 including freezing point lowering, boiling point elevation, and osmotic pressure. This lecture also provides day 1 of an Exam Review for the upcoming Midterm Exam II.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

021725 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 17, 2025. (no video on Feb. 14 due to snow.)

This video covers material from Chapter 11 including solvent, solute, solution; saturated and unsaturated; new concentration units (molality, weight percent and mol fraction) and their relation to molarity; and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

021225 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 12, 2025.

This video covers material from Chapter 10 including liquids, vapor pressure, boiling of liquids, intermolecular forces and surface tension, viscosity, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

021025 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 10, 2025.

This video covers material from Chapter 9 and Chapter 10 including the relationship between temperature, mass and velocity for a gas; an overview of Intermolecular Forces (IM) including ion-dipole, dipole-dipole, hydrogen bonding, dipole-induced dipole and induced dipole-induced dipole; and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

020725 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 7, 2025. (no video on Feb. 5 due to snow.)

This video covers material from Chapter 9 including the \'math of gas\', the Ideal Gas Law (PV = nRT), PM = dRT, the value of R, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Chapter 10 Complete Lecture - Part I

This the Complete Lecture for Chapter 10. This episode is part 1 of 2 episodes.

Chapter 9 Complete Lecture - Part II

This the Complete Lecture for Chapter 9. This episode is part 2 of 2 episodes.

Chapter 9 Complete Lecture - Part I

This the Complete Lecture for Chapter 9. This episode is part 1 of 2 episodes.

Chapter 10 Screencast - Intermolecular Forces: Dipole-Induced Dipole and Induced Dipole-Induced Dipole

A screencast from Chapter 10 in CH 222 which looks at the weakest but important intermolecular forces, specifically dipole-induced dipole and induced dipole-induced dipole.

Chapter 10 Screencast - Intermolecular Forces: Dipole-Dipole and Hydrogen Bonds

A screencast from Chapter 10 in CH 222 which looks at the more intermolecular forces, namely dipole-dipole and the (very important!) hydrogen bonding forces.

Chapter 10 Screencast - Intermolecular Forces: An Introduction and Ion-Dipole

A screencast from Chapter 10 in CH 222 which introduces intermolecular (IM) forces and talks about the ion-dipole IM force.

Chapter 9 Screencast - Diffusion and Effusion

A screencast from Chapter 9 in CH 222 which discuses diffusion and effusion with respect to gases.

Chapter 9 Screencast - Gases and the Kinetic Molecular Theory (KMT)

A screencast from Chapter 9 in CH 222 which examines how the kinetic molecular theory helps explain the behavior of gases.

Chapter 9 Screencast - PM = dRT

A screencast from Chapter 9 in CH 222 that examines PM = dRT, an equation which relates the density of a gas to the molar mass of the gas.

Chapter 9 Screencast - The Ideal Gas Law (PV = nRT)

A screencast from Chapter 9 in CH 222 which examines the ideal gas law, the most important equation of this chapter. Make sure you memorize the value of R!

Chapter 9 Screencast - Boyle's Law and Charles's Law

A screencast from Chapter 9 in CH 222 which looks at the relationships between the properties of gases, specifically Boyle\'s Law and Charles\'s Laws.

Chapter 9 Screencast - An Introduction to Pressure

A screencast from Chapter 9 in CH 222 which looks at pressure and units used to definite its intensity.

CH 222: A Video Introduction to Chapter Guide Four

This is the video introduction to Chapter Guide Lesson Four (which covers Chapters Nine and Ten in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Four

This is the audio introduction to Chapter Guide Lesson Four (which covers Chapters Nine and Ten in our textbook) for Chemistry 222.

020325 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 3, 2025.

This video covers Day 3 of an exam review for the upcoming Midterm Exam I.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Exam I Review Session Complete Lecture

This video shows the Complete Lecture for the Exam I Review in CH 222.

CH 222: A Video Introduction to Midterm Exam I

This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 222.

013125 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 31, 2025.

This video covers Day 2 of an exam review for the upcoming Midterm Exam I.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

012925 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 29, 2025.

This video covers Day 1 of an exam review for the upcoming Midterm Exam I.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

012725 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 27, 2025.

This video covers material from Chapter 20 including the naming of benzene derivatives, carboxylic acids, amines, and a brief introduction to reactivity, polymers and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

012425 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 24, 2025.

This video covers material from Chapter 20 including the naming of cycloalkanes, alcohols, ethers, ketones, aldehydes, alkynes, alkenes and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Chapter 20 Complete Lecture - Part II

This the Complete Lecture for Chapter 20. This episode is part 2 of 2 episodes.

Chapter 20 Complete Lecture - Part I

This the Complete Lecture for Chapter 20. This episode is part 1 of 2 episodes.

Chapter 20 Screencast - Organic Chemistry - An Introduction to Organic Reactions

A screencast from Chapter 20 in CH 222 which shows a few examples of organic chemistry reactions.

Chapter 20 Screencast - Organic Chemistry - Nomenclature Self-Quiz

A screencast from Chapter 20 in CH 222 which provides a self-quiz for organic nomenclature. Try it! It\'s just for fun, maybe it will help you learn this week\'s material? :)

Chapter 20 Screencast - Organic Chemistry - Carboxylic Acids and Amines

A screencast from Chapter 20 in CH 222 which briefly examines carboxylic acids and amines.

Chapter 20 Screencast - Organic Chemistry - Ethers, Ketones, Aldehydes, Alkynes and Alkenes

A screencast from Chapter 20 in CH 222 which talks about ethers, ketones, aldehydes, alkynes and alkenes.

Chapter 20 Screencast - Organic Chemistry - Alcohols

A screencast from Chapter 20 in CH 222 which discusses the alcohol family.

Chapter 20 Screencast - Organic Chemistry - Isomers and Alkanes, Cycloalkanes and Alkyl Halides

A screencast from Chapter 20 in CH 222 which discusses isomerism, especially with relation to alkanes, cycloalkanes and alkyl halides.

Chapter 20 Screencast - Organic Chemistry - Aromatic Compounds

A screencast from Chapter 20 in CH 222 which looks at aromatic compounds in chemistry.

Chapter 20 Screencast - An Introduction to Organic Chemistry - Alkanes

A screencast from Chapter 20 in CH 222 which introduces organic chemistry, alkyl groups and alkanes.

CH 222: A Video Introduction to Chapter Guide Three

This is the video introduction to Chapter Guide Lesson Three (which covers Chapter Twenty in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Twenty in our textbook) for Chemistry 222.

012225 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 22, 2025.

This video covers material from Chapter 8 and Chapter 20 including molecular orbital theory, bond order in MO theory, magnetism, shorthand MO notation, an overview of organic chemistry, alkyl groups, alkanes, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

011725 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 17, 2025.

This video covers material from Chapter 8 including molecular orbital theory, bond order in MO theory, paramagnetism in MO, sigma and pi bonds in MO, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Chapter 8 Complete Lecture - Part II

This the Complete Lecture for Chapter 8. This episode is part 2 of 2 episodes.

Chapter 8 Complete Lecture - Part I

This the Complete Lecture for Chapter 8. This episode is part 1 of 2 episodes.

Chapter 8 Screencast - Molecular Orbital Theory Ions and Paramagnetism

A screencast from Chapter 8 in CH 222 which discusses how ions and paramagnetism are accounted for in molecular orbital theory.

Chapter 8 Screencast - Molecular Orbital Theory and Pi Bonds

A screencast from Chapter 8 in CH 222 which looks at multiple (pi) bonds as seen through molecular orbital theory.

Chapter 8 Screencast - Molecular Orbital Theory and Examples

A screencast from Chapter 8 in CH 222 which examines molecular orbital theory using some simple examples.

Chapter 8 Screencast - An Introduction to Molecular Orbital Theory

A screencast from Chapter 8 in CH 222 which introduces molecular orbital theory.

Chapter 8 Screencast - Multiple Bonds in Valence Bond Theory

A screencast from Chapter 8 in CH 222 which examines multiple (pi) bonds in valence bond theory.

Chapter 8 Screencast - Valence Bond Theory - Methane

A screencast from Chapter 8 in CH 222 which further examines valence bond theory using the example of methane.

Chapter 8 Screencast - An Introduction to Valence Bond Theory - Boron Trifluoride

A screencast from Chapter 8 in CH 222 which examines valence bond theory closer using the example of boron trifluoride.

Chapter 8 Screencast - An Introduction to Two Bonding Theories

A screencast from Chapter 8 in CH 222 which introduces the two main bonding theories used in chemistry, namely valence bond theory and molecular orbital theory.

CH 222: A Video Introduction to Chapter Guide Two

This is the video introduction to Chapter Guide Lesson Two (which covers Chapter Eight in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Two

This is the audio introduction to Chapter Guide Lesson Two (which covers Chapter Eight in our textbook) for Chemistry 222.

011525 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 15, 2025.

This video covers material from Chapter 8 including hybridization theory, pi bonds, an introduction to molecular orbital theory, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

011325 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 13, 2025.

This video covers material from Chapter 7 and Chapter 8 including bond polarity, molecular polarity, valence bond theory, hybridization of molecules, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

011025 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 10, 2025.

This video covers material from Chapter 7 including VSEPR, EPG and MG, bond order, bond energy and bond length, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

010825 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 8, 2025.

This video covers material from Chapter 7 including Lewis structures, making double bonds, resonance, formal charges, paramagnetic Lewis structures, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

010625 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 6, 2025.

This video covers material from Chapter 7 including a review of bonding types, valence electrons, core electrons, bonding pairs, lone pairs, the Lewis structure, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

A Video Welcome to the Winter 2025 Chemistry 222 Class!

Greetings to the Winter 2025 Chemistry 222 class! This is a personal message from your instructor, Dr. Michael Russell.... welcome to this exciting term, and let me know if you have any questions!

The best method to get in touch with me is through email: mike.russell@mhcc.edu

Our CH 222 website: https://mhchem.org/222

I\'m looking forward to having you in my classroom! Peace!

Chapter 7 Complete Lecture - Part 2

This the Complete Lecture for Chapter 7. This episode is part 2 of 2 episodes.

Chapter 7 Complete Lecture - Part I

This the Complete Lecture for Chapter 7. This episode is part 1 of 2 episodes.

Chapter 7 Screencast - Molecular Polarity

A screencast from Chapter 7 in CH 222 which investigates the polarity of a molecule using the polarities of individual bonds.

Chapter 7 Screencast - Bond Polarity and Electronegativity

A screencast from Chapter 7 in CH 222 which looks at the effect of electronegativity on bond polarity.

Chapter 7 Screencast - Bond Energy

A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond energy (and bond length as well).

Chapter 7 Screencast - Bond Order and Bond Length

A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond length.

Chapter 7 Screencast - VSEPR Theory

A screencast from Chapter 7 in CH 222 which looks at VSEPR theory and how it can help us determine bond angles, etc.

Chapter 7 Screencast - Formal Charges

A screencast from Chapter 7 in CH 222 which discuses Formal charges and how they help us predict the most stable resonance form.

Chapter 7 Screencast - Lewis Structures and Pi Bonds

A screencast from Chapter 7 in CH 222 which looks at pi bonds in Lewis structures.

Chapter 7 Screencast - An Introduction to Lewis Structures

A screencast from Chapter 7 in CH 222 which discusses Lewis structures and their usefulness in chemistry.

Chapter 7 Screencast - Bonding Pairs and Lone Pairs

A screencast from Chapter 7 in CH 222 which looks at bonding pairs and lone pairs in chemistry.

Chapter 7 Screencast - An Overview of Bonding in Chemistry

A screencast from Chapter 7 in CH 222 which provides an overview of the two main bonding types (ionic and covalent) in chemistry.

CH 222: A Video Introduction to Chapter Guide One

This is the video introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide One

This is the audio introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.

120624 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from December 6, 2024.

This video covers Day 2 of an Exam Review for the upcoming Final Lecture Exam. We also had two student presentations at the beginning.... very cool!

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

120424 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from December 4, 2024.

This video covers Day 1 of an Exam Review for the upcoming Final Lecture Exam.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Final Exam Review - Complete Lecture

This the Final Exam Review Complete Lecture (Part 1 of 1 files.)

CH 221 - A Video Introduction to the Final Exams

This video offers a few tips and tricks on how to prepare for the lecture final exam and the lab final exam in CH 221.

120224 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from December 2, 2024.

This video covers material from Chapter 6 Part II including electron configurations of ions (cations and anions), the periodic trends (size of atoms, size of ions, ionization energy and electron affinity) and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

112524 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 25, 2024.

This video covers material from Chapter 6 Part II including examples of filling electrons in neutral atoms, the usefulness of the n+l rule and Aufbau diagrams, Hund\'s rule, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Chapter 6 Part II Complete Lecture - Part II

This the Complete Lecture for Chapter 6 Part II. This episode is part 2 of 2 episodes.

Chapter 6 Part II Complete Lecture - Part I

This the Complete Lecture for Chapter 6 Part II. This episode is part 1 of 2 episodes.

Chapter 6 Part I Complete Lecture - Part II

This the Complete Lecture for Chapter 6 Part I. This episode is part 2 of 2 episodes.

Chapter 6 Part I Complete Lecture - Part I

This the Complete Lecture for Chapter 6 Part I. This episode is part 1 of 2 episodes.

Chapter 6 Screencast - Ionization Energy and Electron Affinity

A screencast from Chapter 6 in CH 221 which looks at Ionization Energy and Electron Affinity trends using the periodic table.

Chapter 6 Screencast - Size of Atoms and Ions

A screencast from Chapter 6 in CH 221 which talks about methods to estimate the sizes of atoms and ions using the periodic table.

Chapter 6 Screencast - Electron Configurations for Ions

A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to ions.

Chapter 6 Screencast - Electron Configurations for Atoms

A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to atoms.

Chapter 6 Screencast - Electron Filling Order (the n + l rule)

A screencast from Chapter 6 in CH 221 that looks at the n + l rule, which governs the placement of electrons in atoms.

Chapter 6 Screencast - Distributing Electrons in Atoms

A screencast from Chapter 6 in CH 221 which examines how electrons are assigned to atoms.

Chapter 6 Screencast - The Spin Quantum Number

A screencast from Chapter 6 in CH 221 which looks at the fourth quantum number, the spin quantum number.

Chapter 6 Screencast - Types of Orbitals

A screencast from Chapter 6 in CH 221 which looks at the types of orbitals found in atoms and how that affects electron composition.

Chapter 6 Screencast - An Introduction to Quantum Numbers

A screencast from Chapter 6 in CH 221 which introduces quantum mechanics and the quantum numbers.

Chapter 6 Screencast - de Broglie, Schrodinger and Heisenberg

A screencast from Chapter 6 in CH 221 which introduces three of the great minds of quantum chemistry and how their work affects the current model of the atom.

Chapter 6 Screencast - Bohr's Theory

A screencast from Chapter 6 in CH 221 that talks about Bohr\'s theory in greater detail, including its strengths and disadvantages.

Chapter 6 Screencast - Bohr and Sharp Line Spectra

A screencast from Chapter 6 in CH 221 which looks at Bohr\'s analysis of sharp line spectra and how it helped develop the modern theory of the atom.

Chapter 6 Screencast - Energy and Planck's Constant

A screencast from Chapter 6 in CH 221 which examines Planck\'s equation relating the energy of a photon to the frequency.

Chapter 6 Screencast - More on Electromagnetic Radiation

A screencast from Chapter 6 in CH 221 which examines the relationship between frequency and wavelength (namely the speed of light).

Chapter 6 Screencast - An Introduction to Electromagnetic Radiation

A screencast from Chapter 6 in CH 221 which introduces electromagnetic radiation (wavelength, frequency, node, etc.)

CH 221: A Video Introduction to Chapter Guide Six

This is the video introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Six

This is the audio introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.

112224 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 22, 2024.

This video covers material from Chapter 6 Part I and Part II including an example of quantum numbers on the n=3 shell, paramagnetism and diamagnetism, the Pauli Exclusion principle, the n + l rule, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

112024 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 20, 2024.

This video covers material from Chapter 6 Part I including the Heisenberg Uncertainty principle, the four quantum numbers, nl notation and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

111824 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 18, 2024.

This video covers material from Chapter 6 Part I including the Bohr model of the atom, sharp line spectra, absorption and emission, the de Broglie wave equation, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

111524 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 15, 2024.

This video covers material from Chapter 6 Part I including the electromagnetic spectrum, frequency, wavelength, the speed of light, Planck’s constant, the photoelectric effect, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

CH 221 - A Video Introduction to the Class Presentations

This video offers a few tips and tricks on how to prepare for the Class Presentations in CH 221.

111324 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 13, 2024.

This video covers Day 2 of an Exam Review for the upcoming Midterm Exam II.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

110824 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 8, 2024.

This video covers Day 1 of an Exam Review for the upcoming Midterm Exam II.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Exam II Review Session Complete Lecture

This video shows the Complete Lecture for the Exam II Review in CH 221.

CH 221 - A Video Introduction to Midterm Exam II

This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 221.

110624 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 6, 2024.

This video covers material from Chapter 5 including heats of formation, heats of formation equations, “deltaH(products) - deltaH(reactants)”, calorimetry, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

110424 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 4, 2024.

This video covers material from Chapter 5 including exo- and endothermic reactions, q = mCdelT, heat capacit, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

110124 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 1, 2024.

This video covers material from Chapter 4 Part II and Chapter 5 including titrations, the pH scale, thermodynamics and kinetics, endothermic and exothermic, the Joule, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Chapter 5 Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 5. This episode is part 2 of 2 episodes.

Chapter 5 Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 5. This episode is part 1 of 2 episodes.

Chapter 4 Part II Complete Lecture - Part 2 of 2 (repeated for Week 7)

This the Complete Lecture for Chapter 4 Part II. This episode is part 2 of 2 episodes.

Chapter 4 Part II Complete Lecture - Part I of 2 (repeated for Week 7)

This the Complete Lecture for Chapter 4 Part II. This episode is part 1 of 2 episodes.

Chapter 5 Screencast - Heats of Formation II

A screencast from Chapter 5 in CH 221 which continues to look at the utility of heats of formation for reactions.

Chapter 5 Screencast - Heats of Formation I

A screencast from Chapter 5 in CH 221 which looks at heat of formation values and Hess\'s Law.

Chapter 5 Screencast - Enthalpy & Hess's Law

A screencast from Chapter 5 in CH 221 which introduces enthalpy, (del)H, Hess\'s Law and how they can assist the chemist.

Chapter 5 Screencast - Calculating Energy With Changes of State

A screencast from Chapter 5 in CH 221 which examines energy changes with a change of state.

Chapter 5 Screencast - Calculating Energy With No Changes of State (q = mC(del)T)

A screencast from Chapter 5 in CH 221 which looks at energy changes with no change of state - the q = mC(del)T equation

Chapter 5 Screencast - Thermodynamics

A screencast from Chapter 5 in CH 221 that introduces Thermodynamics, the science of energy transfer.

Chapter 5 Screencast - An Introduction to Energy

A screencast from Chapter 5 in CH 221 which introduces energy from a chemistry perspective.

Chapter 4 Screencast - Titrations

A screencast from Chapter 4 in CH 221 that examines titrations and their usefulness.

Chapter 4 Screencast - The pH Scale / Solution Stoichiometry

A screencast from Chapter 4 in CH 221 which examines the pH scale and solution stoichiometry.

Chapter 3 Screencast - Preparing Solutions Through Dilution

A screencast from Chapter 3 in CH 221 which examines how solutions can be prepared from dilution methods.

Chapter 3 Screencast - An Introduction to Molarity

A screencast from Chapter 3 in CH 221 that introduces molarity and solution concentration.

Chapter 4 Screencast - Recognizing Redox Reactions

A screencast from Chapter 4 in CH 221 which offers tips on recognizing redox reactions.

Chapter 4 Screencast - Oxidation Numbers

A screencast from Chapter 4 in CH 221 which looks at oxidation numbers and their use in redox reactions.

Chapter 4 Screencast - An Introduction to Redox Reactions

A screencast from Chapter 4 in CH 221 that introduces redox reactions as well as oxidation and reduction.

CH 221: A Video Introduction to Chapter Guide Five

This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Five

This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.

103024 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 30, 2024.

This video covers material from Chapter 4 Part II including combustion reactions, redox reactions, molarity, preparing solutions, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

102824 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 28, 2024.

This video covers material from Chapter 4 Part II including solubility, electrolytes, net ionic reactions, three types of reaction, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

102524 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 25, 2024.

This video covers material from Chapter 4 Part I and Chapter 4 Part II including limiting reactants, EF and MF of organic substances with combustion, the definition of solvent, solute and solution, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Chapter 4 Part II Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 4 Part II. This episode is part 2 of 2 episodes.

Chapter 4 Part II Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 4 Part II. This episode is part 1 of 2 episodes.

Chapter 4 Part I Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 4 Part 1. This episode is part 2 of 2 episodes.

Chapter 4 Part I Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 4 Part 1. This episode is part 1 of 2 episodes.

Chapter 4 Screencast - Acid/Base, Gas-Forming and Combustion Reactions

A screencast from Chapter 4 in CH 221 that looks at more reaction types: acid/base, gas-forming and combustion reactions.

Chapter 4 Screencast - Net Ionic Reactions and Precipitation Reactions

A screencast from Chapter 4 in CH 221 that looks at net ionic reactions - the "action of the reaction" - as well as precipitation reactions.

Chapter 3 Screencast - Acids and Bases

A screencast from Chapter 3 in CH 221 which introduces acids and bases in chemistry.

Chapter 3 Screencast - An Introduction to Solutions

A screencast from Chapter 3 in CH 221 which introduces solutions in chemistry.

Chapter 4 Screencast - Empirical Formulas of Hydrocarbons with Oxygen

A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons containing oxygen through combustion analysis.

Chapter 4 Screencast - Empirical Formulas of Hydrocarbons Through Combustion

A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons through combustion analysis.

Chapter 4 Screencast - Limiting Reactants

A screencast from Chapter 4 in CH 221 which discusses limiting reactants and their meaning in chemistry.

Chapter 4 Screencast - Theoretical and Actual Yields

A screencast from Chapter 4 in CH 221 which looks at theoretical and actual yields (and percent yield as well!)

Chapter 4 Screencast - Balancing Chemical Reactions

A screencast from Chapter 4 in CH 221 which discusses techniques used to balance chemical reactions.

Chapter 4 Screencast - The Chemical Reaction

A screencast from Chapter 4 in CH 221 which looks at the chemical reaction and the features of them.

CH 221: A Video Introduction to Chapter Guide Four

This is the video introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Four

This is the audio introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.

102324 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 23, 2024.

This video covers material from Chapter 4 Part I including balancing chemical reactions, theoretical yields, actual yields, percent yields, the \'grams-moles-moles-grams\' dance, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

102124 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 21, 2024.

This video covers Day 3 of an exam review for the upcoming Midterm Exam I. We also started to discuss Chapter 4 Part I including an introduction to chemical reactions and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

101824 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 18, 2024.

This video covers Day 2 of an exam review for the upcoming Midterm Exam I.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Exam I Review Session Complete Lecture

This video shows the Complete Lecture for the Exam I Review in CH 221.

CH 221 - A Video Introduction to Midterm Exam I

This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 221.

101624 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 16, 2024.

This video covers Day 1 of an exam review for the upcoming Midterm Exam I.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

101424 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 14, 2024.

This video covers material from Chapter 2 Part II of our textbook including percent composition ("percent by weight"), empirical formulas, molecular formulas and molar mass, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

101124 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 11, 2024.

This video covers material from Chapter 2 Part II of our textbook including acids, bases, hydrated compounds, molar mass and molecules, percent composition ("percent by weight"), and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Chapter 2 Part II Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 2 Part 2. This episode is part 2 of 2 episodes.

Chapter 2 Part II Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 2 Part 2. This episode is part 1 of 2 episodes.

Chapter 2 Part 2 Screencast - Empirical Formula and Molecular Formula

A screencast from Chapter 2 Part 2 in CH 221 which looks at the relationship between empirical and molecular formulas when determining the identity of a compound.

Chapter 2 Part 2 Screencast - Percent Composition

A screencast from Chapter 2 Part 2 in CH 221 that examines percent composition and how it can lead to an empirical formula.

Chapter 2 Part 2 Screencast - Molar Mass

A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of molar mass and how it applies to compounds.

Chapter 2 Part 2 Screencast - Acids, Bases and Hydrates

A screencast from Chapter 2 Part 2 in CH 221 that looks at acids, bases and hydrated compounds (called hydrates.)

Chapter 2 Part 2 Screencast - Covalent Molecules

A screencast from Chapter 2 Part 2 in CH 221 that introduces covalent molecules and covalent bonding.

Chapter 2 Part 2 Screencast - Electrostatic Forces and Coulomb's Law

A screencast from Chapter 2 Part 2 in CH 221 that discusses electrostatic forces and Coulomb\'s Law as applied to ionic bonding.

Chapter 2 Part 2 Screencast - Making Ionic Compounds

A screencast from Chapter 2 Part 2 in CH 221 which examines the formation of ionic compounds.

Chapter 2 Part 2 Screencast - Polyatomic Ions Self Quiz

A screencast from Chapter 2 Part 2 in CH 221 that gives a sort of "self quiz" on polyatomic nomenclature. You can use the controls on your player to stop/start the quiz.

Chapter 2 Part 2 Screencast - Polyatomic Ions

A screencast from Chapter 2 Part 2 in CH 221 which examines polyatomic ions. Try to memorize as many of these as you can!

Chapter 2 Part 2 Screencast - Cations and Anions

A screencast from Chapter 2 Part 2 in CH 221 that examines cations and anions in ionic bonds.

Chapter 2 Part 2 Screencast - The Seven Diatomics

A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of allotropes of elements and the most important seven diatomics.

Chapter 2 Part 2 Screencast - Compounds and Molecules

A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of compounds and their smallest component, a molecule.

CH 221: A Video Introduction to Chapter Guide Three

This is the video introduction to Chapter Guide Lesson Three (which covers the second portion of Chapter Two in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers the second portion of Chapter Two in our textbook) for Chemistry 221.

100924 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 9, 2024.

This video covers material from Chapter 2 Part II of our textbook including fixed charge and variable charge metals, making ionic bonds, covalent bonds (nonmetal plus nonmetal), Coulomb\'s law, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

100724 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 7, 2024.

This video covers material from Chapter 2 Part I and Part II of our textbook including groups on the periodic table, the importance of nomenclature, allotropes, the seven diatomics, cations and anions, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

100424 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 4, 2024.

This video covers material from Chapter 2 Part I of our textbook including isotopes, the atomic weight of an element, the mole and Avogadro\'s number, molar mass, an introduction to the periodic table, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Chapter 2 Part I Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 2 Part 1. This episode is part 2 of 2 episodes.

Chapter 2 Part I Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 2 Part 1. This episode is part 1 of 2 episodes.

Chapter 2 Part 1 Screencast - The Periodic Table

A screencast from Chapter 2 Part 1 in CH 221 which examines the periodic table, the most important cheat cheat ever created! *smiles* :)

Chapter 2 Part 1 Screencast - The Mole

A screencast from Chapter 2 Part 1 in CH 221 which introduces the mole, the important counting number for chemists.

Chapter 2 Part 1 Screencast - Isotopic Abundance

A screencast from Chapter 2 Part 1 in CH 221 which looks at isotopic abundance and methods to calculate it.

Chapter 2 Part 1 Screencast - The Atomic Number

A screencast from Chapter 2 Part 1 in CH 221 which looks at the atomic number and what it implies.

Chapter 2 Part 1 Screencast - The Atom

A screencast from Chapter 2 Part 1 in CH 221 which looks at the atom and what it is made of on an atomic level.

CH 221: An Video Introduction to Chapter Guide Two

This is the video introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Two

This is the audio introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221.

100224 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 2, 2024.

This video covers material from Chapter 2 Part I of our textbook including the discovery of atomic subatomic particles, atomic number, mass number, isotopes, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

093024 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from September 30, 2024.

This video covers material from Chapter 1 and Chapter 2 Part 1 of our textbook including density, temperature scales, mass percentages and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

092724 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from September 27, 2024.

This video covers material from Chapter 1 of our textbook including significant figures, the doubtful digit, density, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

092524 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from September 25, 2024.

This video covers material from Chapter 1 of our textbook including the kinetic molecular theory (KMT), endothermic and exothermic, the metric system, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

A Video Welcome to the Fall 2024 Chemistry 221 Class!

Greetings to the Fall 2024 Chemistry 221 class! This is a personal message from your instructor, Dr. Michael Russell.... welcome to this exciting term, and let me know if you have any questions!

The best method to get in touch with me is through email: mike.russell@mhcc.edu

Our CH 221 website: https://mhchem.org/221

I\'m looking forward to having you in my classroom! Peace!

092324 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from September 23, 2024.

This video covers material from Chapter 1 of our textbook including a quick overview of the course, plus an introduction to "what chemistry is", the difference between elements and molecules, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Chapter 1 Complete Lecture Part II

This the Complete Lecture for Chapter 1. This episode is part 2 of 2 episodes.

Chapter 1 Complete Lecture Part I

This the Complete Lecture for Chapter 1. This episode is part 1 of 2 episodes.

Chapter 1 Screencast - Significant Figures and Scientific Notation

A screencast from Chapter 1 in CH 221 which examines the two most important concepts from Chapter One: significant figures and scientific notation.

Chapter 1 Screencast - Precision and Accuracy

A screencast from Chapter 1 in CH 221 which looks at precision, accuracy, parts per thousand, and more.

Chapter 1 Screencast - Temperature

A screencast from Chapter 1 in CH 221 which looks at the three temperature scales used by chemists frequently.

Chapter 1 Screencast - Density

A screencast from Chapter 1 in CH 221 that provides an overview of density, a useful physical property often utilized by chemists.

Chapter 1 Screencast - States of Matter

A screencast from Chapter 1 in CH 221 which discusses the States of Matter commonly found on the Earth.

Chapter 1 Screencast - An Introduction to Chemistry

A screencast from Chapter 1 in CH 221 which introduces the field of chemistry.

CH 221: A Video Introduction to Chapter Guide One

This is the video introduction to Chapter Guide Lesson One (which covers Chapter One in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide One

This is the audio introduction to Chapter Guide Lesson One (which covers Chapter One in our textbook) for Chemistry 221.

Welcome to Chemistry 221! - A Promotional Video

A promotional video for my CH 221 class.

060724 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from June 7, 2024.

This video covers day 2 of an exam review for the upcoming lecture final. We also had some extra credit presentations on antibiotic resistance and the northern lights!

060524 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from June 5, 2024.

This video covers day 1 of an exam review for the upcoming lecture final. We also had an extra credit presentation on mushrooms!

CH 223 Final Exam Review - Complete Lecture

This the Complete Lecture for the Final Exam Review of CH 223.

CH 223: A Video Introduction to the Final Exams

This video offers a few tips and tricks on how to prepare for the final lecture exam in CH 223.

060324 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from June 3, 2024.

This video covers material from Chapter 19 of our textbook including the nomenclature of complex ions and coordinate compounds, geometric isomers, optical isomers and enantiomers, and more.

053124 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 31, 2024.

This video covers material from Chapter 19 of our textbook including a discussion of the dentate systems with ligands, bidentate and polydentate ligands, an introduction to coordination compound nomenclature, and more.

052924 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 29, 2024.

This video covers material from Chapter 19 of our textbook including a review of transition metal chemistry, complex ions, coordination numbers, the \'dentate\' system for ligands, and more.

Chapter 19 Complete Lecture

This the Complete Lecture for Chapter 19. There is only one episode for Chapter 19 and none for Chapter 18.

Chapter 19 Screencast - Inorganic Isomerism

A screencast from Chapter 19 in CH 223 which discusses the isomers from an inorganic perspective (including optical isomers and enantiomers.)

Chapter 19 Screencast - Nomenclature of Coordination Compounds

A screencast from Chapter 19 in CH 223 which discusses the nomenclature system for coordination compounds in inorganic chemistry.

Chapter 19 Screencast - An Introduction to Coordination Compounds

A screencast from Chapter 19 in CH 223 which introduces coordination compounds and their relationship to complex ions and transition metals.

CH 223: A Video Introduction to Chapter Guide Six

This is the video introduction to Chapter Guide Lesson Six (which covers Chapters 21 and 22) in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Six

This is the audio introduction to Chapter Guide Lesson Six (which covers Chapters 18 and 19) in our textbook) for Chemistry 223.

052424 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 24, 2024.

This video covers day 2 of an exam review for the upcoming midterm exam II in CH 223.

Exam II Review - Complete Lecture

This the Complete Lecture for the Exam II Review of CH 223.

CH 223: A Video Introduction to Midterm Exam II

This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 223.

052224 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 22, 2024.

This video covers day 1 of an exam review for the upcoming midterm exam II in CH 223.

052024 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 20, 2024.

This video covers material from Chapter 17 of our textbook including reduction potentials, potentials and deltaG, the Nernst equation, quantitative electrochemistry, and more.

051724 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 17, 2024.

This video covers material from Chapter 17 of our textbook including voltaic electrochemical cell, short hand cell notation, EMF, half cell potentials, and more.

Chapter 17 Complete Lecture - Part II

This the Complete Lecture for Chapter 17. This episode is part 2 of 2 episodes.

Chapter 17 Complete Lecture - Part I

This the Complete Lecture for Chapter 17. This episode is part 1 of 2 episodes.

Chapter 17 Screencast - The Nernst Equation

A screencast from Chapter 17 in CH 223 which looks at the Nernst equation which is used to find cell potentials under non-standard conditions.

Chapter 17 Screencast - Quantitative Electrochemistry

A screencast from Chapter 17 in CH 223 which looks at methods to quantify electrochemical reactions using the Faraday constant. Memorize the Faraday constant!

Chapter 17 Screencast - Using Electromotive Force in Electrolytic Cells

A screencast from Chapter 17 in CH 223 which discusses how the electromotive force can be used in electrolytic cells for a variety of purposes.

Chapter 17 Screencast - Electromotive Force (EMF)

A screencast from Chapter 17 in CH 223 which discusses the electromotive force (EMF) and how it applies to chemistry.

Chapter 17 Screencast - Electrolytic Cells

A screencast from Chapter 17 in CH 223 which discusses the electrolytic cell and its implication for chemists.

Chapter 17 Screencast - Balancing Redox Reactions in Basic Solutions

A screencast from Chapter 17 in CH 223 which gives tips on how to balance redox reactions in basic conditions.

Chapter 17 Screencast - Balancing Redox Reactions in Acidic Solution

A screencast from Chapter 17 in CH 223 which gives tips on how to balance redox reactions in acidic conditions.

Chapter 17 Screencast - An Introduction to Redox Reactions and Electrochemistry

A screencast from Chapter 17 in CH 223 which introduces redox reactions and electrochemistry and how they influence our lives.

Chapter 16 Screencast - Gibbs, Temperature and Equilibrium

A screencast from Chapter 16 in CH 223 which discusses the relationship between Gibbs Energy, Temperature and Equilibrium.

Chapter 16 Screencast - Calculations with Gibbs Free Energy

A screencast from Chapter 16 in CH 223 which provides examples of how to calculate Gibbs Free Energy for reactions.

Chapter 16 Screencast - Gibbs Free Energy

A screencast from Chapter 16 in CH 223 which discusses Gibbs Free Energy and its implications in chemistry.

CH 223: A Video Introduction to Chapter Guide Five

This is the video introduction to Chapter Guide Lesson Five (which covers Chapter Sixteen and Chapter Seventeen) in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Five

This is the audio introduction to Chapter Guide Lesson Five (which covers Chapter Sixteen and Chapter Seventeen) in our textbook) for Chemistry 223.

051524 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 15, 2024.

This video covers material from Chapter 17 of our textbook including direct redox reactions, balancing redox reactions, electrochemical cells, and more.

051324 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 13, 2024.

This video covers material from Chapter 16 and Chapter 17 of our textbook including calculations with delS, delG and delH; threshold temperatures with delG; redox reactions (LEO says GER), direct redox reactions, and more.

051024 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 10, 2024.

This video covers material from Chapter 16 of our textbook including calculations with delS universe, Gibbs free energy, the Gibbs equation, calculations with delG, entropy-favored and enthalpy-favored reactions, and more.

Chapter 16 Complete Lecture - Part II

This the Complete Lecture for Chapter 16. This episode is part 2 of 2 episodes.

Chapter 16 Complete Lecture - Part I

This the Complete Lecture for Chapter 16. This episode is part 1 of 2 episodes.

Chapter 15 Complete Lecture

This the Complete Lecture for Chapter 15. There is only one episode for Chapter 15.

Chapter 16 Screencast - Entropy Calculations II

A screencast from Chapter 16 in CH 223 which gives additional suggestions and examples on how to calculate entropy.

Chapter 16 Screencast - Entropy Calculations I

A screencast from Chapter 16 in CH 223 which gives ideas on how to calculate entropy in different circumstances.

Chapter 16 Screencast - An Introduction to Entropy

A screencast from Chapter 16 in CH 223 which introduces entropy and what it means for thermodynamics and chemists.

Chapter 16 Screencast - Thermodynamics and Kinetics

A screencast from Chapter 16 in CH 223 which provides an overview of thermodynamics and kinetics (and the differences between these two fields of study.)

Chapter 15 Screencast - Complex Ions

A screencast from Chapter 15 in CH 223 which looks at complex ions and formation constants.

Chapter 15 Screencast - Separating Substances by Differences in Ksp

A screencast from Chapter 15 in CH 223 which looks at how clever chemists use differences in Ksp values to separate substances in solution.

Chapter 15 Screencast - The Common Ion Effect and Solubility

A screencast from Chapter 15 in CH 223 which investigates the role that the Common Ion Effect plays in regards to a substance\'s solubility.

Chapter 15 Screencast - Solubility and Ksp

A screencast from Chapter 15 in CH 223 which discusses how solubility relates to the solubility product constant used in equilibrium calculations.

Chapter 15 Screencast - An Introduction to Solubility

A screencast from Chapter 15 in CH 223 which introduces solubility and how it applies to chemical systems.

CH 223: A Video Introduction to Chapter Guide Four

This is the video introduction to Chapter Guide Lesson Four (which covers Chapter Fifteen and Chapter Sixteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Four

This is the audio introduction to Chapter Guide Lesson Four (which covers Chapter Fifteen and Chapter Sixteen in our textbook) for Chemistry 223.

050824 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 8, 2024.

This video covers material from Chapter 16 of our textbook including an overview of entropy, the first law of thermodynamics, an overview of enthalpy (q = mCdelT, products - reactants, etc.), formation values, the second law of thermodynamics, and more.

050624 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 6, 2024.

This video covers material from Chapter 15 and Chapter 16 of our textbook including complex ions, formation constants, spontaneity, enthalpy flashback, entropy, and more.

050324 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 3, 2024.

This video covers material from Chapter 15 of our textbook including uses for Ksp values, separation of metal ions in solution, and more.

CH 223: A Video Introduction to the Class Presentations

This video offers a few tips and tricks on how to prepare for Class Presentations in CH 223.

050124 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 1, 2024.

This video covers material from Chapter 15 of our textbook including solubility, the solubility product constant (Ksp), uses for Ksp values, and more.

042924 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 29, 2024.

This video covers material for day 4 of an exam review for Midterm Exam I.

042624 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 26, 2024.

This video covers material for day 3 of an exam review for Midterm Exam I.

Exam I Review - Complete Lecture

This the Complete Lecture for the Exam I Review of CH 223.

CH 223: A Video Introduction to Midterm Exam I

This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 223.

042424 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 24, 2024.

This video covers material for day 2 of an exam review for Midterm Exam I.

042224 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 22, 2024.

This video covers material from Chapter 14 Part II of our textbook including WA+SB and WB+SA titrations, polyprotic acids, indicators, and more plus day 1 of an exam review for Midterm Exam I.

041924 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 19, 2024.

This video covers material from Chapter 14 Part II of our textbook including the Henderson-Hasselbalch equation, creating a buffer, SA+SB and SB+SA titrations, WA+SB titrations (continued on Monday) and more.

Chapter 14b Complete Lecture - Part II

This the Complete Lecture for Chapter 14b (Chapter 14 Part II). This episode is part 2 of 2 episodes.

Chapter 14b Complete Lecture - Part I

This the Complete Lecture for Chapter 14b (Chapter 14 Part II). This episode is part 1 of 2 episodes.

Chapter 14 Screencast - Titration Calculations: Weak Acid + Strong Base and Weak Base + Strong Acid

A screencast from Chapter 14 in CH 223 which examines the steps necessary when calculating the pH of points along a WA+SB and WB+SA titration.

Chapter 14 Screencast - Titration Calculations: Strong Acid + Strong Base and Strong Base + Strong Acid

A screencast from Chapter 14 in CH 223 which examines the steps necessary when calculating the pH of points along a SA+SB and SB+SA titration.

Chapter 14 Screencast - An Introduction to Titration Calculations

A screencast from Chapter 14 in CH 223 which looks at the calculations used to apply to titrations.

Chapter 14 Screencast - The Henderson-Hasselbalch Equation

A screencast from Chapter 14 in CH 223 which introduces the Henderson-Hasselbalch equation, which is arguably the most important equation of CH 223.

Chapter 14 Screencast - Buffers

A screencast from Chapter 14 in CH 223 which discusses buffers, solutions which resist changes in pH, and how to utilize them in the laboratory.

Chapter 14 - The Common Ion Effect

A screencast from Chapter 14 in CH 223 which introduces the Common Ion Effect, a special application of Le Chatelier\'s Principle.

Chapter 14 - An Introduction to Titrations

A screencast from Chapter 14 in CH 223 which introduces titrations, especially for titrations with strong acids and/or strong bases.

CH 223: A Video Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Fourteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Fourteen in our textbook) for Chemistry 223.

041724 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 17, 2024.

This video covers material from Chapter 14 Part II of our textbook including the Common Ion Effect, buffers, "double ICE" calculations, the Henderson-Hasselbalch equation, and more.

041524 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 15, 2024.

This video covers material from Chapter 14 Part 1 and Chapter 14 Part II of our textbook including Lewis acid/base theory, complex ions, formation constants, an introduction to titrations, the Common Ion Effect, and more.

041224 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 12, 2024.

This video covers material from Chapter 14 Part 1 of our textbook including equal moles of acid and base effects, approximations with pH of weak acids and bases, the pH effect of salts, and more.

Chapter 14a Complete Lecture - Part II

This the Complete Lecture for Chapter 14a (Chapter 14 Part I). This episode is part 2 of 2 episodes.

Chapter 14a Complete Lecture - Part I

This the Complete Lecture for Chapter 14a (Chapter 14 Part I). This episode is part 1 of 2 episodes.

Chapter 15 Screencast - Lewis Acids and Bases

A screencast from Chapter 15 in CH 223 which discusses the Lewis acid and base theory, a powerful tool for upcoming chapters.

Chapter 14 Screencast - Equilibrium Concentrations with Weak Acids or Weak Bases

A screencast from Chapter 14 in CH 223 which looks at methods used to calculate the concentrations of species in solution when weak acids and bases are present.

Chapter 14 Screencast - Ka, Kb and Acid/Base Strength

A screencast from Chapter 14 in CH 223 which looks at the relation between the equilibrium constants (Ka and Kb) and the strength of an acid/base system.

Chapter 14 Screencast - Measuring Acid and Base Concentrations / the pH Scale

A screencast from Chapter 14 in CH 223 which discusses methods used to measure the concentration of acids and bases in solutions as well as an overview of the pH scale.

Chapter 14 Screencast - An Introduction to Acids and Bases

A screencast from Chapter 14 in CH 223 which introduces the Bronsted-Lowry theory of acid and bases and also introduces the idea of an acid and base.

CH 223: A Video Introduction to Chapter Guide Two

This is the video introduction to Chapter Guide Lesson Two (which covers Chapter Fourteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Two

This is the audio introduction to Chapter Guide Lesson Two (which covers Chapter Fourteen in our textbook) for Chemistry 223.

041024 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 10, 2024.

This video covers material from Chapter 14 Part 1 of our textbook including the pH scale, pH and pOH, Ka and Kb, pKa and pKb, and more.

040824 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 8, 2024.

This video covers material from Chapter 13 and Chapter 14 Part 1 of our textbook including reactions with Q, strong and weak acids and bases, the water auto ionization constant Kw, and more.

040524 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 5, 2024.

This video covers material from Chapter 13 of our textbook including techniques to finding equilibrium concentrations, the quadratic formula, Le Chatelier\'s Principle, and more.

040324 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 3, 2024.

This video covers material from Chapter 13 of our textbook including manipulating equilibrium constant expressions, Kp and Kc, the reaction quotient Q, the meaning of K, and more.

040124 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 1, 2024.

This video covers material from Chapter 13 of our textbook including the concept of equilibrium, defining the equilibrium constant K, manipulating equilibrium constant expressions, and more.

Chapter 13 Complete Lecture - Part II

This the Complete Lecture for Chapter 13. This episode is part 2 of 2 episodes.

Chapter 13 Complete Lecture - Part I

This the Complete Lecture for Chapter 13. This episode is part 1 of 2 episodes.

Chapter 13 Screencast - Le Chatelier's Principle

A screencast from Chapter 13 in CH 223 that gives examples of Le Chatelier\'s Principle, an important idea for this chapter and the rest of the quarter as well.

Chapter 13 Screencast - Using the K Value to Calculate Equilibrium Constants

A screencast from Chapter 13 in CH 223 which shows how an equilibrium constant can be obtained using the quadratic formula and other methods.

Chapter 13 Screencast - Understanding the Value of K (and Q)

A screencast from Chapter 13 in CH 223 which discusses the meaning of the K (and related Q) value in terms of its product- or reactant-favored status.

Chapter 13 Screencast - Manipulating the Equilibrium Constant

A screencast from Chapter 13 in CH 223 which provides examples of how the equilibrium constant can be manipulated to represent different reactions and stoichiometries.

Chapter 13 Screencast - Using the Equilibrium Constant

A screencast from Chapter 13 in CH 223 which demonstrates some of the ways an equilibrium constant can be used in chemistry.

Chapter 13 Screencast - An Introduction to Equilibrium

A screencast from Chapter 13 in CH 223 which introduces the idea of the equilibrium constant in chemistry.

CH 223: A Video Introduction to Chapter Guide One

This is the video introduction to Chapter Guide Lesson One (which covers Chapter Thirteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide One

This is the audio introduction to Chapter Guide Lesson One (which covers Chapter Thirteen in our textbook) for Chemistry 223.

A Video Welcome to the Spring 2024 Chemistry 223 Class!

Greetings to the Spring 2024 Chemistry 223 class! This is a personal message from your instructor, Dr. Michael Russell.... welcome to this exciting term, and let me know if you have any questions!

The best method to get in touch with me is through email: mike.russell@mhcc.edu

Our CH 223 website: https://mhchem.org/223

The MHCC Bookstore (where you can purchase the CH 223 Companion): https://mhcc.textbookx.com/

I\'m looking forward to having you in my classroom! Peace!

031524 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 15, 2024.

This video covers Day 2 of 2 of an exam review for the upcoming lecture final. We also had two student presentations at the beginning of the lecture.

CH 222 Final Exam Review Session Complete Lecture

This video shows the Complete Lecture for the Final Exam Review in CH 222.

CH 222: A Video Introduction to the Final Exams

This video offers a few tips and tricks on how to prepare for lecture final exam and the lab final exam in CH 222.

031324 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 13, 2024.

This video covers Day 1 of 2 of an exam review for the upcoming lecture final.

031124 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 11, 2024.

This video starts with \'tech issues\' (the screen was not working, ack!), but it covers material from Chapter 21 of our textbook including binding energy, fusion, fission and more.

030824 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 8, 2024.

This video covers material from Chapter 21 of our textbook including nuclear decay patterns, the forces of nature, nuclear binding energy, and more.

Chapter 21 Complete Lecture - Part II

This the Complete Lecture for Chapter 21. This episode is part 2 of 2 episodes.

Chapter 21 Complete Lecture - Part I

This the Complete Lecture for Chapter 21. This episode is part 1 of 2 episodes.

Chapter 12 Complete Lecture - Part II

This the Complete Lecture for Chapter 12. This episode is part 2 of 2 episodes.

Chapter 12 Complete Lecture - Part I

This the Complete Lecture for Chapter 12. This episode is part 1 of 2 episodes.

Chapter 21 Screencast - Nuclear Stability

A screencast from Chapter 21 in CH 222 which discusses the idea of nuclear stability - i.e. why some nuclei are stable and why some decompose over time.

Chapter 21 Screencast - Balancing Nuclear Reactions

A screencast from Chapter 21 in CH 222 which investigates methods used to balance nuclear reactions.

Chapter 21 Screencast - An Introduction to Nuclear Reactivity

A screencast from Chapter 21 in CH 222 which introduces the idea of nuclear reactivity and how it differs from past chapters.

Chapter 12 Screencast - Catalysts

A screencast from Chapter 12 in CH 222 which discusses the use of catalysts in reactions.

Chapter 12 Screencast - Mechanisms

A screencast from Chapter 12 in CH 222 which examines the mechanism for a reaction and what they can mean to the chemist.

Chapter 12 Screencast - Energy of Activation

A screencast from Chapter 12 in CH 222 which looks at the energy of activation for a reaction.

Chapter 12 Screencast - Half Life

A screencast from Chapter 12 in CH 222 which discusses half life (and even another method to find the value of k in a reaction.)

Chapter 12 Screencast - Finding the Value of k

A screencast from Chapter 12 in CH 222 which looks at methods to find the value of the rate constant, k.

Chapter 12 Screencast - The Rate Law

A screencast from Chapter 12 in CH 222 which examines the rate law, an equation to find the factors which affect the rate of a reaction.

Chapter 12 Screencast - An Introduction to Kinetics

A screencast from Chapter 12 in CH 222 which discusses the nature of kinetics, especially with relation to thermodynamics.

CH 222: A Video Introduction to Chapter Guide Six

This is the video introduction to Chapter Guide Lesson Six (which covers Chapters Twelve and Twenty-one in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Six

This is the audio introduction to Chapter Guide Lesson Six (which covers Chapters Twelve and Twenty-one in our textbook) for Chemistry 222.

030624 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 6, 2024.

This video covers material from Chapter 12 and Chapter 21 of our textbook including mechanisms, catalysis, nuclear reactions, and more.

030424 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 4, 2024.

This video covers material from Chapter 12 of our textbook including the mechanisms, energy of activation, the Arrhenius equation, the meaning of rate orders and the rate law, and more.

030124 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 1, 2024.

This video covers material from Chapter 12 of our textbook including the integrated first order rate law, half life, graphical methods to find order, and more.

CH 222: A Video Introduction to the Class Presentations

This video offers a few tips and tricks on how to prepare for Class Presentations in CH 222.

022824 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 28, 2024.

This video covers material from Chapter 12 of our textbook including kinetics versus thermodynamics, rates in chemistry, the rate law, orders of reaction, and more.

022624 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 26, 2024.

This video covers day 3 of a review for the second midterm exam.

022324 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 23, 2024.

This video covers day 2 of a review for the second midterm exam.

Exam II Review Session Complete Lecture

This video shows the Complete Lecture for the Exam II Review in CH 222.

CH 222: A Video Introduction to Midterm Exam II

This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 222.

022124 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 21, 2024.

This video covers material from Chapter 11 of our textbook including osmosis and a beginning review for the second midterm exam, and more.

021624 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 16, 2024.

This video covers material from Chapter 11 of our textbook including an introduction to solutions, solubility, Henry\'s Law, molality, mole fraction, weight percent, and more.

Chapter 11 Complete Lecture - Part II

This the Complete Lecture for Chapter 11. This episode is part 2 of 2 episodes.

Chapter 11 Complete Lecture - Part I

This the Complete Lecture for Chapter 11. This episode is part 1 of 2 episodes.

Chapter 10 Complete Lecture - Part II

This the Complete Lecture for Chapter 10. This episode is part 2 of 2 episodes.

Chapter 10 Complete Lecture - Part I

This the Complete Lecture for Chapter 10. This episode is part 1 of 2 episodes.

Chapter 11 Screencast - Osmosis and Osmotic Pressure

A screencast from Chapter 11 in CH 222 which examines osmosis and osmotic pressure in solutions.

Chapter 11 Screencast - Boiling Point Elevation and Freezing Point Depression

A screencast from Chapter 11 in CH 222 which discusses boiling point elevation and freezing point depression for solutions.

Chapter 11 Screencast - Henry's Law and Raoult's Law

A screencast from Chapter 11 in CH 222 which looks at Henry\'s Law and Raoult\'s Law.

Chapter 11 Screencast - Solution Concentrations and Calculations

A screencast from Chapter 11 in CH 222 which examines calculations based on solutions.

Chapter 11 Screencast - An Introduction to Solutions

A screencast from Chapter 11 in CH 222 which introduces solutions and their properties.

Chapter 10 Screencast - Calculations Relating to Solids

A screencast from Chapter 10 in CH 222 which discusses calculations relating to solid compounds.

Chapter 10 Screencast - An Introduction to Solids

A screencast from Chapter 10 in CH 222 which introduces solids.

Chapter 10 Screencast - Phase Diagrams

A screencast from Chapter 10 in CH 222 which looks at phase diagrams.

Chapter 10 Screencast - Heat Transfer with Phase Change

A screencast from Chapter 10 in CH 222 which looks at how to calculate energy transfer amounts when phase changes are involved.

Chapter 10 Screencast - Surface Tension, Capillary Action and Viscosity

A screencast from Chapter 10 in CH 222 which examines surface tension, capillary action and viscosity.

Chapter 10 Screencast - Boiling Liquids

A screencast from Chapter 10 in CH 222 which discusses boiling liquids and the relation to vapor pressure.

Chapter 10 Screencast - Liquids

A screencast from Chapter 10 in CH 222 which examines liquids and their properties.

CH 222: A Video Introduction to Chapter Guide Five

This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Ten and Eleven in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Five

This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Ten and Eleven in our textbook) for Chemistry 222.

021424 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 14, 2024.

This video covers material from Chapter 10 of our textbook including heat of vaporization, Clausius-Clapeyron equation, phase diagrams, solids and calculations, and more.

021224 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 12, 2024.

This video covers material from Chapter 10 of our textbook including IM forces, turning liquids to gases, vapor pressure, normal boiling point, and more.

020924 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 9, 2024.

This video covers material from Chapter 9 and Chapter 10 of our textbook including PM = dRT, the KMT and gases, an intro to IM forces, and more.

Chapter 10 Complete Lecture - Part I

This the Complete Lecture for Chapter 10. This episode is part 1 of 2 episodes.

Chapter 9 Complete Lecture - Part II

This the Complete Lecture for Chapter 9. This episode is part 2 of 2 episodes.

Chapter 9 Complete Lecture - Part I

This the Complete Lecture for Chapter 9. This episode is part 1 of 2 episodes.

Chapter 10 Screencast - Intermolecular Forces: Dipole-Induced Dipole and Induced Dipole-Induced Dipole

A screencast from Chapter 10 in CH 222 which looks at the weakest but important intermolecular forces, specifically dipole-induced dipole and induced dipole-induced dipole.

Chapter 10 Screencast - Intermolecular Forces: Dipole-Dipole and Hydrogen Bonds

A screencast from Chapter 10 in CH 222 which looks at the more intermolecular forces, namely dipole-dipole and the (very important!) hydrogen bonding forces.

Chapter 10 Screencast - Intermolecular Forces: An Introduction and Ion-Dipole

A screencast from Chapter 10 in CH 222 which introduces intermolecular (IM) forces and talks about the ion-dipole IM force.

Chapter 9 Screencast - Diffusion and Effusion

A screencast from Chapter 9 in CH 222 which discuses diffusion and effusion with respect to gases.

Chapter 9 Screencast - Gases and the Kinetic Molecular Theory (KMT)

A screencast from Chapter 9 in CH 222 which examines how the kinetic molecular theory helps explain the behavior of gases.

Chapter 9 Screencast - PM = dRT

A screencast from Chapter 9 in CH 222 that examines PM = dRT, an equation which relates the density of a gas to the molar mass of the gas.

Chapter 9 Screencast - The Ideal Gas Law (PV = nRT)

A screencast from Chapter 9 in CH 222 which examines the ideal gas law, the most important equation of this chapter. Make sure you memorize the value of R!

Chapter 9 Screencast - Boyle's Law and Charles's Law

A screencast from Chapter 9 in CH 222 which looks at the relationships between the properties of gases, specifically Boyle\'s Law and Charles\'s Laws.

Chapter 9 Screencast - An Introduction to Pressure

A screencast from Chapter 9 in CH 222 which looks at pressure and units used to definite its intensity.

CH 222: A Video Introduction to Chapter Guide Four

This is the video introduction to Chapter Guide Lesson Four (which covers Chapters Nine and Ten in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Four

This is the audio introduction to Chapter Guide Lesson Four (which covers Chapters Nine and Ten in our textbook) for Chemistry 222.

020724 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 7, 2024.

This video covers material from Chapter 9 of our textbook including pressure, gases and the KMT, the ideal gas law, the gas constant R, and more.

020524 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 5, 2024.

This video covers Day 3 of a review for the upcoming midterm exam I.

020224 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 2, 2024.

This video covers Day 2 of a review for the upcoming midterm exam I.

Exam I Review Session Complete Lecture

This video shows the Complete Lecture for the Exam I Review in CH 222.

CH 222: A Video Introduction to Midterm Exam I

This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 222.

013124 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 31, 2024.

This video covers Chapter 20 of our textbook including polymers; this lecture also contains Day 1 of a review for the upcoming midterm exam I.

012924 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 29, 2024.

This video covers Chapter 20 of our textbook including aromatic compounds, carboxylic acids, amines, types of reactivity, and more.

012624 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 26, 2024.

This video covers Chapter 20 of our textbook including cycloalkanes, alcohols, ethers, ketones, aldehydes, alkynes, alkenes, and more.

Chapter 20 Complete Lecture - Part II

This the Complete Lecture for Chapter 20. This episode is part 2 of 2 episodes.

Chapter 20 Complete Lecture - Part I

This the Complete Lecture for Chapter 20. This episode is part 1 of 2 episodes.

Chapter 20 Screencast - Organic Chemistry - An Introduction to Organic Reactions

A screencast from Chapter 20 in CH 222 which shows a few examples of organic chemistry reactions.

Chapter 20 Screencast - Organic Chemistry - Nomenclature Self-Quiz

A screencast from Chapter 20 in CH 222 which provides a self-quiz for organic nomenclature. Try it! It\'s just for fun, maybe it will help you learn this week\'s material? :)

Chapter 20 Screencast - Organic Chemistry - Carboxylic Acids and Amines

A screencast from Chapter 20 in CH 222 which briefly examines carboxylic acids and amines.

Chapter 20 Screencast - Organic Chemistry - Aromatic Compounds

A screencast from Chapter 20 in CH 222 which looks at aromatic compounds in chemistry.

Chapter 20 Screencast - Organic Chemistry - Ethers, Ketones, Aldehydes, Alkynes and Alkenes

A screencast from Chapter 20 in CH 222 which talks about ethers, ketones, aldehydes, alkynes and alkenes.

Chapter 20 Screencast - Organic Chemistry - Alcohols

A screencast from Chapter 20 in CH 222 which discusses the alcohol family.

Chapter 20 Screencast - Organic Chemistry - Isomers and Alkanes, Cycloalkanes and Alkyl Halides

A screencast from Chapter 20 in CH 222 which discusses isomerism, especially with relation to alkanes, cycloalkanes and alkyl halides.

Chapter 20 Screencast - An Introduction to Organic Chemistry - Alkanes

A screencast from Chapter 20 in CH 222 which introduces organic chemistry, alkyl groups and alkanes.

CH 222: A Video Introduction to Chapter Guide Three

This is the video introduction to Chapter Guide Lesson Three (which covers Chapter Twenty in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Twenty in our textbook) for Chemistry 222.

012424 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 24, 2024 (many snow days missed.)

This video covers Chapter 20 of our textbook including alkyl groups, nomenclature in organic chemistry, alkanes, smallest number and longest chain, and more.

Chapter 8 Complete Lecture - Part II

This the Complete Lecture for Chapter 8. This episode is part 2 of 2 episodes.

Chapter 8 Complete Lecture - Part I

This the Complete Lecture for Chapter 8. This episode is part 1 of 2 episodes.

Chapter 8 Screencast - Molecular Orbital Theory Ions and Paramagnetism

A screencast from Chapter 8 in CH 222 which discusses how ions and paramagnetism are accounted for in molecular orbital theory.

Chapter 8 Screencast - Molecular Orbital Theory and Pi Bonds

A screencast from Chapter 8 in CH 222 which looks at multiple (pi) bonds as seen through molecular orbital theory.

Chapter 8 Screencast - Molecular Orbital Theory and Examples

A screencast from Chapter 8 in CH 222 which examines molecular orbital theory using some simple examples.

Chapter 8 Screencast - An Introduction to Molecular Orbital Theory

A screencast from Chapter 8 in CH 222 which introduces molecular orbital theory.

Chapter 8 Screencast - Multiple Bonds in Valence Bond Theory

A screencast from Chapter 8 in CH 222 which examines multiple (pi) bonds in valence bond theory.

Chapter 8 Screencast - Valence Bond Theory - Methane

A screencast from Chapter 8 in CH 222 which further examines valence bond theory using the example of methane.

Chapter 8 Screencast - An Introduction to Valence Bond Theory - Boron Trifluoride

A screencast from Chapter 8 in CH 222 which examines valence bond theory closer using the example of boron trifluoride.

Chapter 8 Screencast - An Introduction to Two Bonding Theories

A screencast from Chapter 8 in CH 222 which introduces the two main bonding theories used in chemistry, namely valence bond theory and molecular orbital theory.

CH 222: A Video Introduction to Chapter Guide Two

This is the video introduction to Chapter Guide Lesson Two (which covers Chapter Eight in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Two

This is the audio introduction to Chapter Guide Lesson Two (which covers Chapter Eight in our textbook) for Chemistry 222.

011224 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 12, 2024.

This video covers Chapter 7 of our textbook including formal charges, VSEPR theory, Electron pair geometry (EPG) and molecular geometry (MG), and more.

011024 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 10, 2024.

This video covers Chapter 7 of our textbook including more Lewis Structure examples, sigma and pi bonds, exceptions to the octet rule, paramagnetic molecules, formal charges, and more.

010824 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 8, 2024.

This video covers Chapter 7 of our textbook including a comparison of bonding types, Coulomb\'s Law, valence and bonding pairs, the Lewis Structure, and more.

A Video Welcome to the Winter 2024 Chemistry 222 Class!

Greetings to the Winter 2024 Chemistry 222 class! This is a personal message from your instructor, Dr. Michael Russell.... welcome to this exciting term, and let me know if you have any questions!

The best method to get in touch with me is through email: mike.russell@mhcc.edu

Our CH 222 website: https://mhchem.org/222

I\'m looking forward to having you in my classroom! Peace!

Chapter 7 Complete Lecture - Part 2

This the Complete Lecture for Chapter 7. This episode is part 2 of 2 episodes.

Chapter 7 Complete Lecture - Part I

This the Complete Lecture for Chapter 7. This episode is part 1 of 2 episodes.

Chapter 7 Screencast - Molecular Polarity

A screencast from Chapter 7 in CH 222 which investigates the polarity of a molecule using the polarities of individual bonds.

Chapter 7 Screencast - Bond Polarity and Electronegativity

A screencast from Chapter 7 in CH 222 which looks at the effect of electronegativity on bond polarity.

Chapter 7 Screencast - Bond Energy

A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond energy (and bond length as well).

Chapter 7 Screencast - Bond Order and Bond Length

A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond length.

Chapter 7 Screencast - VSEPR Theory

A screencast from Chapter 7 in CH 222 which looks at VSEPR theory and how it can help us determine bond angles, etc.

Chapter 7 Screencast - Formal Charges

A screencast from Chapter 7 in CH 222 which discuses Formal charges and how they help us predict the most stable resonance form.

Chapter 7 Screencast - Lewis Structures and Pi Bonds

A screencast from Chapter 7 in CH 222 which looks at pi bonds in Lewis structures.

Chapter 7 Screencast - An Introduction to Lewis Structures

A screencast from Chapter 7 in CH 222 which discusses Lewis structures and their usefulness in chemistry.

Chapter 7 Screencast - Bonding Pairs and Lone Pairs

A screencast from Chapter 7 in CH 222 which looks at bonding pairs and lone pairs in chemistry.

Chapter 7 Screencast - An Overview of Bonding in Chemistry

A screencast from Chapter 7 in CH 222 which provides an overview of the two main bonding types (ionic and covalent) in chemistry.

CH 222: A Video Introduction to Chapter Guide One

This is the video introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide One

This is the audio introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.

120823 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from December 8, 2023.

This video covers day 2 of 2 of an exam review for the upcoming lecture final exam in CH 221.

Final Exam Review - Complete Lecture

This the Final Exam Review Complete Lecture (Part 1 of 1 files.)

CH 221 - A Video Introduction to the Final Exams

This video offers a few tips and tricks on how to prepare for the lecture final exam and the lab final exam in CH 221.

120623 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from December 6, 2023.

This video covers day 1 of 2 of an exam review for the upcoming lecture final exam in CH 221.

120423 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from December 4, 2023.

This video covers material from Chapter 6 Part II of our textbook including the electron configurations for ions, periodic trends for sizes and other items, and more.

120123 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from December 1, 2023.

This video covers material from Chapter 6 Part II of our textbook including the electron configurations, Hund\'s Rule, electron configurations for anions and cations, and more.

112923 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 29, 2023.

This video covers material from Chapter 6 Part II of our textbook including the Pauli Exclusion Principle, the n+l rule, the Aufbau diagram, assigning electrons to atoms, and more.

CH 221: An Audio Introduction to Chapter Guide Six

This is the audio introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.

CH 221: A Video Introduction to Chapter Guide Six

This is the video introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.

Chapter 6 Screencast - An Introduction to Electromagnetic Radiation

A screencast from Chapter 6 in CH 221 which introduces electromagnetic radiation (wavelength, frequency, node, etc.)

Chapter 6 Screencast - More on Electromagnetic Radiation

A screencast from Chapter 6 in CH 221 which examines the relationship between frequency and wavelength (namely the speed of light).

Chapter 6 Screencast - Energy and Planck's Constant

A screencast from Chapter 6 in CH 221 which examines Planck\'s equation relating the energy of a photon to the frequency.

Chapter 6 Screencast - Bohr and Sharp Line Spectra

A screencast from Chapter 6 in CH 221 which looks at Bohr\'s analysis of sharp line spectra and how it helped develop the modern theory of the atom.

Chapter 6 Screencast - Bohr's Theory

A screencast from Chapter 6 in CH 221 that talks about Bohr\'s theory in greater detail, including its strengths and disadvantages.

Chapter 6 Screencast - de Broglie, Schrodinger and Heisenberg

A screencast from Chapter 6 in CH 221 which introduces three of the great minds of quantum chemistry and how their work affects the current model of the atom.

Chapter 6 Screencast - An Introduction to Quantum Numbers

A screencast from Chapter 6 in CH 221 which introduces quantum mechanics and the quantum numbers.

Chapter 6 Screencast - Types of Orbitals

A screencast from Chapter 6 in CH 221 which looks at the types of orbitals found in atoms and how that affects electron composition.

Chapter 6 Screencast - The Spin Quantum Number

A screencast from Chapter 6 in CH 221 which looks at the fourth quantum number, the spin quantum number.

Chapter 6 Screencast - Distributing Electrons in Atoms

A screencast from Chapter 6 in CH 221 which examines how electrons are assigned to atoms.

Chapter 6 Screencast - Electron Filling Order (the n + l rule)

A screencast from Chapter 6 in CH 221 that looks at the n + l rule, which governs the placement of electrons in atoms.

Chapter 6 Screencast - Electron Configurations for Atoms

A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to atoms.

Chapter 6 Screencast - Electron Configurations for Ions

A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to ions.

Chapter 6 Screencast - Size of Atoms and Ions

A screencast from Chapter 6 in CH 221 which talks about methods to estimate the sizes of atoms and ions using the periodic table.

Chapter 6 Screencast - Ionization Energy and Electron Affinity

A screencast from Chapter 6 in CH 221 which looks at Ionization Energy and Electron Affinity trends using the periodic table.

Chapter 6 Part I Complete Lecture - Part I

This the Complete Lecture for Chapter 6 Part I. This episode is part 1 of 2 episodes.

Chapter 6 Part I Complete Lecture - Part II

This the Complete Lecture for Chapter 6 Part I. This episode is part 2 of 2 episodes.

Chapter 6 Part II Complete Lecture - Part I

This the Complete Lecture for Chapter 6 Part II. This episode is part 1 of 2 episodes.

Chapter 6 Part II Complete Lecture - Part II

This the Complete Lecture for Chapter 6 Part II. This episode is part 2 of 2 episodes.

112723 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 27, 2023.

This video covers material from Chapter 6 Part I of our textbook including a discussion of d and f subshells, an overview of quantum numbers, planar and spherical nodes, a touch of the spin quantum number, and more.

112023 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 20, 2023.

This video covers material from Chapter 6 Part I of our textbook including the de Broglie equation, Heisenberg\'s uncertainty principle, Schrödinger\'s wave equations, and more.

111723 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 17, 2023.

This video covers material from Chapter 6 Part I of our textbook including Niels Bohr and the Bohr equation, sharp line spectra (emission lines, and compared to absorbance lines), and more.

CH 221 - A Video Introduction to the Class Presentations

This video offers a few tips and tricks on how to prepare for the Class Presentations in CH 221.

111523 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 15, 2023.

This video covers material from Chapter 6 Part I of our textbook including frequency, wavelength, the speed of light, Planck\'s constant, the photoelectric effect, and more.

111323 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 13, 2023.

This video covers a partial exam review for midterm II.

110823 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 8, 2023.

This video covers material from Chapter 5 of our textbook including heats of formation, calorimetry, and a beginning exam review for midterm II.

Exam II Review Session Complete Lecture

This video shows the Complete Lecture for the Exam II Review in CH 221.

CH 221 - A Video Introduction to Midterm Exam II

This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 221.

110623 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 6, 2023.

This video covers material from Chapter 5 of our textbook including q = mCdelT, q = "mass"*"heat of something", enthalpy, Hess\'s Law, and more.

110323 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 3, 2023.

This video covers material from Chapter 4 Part II and Chapter 5 of our textbook including pH, thermodynamics and kinetics, kinetic and potential energy, system and surroundings, exothermic and endothermic, and more.

Chapter 5 Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 5. This episode is part 2 of 2 episodes.

Chapter 5 Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 5. This episode is part 1 of 2 episodes.

Chapter 4 Part II Complete Lecture - Part 2 of 2 (repeated for Week 7)

This the Complete Lecture for Chapter 4 Part II. This episode is part 2 of 2 episodes.

Chapter 4 Part II Complete Lecture - Part I of 2 (repeated for Week 7)

This the Complete Lecture for Chapter 4 Part II. This episode is part 1 of 2 episodes.

Chapter 5 Screencast - Heats of Formation II

A screencast from Chapter 5 in CH 221 which continues to look at the utility of heats of formation for reactions.

Chapter 5 Screencast - Heats of Formation I

A screencast from Chapter 5 in CH 221 which looks at heat of formation values and Hess\'s Law.

Chapter 5 Screencast - Enthalpy & Hess's Law

A screencast from Chapter 5 in CH 221 which introduces enthalpy, (del)H, Hess\'s Law and how they can assist the chemist.

Chapter 5 Screencast - Calculating Energy With Changes of State

A screencast from Chapter 5 in CH 221 which examines energy changes with a change of state.

Chapter 5 Screencast - Calculating Energy With No Changes of State (q = mC(del)T)

A screencast from Chapter 5 in CH 221 which looks at energy changes with no change of state - the q = mC(del)T equation

Chapter 5 Screencast - Thermodynamics

A screencast from Chapter 5 in CH 221 that introduces Thermodynamics, the science of energy transfer.

Chapter 5 Screencast - An Introduction to Energy

A screencast from Chapter 5 in CH 221 which introduces energy from a chemistry perspective.

Chapter 4 Screencast - Titrations

A screencast from Chapter 4 in CH 221 that examines titrations and their usefulness.

Chapter 4 Screencast - The pH Scale / Solution Stoichiometry

A screencast from Chapter 4 in CH 221 which examines the pH scale and solution stoichiometry.

Chapter 3 Screencast - Preparing Solutions Through Dilution

A screencast from Chapter 3 in CH 221 which examines how solutions can be prepared from dilution methods.

Chapter 3 Screencast - An Introduction to Molarity

A screencast from Chapter 3 in CH 221 that introduces molarity and solution concentration.

Chapter 4 Screencast - Recognizing Redox Reactions

A screencast from Chapter 4 in CH 221 which offers tips on recognizing redox reactions.

Chapter 4 Screencast - Oxidation Numbers

A screencast from Chapter 4 in CH 221 which looks at oxidation numbers and their use in redox reactions.

Chapter 4 Screencast - An Introduction to Redox Reactions

A screencast from Chapter 4 in CH 221 that introduces redox reactions as well as oxidation and reduction.

CH 221: A Video Introduction to Chapter Guide Five

This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Five

This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.

110123 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 1, 2023.

This video covers material from Chapter 4 Part II of our textbook including molarity, solution preparation, solution stoichiometry, titrations, and more.

103023 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 30, 2023.

This video covers material from Chapter 4 Part II of our textbook including exchange reactions, net ionic reactions, an introduction to redox reactions and more.

102723 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 27, 2023.

This video covers material from Chapter 4 Part I and Chapter 4 Part II of our textbook including empirical formulas with C, H and O; the nature of a solution, solubility and CH 221, acids and bases, and more.

Chapter 4 Part II Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 4 Part II. This episode is part 2 of 2 episodes.

Chapter 4 Part II Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 4 Part II. This episode is part 1 of 2 episodes.

Chapter 4 Part I Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 4 Part 1. This episode is part 2 of 2 episodes.

Chapter 4 Part I Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 4 Part 1. This episode is part 1 of 2 episodes.

Chapter 4 Screencast - Acid/Base, Gas-Forming and Combustion Reactions

A screencast from Chapter 4 in CH 221 that looks at more reaction types: acid/base, gas-forming and combustion reactions.

Chapter 4 Screencast - Net Ionic Reactions and Precipitation Reactions

A screencast from Chapter 4 in CH 221 that looks at net ionic reactions - the "action of the reaction" - as well as precipitation reactions.

Chapter 3 Screencast - Acids and Bases

A screencast from Chapter 3 in CH 221 which introduces acids and bases in chemistry.

Chapter 3 Screencast - An Introduction to Solutions

A screencast from Chapter 3 in CH 221 which introduces solutions in chemistry.

Chapter 4 Screencast - Empirical Formulas of Hydrocarbons with Oxygen

A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons containing oxygen through combustion analysis.

Chapter 4 Screencast - Empirical Formulas of Hydrocarbons Through Combustion

A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons through combustion analysis.

Chapter 4 Screencast - Limiting Reactants

A screencast from Chapter 4 in CH 221 which discusses limiting reactants and their meaning in chemistry.

Chapter 4 Screencast - Theoretical and Actual Yields

A screencast from Chapter 4 in CH 221 which looks at theoretical and actual yields (and percent yield as well!)

Chapter 4 Screencast - Balancing Chemical Reactions

A screencast from Chapter 4 in CH 221 which discusses techniques used to balance chemical reactions.

Chapter 4 Screencast - The Chemical Reaction

A screencast from Chapter 4 in CH 221 which looks at the chemical reaction and the features of them.

CH 221: A Video Introduction to Chapter Guide Four

This is the video introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Four

This is the audio introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.

102523 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 25, 2023.

This video covers material from Chapter 4 Part I of our textbook including limiting reactants, excess reactants, theoretical yields, empirical formulas with C and H, and more.

102323 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 23, 2023.

This video covers material from Chapter 4 Part I of our textbook including balancing chemical equations, the law of mass action (conservation of mass), actual and theoretical yields (and percent yields), and more.

102023 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 20, 2023.

This video covers day 3 of an exam review for the upcoming midterm exam I.

Exam I Review Session Complete Lecture

This video shows the Complete Lecture for the Exam I Review in CH 221.

CH 221 - A Video Introduction to Midterm Exam I

This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 221.

101823 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 18, 2023.

This video covers day 2 of an exam review for the upcoming midterm exam I.

101623 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 16, 2023.

This video covers day 1 of an exam review for the upcoming midterm exam I.

101323 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 13, 2023.

This video covers material from Chapter 2 Part II of our textbook including mass (weight) percentages, empirical formulas, molecular formulas, and more.

Chapter 2 Part II Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 2 Part 2. This episode is part 2 of 2 episodes.

Chapter 2 Part II Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 2 Part 2. This episode is part 1 of 2 episodes.

Chapter 2 Part 2 Screencast - Empirical Formula and Molecular Formula

A screencast from Chapter 2 Part 2 in CH 221 which looks at the relationship between empirical and molecular formulas when determining the identity of a compound.

Chapter 2 Part 2 Screencast - Percent Composition

A screencast from Chapter 2 Part 2 in CH 221 that examines percent composition and how it can lead to an empirical formula.

Chapter 2 Part 2 Screencast - Molar Mass

A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of molar mass and how it applies to compounds.

Chapter 2 Part 2 Screencast - Acids, Bases and Hydrates

A screencast from Chapter 2 Part 2 in CH 221 that looks at acids, bases and hydrated compounds (called hydrates.)

Chapter 2 Part 2 Screencast - Covalent Molecules

A screencast from Chapter 2 Part 2 in CH 221 that introduces covalent molecules and covalent bonding.

Chapter 2 Part 2 Screencast - Electrostatic Forces and Coulomb's Law

A screencast from Chapter 2 Part 2 in CH 221 that discusses electrostatic forces and Coulomb\'s Law as applied to ionic bonding.

Chapter 2 Part 2 Screencast - Making Ionic Compounds

A screencast from Chapter 2 Part 2 in CH 221 which examines the formation of ionic compounds.

Chapter 2 Part 2 Screencast - Polyatomic Ions Self Quiz

A screencast from Chapter 2 Part 2 in CH 221 that gives a sort of "self quiz" on polyatomic nomenclature. You can use the controls on your player to stop/start the quiz.

Chapter 2 Part 2 Screencast - Polyatomic Ions

A screencast from Chapter 2 Part 2 in CH 221 which examines polyatomic ions. Try to memorize as many of these as you can!

Chapter 2 Part 2 Screencast - Cations and Anions

A screencast from Chapter 2 Part 2 in CH 221 that examines cations and anions in ionic bonds.

Chapter 2 Part 2 Screencast - The Seven Diatomics

A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of allotropes of elements and the most important seven diatomics.

Chapter 2 Part 2 Screencast - Compounds and Molecules

A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of compounds and their smallest component, a molecule.

CH 221: A Video Introduction to Chapter Guide Three

This is the video introduction to Chapter Guide Lesson Three (which covers the second portion of Chapter Two in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers the second portion of Chapter Two in our textbook) for Chemistry 221.

101123 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 11, 2023.

This video covers material from Chapter 2 Part II of our textbook including an overview of naming (metals +, nonmetals and covalent), electrostatic forces and Coulomb\'s Law, molar mass and compounds, and more.

100923 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 9, 2023.

This video covers material from Chapter 2 Part II of our textbook including the seven diatomics, ionic charges on atoms, cations and anions, polyatomic ions, and more.

100623 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 6, 2023.

This video covers material from Chapter 2 Part I of our textbook including the mole, Avogadro\'s number, groups and periods on the periodic table, an overview of some groups on the periodic table, and more.

Chapter 2 Part I Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 2 Part 1. This episode is part 2 of 2 episodes.

Chapter 2 Part I Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 2 Part 1. This episode is part 1 of 2 episodes.

Chapter 2 Part 1 Screencast - The Periodic Table

A screencast from Chapter 2 Part 1 in CH 221 which examines the periodic table, the most important cheat cheat ever created! *smiles* :)

Chapter 2 Part 1 Screencast - The Mole

A screencast from Chapter 2 Part 1 in CH 221 which introduces the mole, the important counting number for chemists.

Chapter 2 Part 1 Screencast - Isotopic Abundance

A screencast from Chapter 2 Part 1 in CH 221 which looks at isotopic abundance and methods to calculate it.

Chapter 2 Part 1 Screencast - The Atomic Number

A screencast from Chapter 2 Part 1 in CH 221 which looks at the atomic number and what it implies.

Chapter 2 Part 1 Screencast - The Atom

A screencast from Chapter 2 Part 1 in CH 221 which looks at the atom and what it is made of on an atomic level.

CH 221: An Video Introduction to Chapter Guide Two

This is the video introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Two

This is the audio introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221.

100423 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 4, 2023.

This video covers material from Chapter 2 Part I of our textbook including the discovery of atomic subatomic particles, atomic number, mass number, isotopes, and more.

100223 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 2, 2023.

This video covers material from Chapter 1 and Chapter 2 Part I of our textbook including math operations with significant figures, the composition of the atom, development of atomic theory, and more.

092923 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from September 29, 2023.

This video covers material from Chapter 1 of our textbook including more uses for density; temperature scales, an introduction to significant figures, and more.

092723 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from September 27, 2023.

This video covers material from Chapter 1 of our textbook including an overview of the phases of matter (solid, liquid and gas); an introduction to density, and more.

092523 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from September 25, 2023.

This video covers material from Chapter 1 of our textbook including a quick overview of the course, plus an introduction to "what chemistry is", the difference between elements and molecules, and more.

A Video Welcome to the Fall 2023 Chemistry 221 Class!

Greetings to the Fall 2023 Chemistry 221 class! This is a personal message from your instructor, Dr. Michael Russell.... welcome to this exciting term, and let me know if you have any questions!

CH 221: An Audio Introduction to Chapter Guide One

This is the audio introduction to Chapter Guide Lesson One (which covers Chapter One in our textbook) for Chemistry 221.

CH 221: A Video Introduction to Chapter Guide One

This is the video introduction to Chapter Guide Lesson One (which covers Chapter One in our textbook) for Chemistry 221.

Chapter 1 Screencast - An Introduction to Chemistry

A screencast from Chapter 1 in CH 221 which introduces the field of chemistry.

Chapter 1 Screencast - States of Matter

A screencast from Chapter 1 in CH 221 which discusses the States of Matter commonly found on the Earth.

Chapter 1 Screencast - Density

A screencast from Chapter 1 in CH 221 that provides an overview of density, a useful physical property often utilized by chemists.

Chapter 1 Screencast - Temperature

A screencast from Chapter 1 in CH 221 which looks at the three temperature scales used by chemists frequently.

Chapter 1 Screencast - Precision and Accuracy

A screencast from Chapter 1 in CH 221 which looks at precision, accuracy, parts per thousand, and more.

Chapter 1 Screencast - Significant Figures and Scientific Notation

A screencast from Chapter 1 in CH 221 which examines the two most important concepts from Chapter One: significant figures and scientific notation.

Chapter 1 Complete Lecture Part I

This the Complete Lecture for Chapter 1. This episode is part 1 of 2 episodes.

Chapter 1 Complete Lecture Part II

This the Complete Lecture for Chapter 1. This episode is part 2 of 2 episodes.

060923 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from June 9, 2023.

This video covers Day 2 of 2 of an exam review for the final CH 223 lecture exam. We also had five (!) student presentations which started this lecture!

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

CH 223 Final Exam Review - Complete Lecture

This the Complete Lecture for the Final Exam Review of CH 223.

CH 223: A Video Introduction to the Final Exams

This video offers a few tips and tricks on how to prepare for the final lecture exam in CH 223.

060723 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from June 7, 2023.

This video covers Day 1 of 2 of an exam review for the final CH 223 lecture exam.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

060523 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from June 5, 2023.

This video covers material from Chapter 19 including coordination compound nomenclature, types of isomers, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

060223 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from June 2, 2023.

This video covers material from Chapter 19 including transition metals, electron configuration, ligands, dentante and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Chapter 19 Complete Lecture

This the Complete Lecture for Chapter 19. There is only one episode for Chapter 19 and none for Chapter 18.

Chapter 19 Screencast - Inorganic Isomerism

A screencast from Chapter 19 in CH 223 which discusses the isomers from an inorganic perspective (including optical isomers and enantiomers.)

Chapter 19 Screencast - Nomenclature of Coordination Compounds

A screencast from Chapter 19 in CH 223 which discusses the nomenclature system for coordination compounds in inorganic chemistry.

Chapter 19 Screencast - An Introduction to Coordination Compounds

A screencast from Chapter 19 in CH 223 which introduces coordination compounds and their relationship to complex ions and transition metals.

CH 223: A Video Introduction to Chapter Guide Six

This is the video introduction to Chapter Guide Lesson Six (which covers Chapters 21 and 22) in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Six

This is the audio introduction to Chapter Guide Lesson Six (which covers Chapters 18 and 19) in our textbook) for Chemistry 223.

053123 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 31, 2023.

This video covers day 1 of an exam review for the upcoming midterm exam II in CH 223. You can see a complete version of the midterm II exam review here: http://mhchem.org/v/z.htm

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

052623 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 26, 2023.

This video covers material from Chapter 17 including quantitative electrochemistry, the Nernst equation, types of batteries, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Exam II Review - Complete Lecture

This the Complete Lecture for the Exam II Review of CH 223.

CH 223: A Video Introduction to Midterm Exam II

This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 223.

052423 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 24, 2023.

This video covers material from Chapter 17 including discovering and using electron half reactions, finding if a reaction will happen, the Faraday constant and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

052223 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 22, 2023.

This video covers material from Chapter 17 including balancing redox reactions in base, galvanic and voltaic cells, shorthand notation for electrochemical cells, EMF, SHE and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

051923 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 19, 2023.

This video covers material from Chapter 17 including direct vs. indirect redox reactions, balancing redox reactions in acid and base, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Chapter 17 Complete Lecture - Part II

This the Complete Lecture for Chapter 17. This episode is part 2 of 2 episodes.

Chapter 17 Complete Lecture - Part I

This the Complete Lecture for Chapter 17. This episode is part 1 of 2 episodes.

Chapter 17 Screencast - The Nernst Equation

A screencast from Chapter 17 in CH 223 which looks at the Nernst equation which is used to find cell potentials under non-standard conditions.

Chapter 17 Screencast - Quantitative Electrochemistry

A screencast from Chapter 17 in CH 223 which looks at methods to quantify electrochemical reactions using the Faraday constant. Memorize the Faraday constant!

Chapter 17 Screencast - Using Electromotive Force in Electrolytic Cells

A screencast from Chapter 17 in CH 223 which discusses how the electromotive force can be used in electrolytic cells for a variety of purposes.

Chapter 17 Screencast - Electromotive Force (EMF)

A screencast from Chapter 17 in CH 223 which discusses the electromotive force (EMF) and how it applies to chemistry.

Chapter 17 Screencast - Electrolytic Cells

A screencast from Chapter 17 in CH 223 which discusses the electrolytic cell and its implication for chemists.

Chapter 17 Screencast - Balancing Redox Reactions in Basic Solutions

A screencast from Chapter 17 in CH 223 which gives tips on how to balance redox reactions in basic conditions.

Chapter 17 Screencast - Balancing Redox Reactions in Acidic Solution

A screencast from Chapter 17 in CH 223 which gives tips on how to balance redox reactions in acidic conditions.

Chapter 17 Screencast - An Introduction to Redox Reactions and Electrochemistry

A screencast from Chapter 17 in CH 223 which introduces redox reactions and electrochemistry and how they influence our lives.

Chapter 16 Screencast - Gibbs, Temperature and Equilibrium

A screencast from Chapter 16 in CH 223 which discusses the relationship between Gibbs Energy, Temperature and Equilibrium.

Chapter 16 Screencast - Calculations with Gibbs Free Energy

A screencast from Chapter 16 in CH 223 which provides examples of how to calculate Gibbs Free Energy for reactions.

Chapter 16 Screencast - Gibbs Free Energy

A screencast from Chapter 16 in CH 223 which discusses Gibbs Free Energy and its implications in chemistry.

CH 223: A Video Introduction to Chapter Guide Five

This is the video introduction to Chapter Guide Lesson Five (which covers Chapter Sixteen and Chapter Seventeen) in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Five

This is the audio introduction to Chapter Guide Lesson Five (which covers Chapter Sixteen and Chapter Seventeen) in our textbook) for Chemistry 223.

051723 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 17, 2023.

This video covers material from Chapter 16 and Chapter 17 including the enthalpy and entropy driven reactions, threshold temperatures, Gibbs and equilibrium constants, electrochemistry terms, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

051523 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 15, 2023.

This video covers material from Chapter 16 including the second law of thermodynamics, delS of the universe, Gibbs Free energy, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

051223 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 12, 2023.

This video covers material from Chapter 16 including an overview of entropy, a review of previous enthalpy calculations, how to calculate a change in entropy, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Chapter 16 Complete Lecture - Part II

This the Complete Lecture for Chapter 16. This episode is part 2 of 2 episodes.

Chapter 16 Complete Lecture - Part I

This the Complete Lecture for Chapter 16. This episode is part 1 of 2 episodes.

Chapter 15 Complete Lecture

This the Complete Lecture for Chapter 15. There is only one episode for Chapter 15.

Chapter 16 Screencast - Entropy Calculations II

A screencast from Chapter 16 in CH 223 which gives additional suggestions and examples on how to calculate entropy.

Chapter 16 Screencast - Entropy Calculations I

A screencast from Chapter 16 in CH 223 which gives ideas on how to calculate entropy in different circumstances.

Chapter 16 Screencast - An Introduction to Entropy

A screencast from Chapter 16 in CH 223 which introduces entropy and what it means for thermodynamics and chemists.

Chapter 16 Screencast - Thermodynamics and Kinetics

A screencast from Chapter 16 in CH 223 which provides an overview of thermodynamics and kinetics (and the differences between these two fields of study.)

Chapter 15 Screencast - Complex Ions

A screencast from Chapter 15 in CH 223 which looks at complex ions and formation constants.

Chapter 15 Screencast - Separating Substances by Differences in Ksp

A screencast from Chapter 15 in CH 223 which looks at how clever chemists use differences in Ksp values to separate substances in solution.

Chapter 15 Screencast - The Common Ion Effect and Solubility

A screencast from Chapter 15 in CH 223 which investigates the role that the Common Ion Effect plays in regards to a substance's solubility.

Chapter 15 Screencast - Solubility and Ksp

A screencast from Chapter 15 in CH 223 which discusses how solubility relates to the solubility product constant used in equilibrium calculations.

Chapter 15 Screencast - An Introduction to Solubility

A screencast from Chapter 15 in CH 223 which introduces solubility and how it applies to chemical systems.

CH 223: A Video Introduction to Chapter Guide Four

This is the video introduction to Chapter Guide Lesson Four (which covers Chapter Fifteen and Chapter Sixteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Four

This is the audio introduction to Chapter Guide Lesson Four (which covers Chapter Fifteen and Chapter Sixteen in our textbook) for Chemistry 223.

051023 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 10, 2023.

This video covers material from Chapter 15 and Chapter 16 including formation constants for complex ions, an overview of thermodynamics and kinetics, spontaneity in thermodynamics, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

050823 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 8, 2023.

This video covers material from Chapter 15 including separating ions using the Common Ion Effect, using Ksp to separate ions in solution, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

050523 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 5, 2023.

This video covers material from Chapter 15 including an overview of CH 221 solubility, the meaning of solubility, solubility and Ksp, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

CH 223: A Video Introduction to the Class Presentations

This video offers a few tips and tricks on how to prepare for Class Presentations in CH 223.

050323 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 3, 2023.

This video covers day 3 of an exam review for the upcoming midterm exam I in CH 223.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

050123 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from May 1, 2023.

This video covers day 2 of an exam review for the upcoming midterm exam I in CH 223.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

042823 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 28, 2023.

This video covers day 1 of an exam review for the upcoming midterm exam I in CH 223.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Exam I Review - Complete Lecture

This the Complete Lecture for the Exam I Review of CH 223.

CH 223: A Video Introduction to Midterm Exam I

This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 223.

042623 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 26, 2023.

This video covers material from Chapter 14 Part 2 including the titration calculations for WA+SB, WB+SA, polyprotic acids, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

042423 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 24, 2023.

This video covers material from Chapter 14 Part 2 including the titration calculations for SA+SB, SB+SA, an intro to WA+SB and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

042123 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 21, 2023.

This video covers material from Chapter 14 Part 2 including the Henderson-Hasselbalch equation, creating a buffer, an introduction to titrations, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Chapter 14b Complete Lecture - Part II

This the Complete Lecture for Chapter 14b (Chapter 14 Part II). This episode is part 2 of 2 episodes.

Chapter 14b Complete Lecture - Part I

This the Complete Lecture for Chapter 14b (Chapter 14 Part II). This episode is part 1 of 2 episodes.

Chapter 14 Screencast - Titration Calculations: Weak Acid + Strong Base and Weak Base + Strong Acid

A screencast from Chapter 14 in CH 223 which examines the steps necessary when calculating the pH of points along a WA+SB and WB+SA titration.

Chapter 14 Screencast - Titration Calculations: Strong Acid + Strong Base and Strong Base + Strong Acid

A screencast from Chapter 14 in CH 223 which examines the steps necessary when calculating the pH of points along a SA+SB and SB+SA titration.

Chapter 14 Screencast - An Introduction to Titration Calculations

A screencast from Chapter 14 in CH 223 which looks at the calculations used to apply to titrations.

Chapter 14 Screencast - The Henderson-Hasselbalch Equation

A screencast from Chapter 14 in CH 223 which introduces the Henderson-Hasselbalch equation, which is arguably the most important equation of CH 223.

Chapter 14 Screencast - Buffers

A screencast from Chapter 14 in CH 223 which discusses buffers, solutions which resist changes in pH, and how to utilize them in the laboratory.

Chapter 14 - The Common Ion Effect

A screencast from Chapter 14 in CH 223 which introduces the Common Ion Effect, a special application of Le Chatelier's Principle.

Chapter 14 - An Introduction to Titrations

A screencast from Chapter 14 in CH 223 which introduces titrations, especially for titrations with strong acids and/or strong bases.

CH 223: A Video Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Fourteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Fourteen in our textbook) for Chemistry 223.

041923 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 19, 2023.

This video covers material from Chapter 14 Part 2 including calculating the pH of a buffer using the Common Ion Effect, the Henderson-Hasselbalch equation, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

041723 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 17, 2023.

This video covers material from Chapter 14 Part 1 and Chapter 14 Part 2 including complex ion, formation constants, an introduction to buffers and titrations, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

Chapter 14a Complete Lecture - Part II

This the Complete Lecture for Chapter 14a (Chapter 14 Part I). This episode is part 2 of 2 episodes.

Chapter 14a Complete Lecture - Part I

This the Complete Lecture for Chapter 14a (Chapter 14 Part I). This episode is part 1 of 2 episodes.

Chapter 15 Screencast - Lewis Acids and Bases

A screencast from Chapter 15 in CH 223 which discusses the Lewis acid and base theory, a powerful tool for upcoming chapters.

Chapter 14 Screencast - Equilibrium Concentrations with Weak Acids or Weak Bases

A screencast from Chapter 14 in CH 223 which looks at methods used to calculate the concentrations of species in solution when weak acids and bases are present.

Chapter 14 Screencast - Ka, Kb and Acid/Base Strength

A screencast from Chapter 14 in CH 223 which looks at the relation between the equilibrium constants (Ka and Kb) and the strength of an acid/base system.

Chapter 14 Screencast - Measuring Acid and Base Concentrations / the pH Scale

A screencast from Chapter 14 in CH 223 which discusses methods used to measure the concentration of acids and bases in solutions as well as an overview of the pH scale.

Chapter 14 Screencast - An Introduction to Acids and Bases

A screencast from Chapter 14 in CH 223 which introduces the Bronsted-Lowry theory of acid and bases and also introduces the idea of an acid and base.

CH 223: A Video Introduction to Chapter Guide Two

This is the video introduction to Chapter Guide Lesson Two (which covers Chapter Fourteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide Two

This is the audio introduction to Chapter Guide Lesson Two (which covers Chapter Fourteen in our textbook) for Chemistry 223.

041423 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 14, 2023.

This video covers material from Chapter 14 Part 1 including calculations with Ka and Kb, pH effects on salts, Lewis acids and bases, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

041223 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 12, 2023.

This video covers material from Chapter 14 Part 1 including Ka and Kb for weak acid and base systems, pKa and pKa, the effect of acids and bases together, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

041023 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 10, 2023.

This video covers material from Chapter 14 Part 1 including Bronsted acid and base theory, Kw, pH, strong and weak acids and bases,, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

040723 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 7, 2023.

This video covers material from Chapter 13 and Chapter 14 Part 1 including Le Chatelier's Principle, strong and weak acids (and bases), and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

040523 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 5, 2023.

This video covers material from Chapter 13 including manipulating equilibrium expressions, Q and K, the meaning of K, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

040323 Chemistry 223 Video Lecture

Chemistry 223 Video Lecture from April 3, 2023.

This video covers material from Chapter 13 including equilibrium, the equilibrium constant, ICE tables, and more.

CH 223 website: http://mhchem.org/223

Let me know if you have any questions! Peace!

A Video Welcome to the Spring 2023 Chemistry 223 Class!

Greetings to the Spring 2023 Chemistry 223 class! This is a personal message from your instructor, Dr. Michael Russell.... welcome to this exciting term, and let me know if you have any questions!

The best method to get in touch with me is through email: mike.russell@mhcc.edu

Our CH 223 website: https://mhchem.org/223

The MHCC Bookstore (where you can purchase the CH 223 Companion): https://mhcc.textbookx.com/

I'm looking forward to having you in my classroom! Peace!

Chapter 13 Complete Lecture - Part II

This the Complete Lecture for Chapter 13. This episode is part 2 of 2 episodes.

Chapter 13 Complete Lecture - Part I

This the Complete Lecture for Chapter 13. This episode is part 1 of 2 episodes.

Chapter 13 Screencast - Le Chatelier's Principle

A screencast from Chapter 13 in CH 223 that gives examples of Le Chatelier's Principle, an important idea for this chapter and the rest of the quarter as well.

Chapter 13 Screencast - Using the K Value to Calculate Equilibrium Constants

A screencast from Chapter 13 in CH 223 which shows how an equilibrium constant can be obtained using the quadratic formula and other methods.

Chapter 13 Screencast - Understanding the Value of K (and Q)

A screencast from Chapter 13 in CH 223 which discusses the meaning of the K (and related Q) value in terms of its product- or reactant-favored status.

Chapter 13 Screencast - Manipulating the Equilibrium Constant

A screencast from Chapter 13 in CH 223 which provides examples of how the equilibrium constant can be manipulated to represent different reactions and stoichiometries.

Chapter 13 Screencast - Using the Equilibrium Constant

A screencast from Chapter 13 in CH 223 which demonstrates some of the ways an equilibrium constant can be used in chemistry.

Chapter 13 Screencast - An Introduction to Equilibrium

A screencast from Chapter 13 in CH 223 which introduces the idea of the equilibrium constant in chemistry.

CH 223: A Video Introduction to Chapter Guide One

This is the video introduction to Chapter Guide Lesson One (which covers Chapter Thirteen in our textbook) for Chemistry 223.

CH 223: An Audio Introduction to Chapter Guide One

This is the audio introduction to Chapter Guide Lesson One (which covers Chapter Thirteen in our textbook) for Chemistry 223.

031723 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 17, 2023.

This video covers material for an exam review for the coming lecture final. We also had two student presentations to start the lecture.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

CH 222 Final Exam Review Session Complete Lecture

This video shows the Complete Lecture for the Final Exam Review in CH 222.

CH 222: A Video Introduction to the Final Exams

This video offers a few tips and tricks on how to prepare for lecture final exam and the lab final exam in CH 222.

031523 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 15, 2023.

This video covers material from Chapter 21 of our textbook including nuclear binding energy, fusion, fission, nuclear medicine, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

031323 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 13, 2023.

This video covers material from Chapter 21 of our textbook including types of nuclear chemistry 'particles', balancing nuclear reactions, nuclear binding energy, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

031023 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 10, 2023.

This video covers material from Chapter 12 and Chapter 21 of our textbook including the Arrhenius equation, catalysts, types of nuclear chemistry 'particles', and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Chapter 21 Complete Lecture - Part II

This the Complete Lecture for Chapter 21. This episode is part 2 of 2 episodes.

Chapter 21 Complete Lecture - Part I

This the Complete Lecture for Chapter 21. This episode is part 1 of 2 episodes.

Chapter 12 Complete Lecture - Part II

This the Complete Lecture for Chapter 12. This episode is part 2 of 2 episodes.

Chapter 12 Complete Lecture - Part I

This the Complete Lecture for Chapter 12. This episode is part 1 of 2 episodes.

Chapter 21 Screencast - Nuclear Stability

A screencast from Chapter 21 in CH 222 which discusses the idea of nuclear stability - i.e. why some nuclei are stable and why some decompose over time.

Chapter 21 Screencast - Balancing Nuclear Reactions

A screencast from Chapter 21 in CH 222 which investigates methods used to balance nuclear reactions.

Chapter 21 Screencast - An Introduction to Nuclear Reactivity

A screencast from Chapter 21 in CH 222 which introduces the idea of nuclear reactivity and how it differs from past chapters.

Chapter 12 Screencast - Catalysts

A screencast from Chapter 12 in CH 222 which discusses the use of catalysts in reactions.

Chapter 12 Screencast - Mechanisms

A screencast from Chapter 12 in CH 222 which examines the mechanism for a reaction and what they can mean to the chemist.

Chapter 12 Screencast - Energy of Activation

A screencast from Chapter 12 in CH 222 which looks at the energy of activation for a reaction.

Chapter 12 Screencast - Half Life

A screencast from Chapter 12 in CH 222 which discusses half life (and even another method to find the value of k in a reaction.)

Chapter 12 Screencast - Finding the Value of k

A screencast from Chapter 12 in CH 222 which looks at methods to find the value of the rate constant, k.

Chapter 12 Screencast - The Rate Law

A screencast from Chapter 12 in CH 222 which examines the rate law, an equation to find the factors which affect the rate of a reaction.

Chapter 12 Screencast - An Introduction to Kinetics

A screencast from Chapter 12 in CH 222 which discusses the nature of kinetics, especially with relation to thermodynamics.

CH 222: A Video Introduction to Chapter Guide Six

This is the video introduction to Chapter Guide Lesson Six (which covers Chapters Twelve and Twenty-one in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Six

This is the audio introduction to Chapter Guide Lesson Six (which covers Chapters Twelve and Twenty-one in our textbook) for Chemistry 222.

030823 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 8, 2023.

This video covers material from Chapter 12 of our textbook including the integrated first order rate law, half life, mechanisms, reaction diagrams, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

030623 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 6, 2023.

This video covers material from Chapter 12 of our textbook including rates, the rate law, orders of reaction, the integrated first order rate law, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

030323 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 3, 2023.

This video covers a (rushed!) review for the second midterm exam.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

CH 222: A Video Introduction to the Class Presentations

This video offers a few tips and tricks on how to prepare for Class Presentations in CH 222.

030123 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from March 1, 2023.

This video covers material from Chapter 11 of our textbook including osmosis and a beginning review for the second midterm exam, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Exam II Review Session Complete Lecture

This video shows the Complete Lecture for the Exam II Review in CH 222.

CH 222: A Video Introduction to Midterm Exam II

This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 222.

022223 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 22, 2023.

This video covers material from Chapter 11 of our textbook including vapor pressure lowering, boiling point elevation, freezing point lowering, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

022023 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 20, 2023.

This video covers material from Chapter 11 of our textbook including an introduction to solutions, solubility, Henry's Law, molality, mole fraction, weight percent, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

021723 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 17, 2023.

This video covers material from Chapter 10 of our textbook including energy changes with phase and temperature; phase diagrams, an introduction to crystalline solids, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Chapter 11 Complete Lecture - Part II

This the Complete Lecture for Chapter 11. This episode is part 2 of 2 episodes.

Chapter 11 Complete Lecture - Part I

This the Complete Lecture for Chapter 11. This episode is part 1 of 2 episodes.

Chapter 10 Complete Lecture - Part II

This the Complete Lecture for Chapter 10. This episode is part 2 of 2 episodes.

Chapter 10 Complete Lecture - Part I

This the Complete Lecture for Chapter 10. This episode is part 1 of 2 episodes.

Chapter 11 Screencast - Osmosis and Osmotic Pressure

A screencast from Chapter 11 in CH 222 which examines osmosis and osmotic pressure in solutions.

Chapter 11 Screencast - Boiling Point Elevation and Freezing Point Depression

A screencast from Chapter 11 in CH 222 which discusses boiling point elevation and freezing point depression for solutions.

Chapter 11 Screencast - Henry's Law and Raoult's Law

A screencast from Chapter 11 in CH 222 which looks at Henry's Law and Raoult's Law.

Chapter 11 Screencast - Solution Concentrations and Calculations

A screencast from Chapter 11 in CH 222 which examines calculations based on solutions.

Chapter 11 Screencast - An Introduction to Solutions

A screencast from Chapter 11 in CH 222 which introduces solutions and their properties.

Chapter 10 Screencast - Calculations Relating to Solids

A screencast from Chapter 10 in CH 222 which discusses calculations relating to solid compounds.

Chapter 10 Screencast - An Introduction to Solids

A screencast from Chapter 10 in CH 222 which introduces solids.

Chapter 10 Screencast - Phase Diagrams

A screencast from Chapter 10 in CH 222 which looks at phase diagrams.

Chapter 10 Screencast - Heat Transfer with Phase Change

A screencast from Chapter 10 in CH 222 which looks at how to calculate energy transfer amounts when phase changes are involved.

Chapter 10 Screencast - Surface Tension, Capillary Action and Viscosity

A screencast from Chapter 10 in CH 222 which examines surface tension, capillary action and viscosity.

Chapter 10 Screencast - Boiling Liquids

A screencast from Chapter 10 in CH 222 which discusses boiling liquids and the relation to vapor pressure.

Chapter 10 Screencast - Liquids

A screencast from Chapter 10 in CH 222 which examines liquids and their properties.

CH 222: A Video Introduction to Chapter Guide Five

This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Ten and Eleven in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Five

This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Ten and Eleven in our textbook) for Chemistry 222.

021523 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 15, 2023.

This video covers material from Chapter 10 of our textbook including a discussion of liquids, vapor pressure, normal boiling points, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

021323 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 13, 2023.

This video covers material from Chapter 10 of our textbook types of intermolecular forces, the strengths of IM forces, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

021023 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 10, 2023.

This video covers material from Chapter 9 of our textbook including PM = dRT, the KMT and gases, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Chapter 10 Complete Lecture - Part I

This the Complete Lecture for Chapter 10. This episode is part 1 of 2 episodes.

Chapter 9 Complete Lecture - Part II

This the Complete Lecture for Chapter 9. This episode is part 2 of 2 episodes.

Chapter 9 Complete Lecture - Part I

This the Complete Lecture for Chapter 9. This episode is part 1 of 2 episodes.

Chapter 10 Screencast - Intermolecular Forces: Dipole-Induced Dipole and Induced Dipole-Induced Dipole

A screencast from Chapter 10 in CH 222 which looks at the weakest but important intermolecular forces, specifically dipole-induced dipole and induced dipole-induced dipole.

Chapter 10 Screencast - Intermolecular Forces: Dipole-Dipole and Hydrogen Bonds

A screencast from Chapter 10 in CH 222 which looks at the more intermolecular forces, namely dipole-dipole and the (very important!) hydrogen bonding forces.

Chapter 10 Screencast - Intermolecular Forces: An Introduction and Ion-Dipole

A screencast from Chapter 10 in CH 222 which introduces intermolecular (IM) forces and talks about the ion-dipole IM force.

Chapter 9 Screencast - Diffusion and Effusion

A screencast from Chapter 9 in CH 222 which discuses diffusion and effusion with respect to gases.

Chapter 9 Screencast - Gases and the Kinetic Molecular Theory (KMT)

A screencast from Chapter 9 in CH 222 which examines how the kinetic molecular theory helps explain the behavior of gases.

Chapter 9 Screencast - PM = dRT

A screencast from Chapter 9 in CH 222 that examines PM = dRT, an equation which relates the density of a gas to the molar mass of the gas.

Chapter 9 Screencast - The Ideal Gas Law (PV = nRT)

A screencast from Chapter 9 in CH 222 which examines the ideal gas law, the most important equation of this chapter. Make sure you memorize the value of R!

Chapter 9 Screencast - Boyle's Law and Charles's Law

A screencast from Chapter 9 in CH 222 which looks at the relationships between the properties of gases, specifically Boyle's Law and Charles's Laws.

Chapter 9 Screencast - An Introduction to Pressure

A screencast from Chapter 9 in CH 222 which looks at pressure and units used to definite its intensity.

CH 222: A Video Introduction to Chapter Guide Four

This is the video introduction to Chapter Guide Lesson Four (which covers Chapters Nine and Ten in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Four

This is the audio introduction to Chapter Guide Lesson Four (which covers Chapters Nine and Ten in our textbook) for Chemistry 222.

020823 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 8, 2023.

This video covers material from Chapter 9 of our textbook including pressure, gases and the KMT, the ideal gas law, the gas constant R, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

020623 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 6, 2023.

This video covers day 2 of an exam review for the upcoming midterm exam I.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

020323 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 3, 2023.

This video covers day 1 of an exam review for the upcoming midterm exam I.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Exam I Review Session Complete Lecture

This video shows the Complete Lecture for the Exam I Review in CH 222.

CH 222: A Video Introduction to Midterm Exam I

This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 222.

020123 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from February 1, 2023.

This video covers material from Chapter 20 of our textbook including carboxylic acids, amines, esters, amides, organic reactions, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

013023 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 30, 2023.

This video covers material from Chapter 20 of our textbook including alcohols, ethers, ketones, aldehydes, alkynes, alkenes, aromatics (benzene), and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

012723 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 27, 2023.

This video covers material from Chapter 20 of our textbook including alkanes and isomers, cycloalkanes, alkyl halides, alcohols, ethers, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Chapter 20 Complete Lecture - Part II

This the Complete Lecture for Chapter 20. This episode is part 2 of 2 episodes.

Chapter 20 Complete Lecture - Part I

This the Complete Lecture for Chapter 20. This episode is part 1 of 2 episodes.

Chapter 20 Screencast - Organic Chemistry - An Introduction to Organic Reactions

A screencast from Chapter 20 in CH 222 which shows a few examples of organic chemistry reactions.

Chapter 20 Screencast - Organic Chemistry - Nomenclature Self-Quiz

A screencast from Chapter 20 in CH 222 which provides a self-quiz for organic nomenclature. Try it! It's just for fun, maybe it will help you learn this week's material? :) https://mhchem.org/222/classroom/zAudio/Ch11OChemQuiz.mp4

Chapter 20 Screencast - Organic Chemistry - Carboxylic Acids and Amines

A screencast from Chapter 20 in CH 222 which briefly examines carboxylic acids and amines.

Chapter 20 Screencast - Organic Chemistry - Aromatic Compounds

A screencast from Chapter 20 in CH 222 which looks at aromatic compounds in chemistry.

Chapter 20 Screencast - Organic Chemistry - Ethers, Ketones, Aldehydes, Alkynes and Alkenes

A screencast from Chapter 20 in CH 222 which talks about ethers, ketones, aldehydes, alkynes and alkenes.

Chapter 20 Screencast - Organic Chemistry - Alcohols

A screencast from Chapter 20 in CH 222 which discusses the alcohol family.

Chapter 20 Screencast - Organic Chemistry - Isomers and Alkanes, Cycloalkanes and Alkyl Halides

A screencast from Chapter 20 in CH 222 which discusses isomerism, especially with relation to alkanes, cycloalkanes and alkyl halides.

Chapter 20 Screencast - An Introduction to Organic Chemistry - Alkanes

A screencast from Chapter 20 in CH 222 which introduces organic chemistry, alkyl groups and alkanes.

CH 222: A Video Introduction to Chapter Guide Three

This is the video introduction to Chapter Guide Lesson Three (which covers Chapter Twenty in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Twenty in our textbook) for Chemistry 222.

012523 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 25, 2023.

This video covers material from Chapter 8 and Chapter 20 of our textbook including molecular orbital theory applications, an introduction to organic chemistry, the alkyl groups, alkanes, isomers, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

012323 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 23, 2023.

This video covers material from Chapter 8 of our textbook including molecular orbital theory, bond order in MO, magnetism in MO, ions in MO, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

012023 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 20, 2023.

This video covers material from Chapter 8 of our textbook including hybridization, pi bonds, an introduction to molecular orbital theory, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

Chapter 8 Complete Lecture - Part II

This the Complete Lecture for Chapter 8. This episode is part 2 of 2 episodes.

Chapter 8 Complete Lecture - Part I

This the Complete Lecture for Chapter 8. This episode is part 1 of 2 episodes.

Chapter 8 Screencast - Molecular Orbital Theory Ions and Paramagnetism

A screencast from Chapter 8 in CH 222 which discusses how ions and paramagnetism are accounted for in molecular orbital theory.

Chapter 8 Screencast - Molecular Orbital Theory and Pi Bonds

A screencast from Chapter 8 in CH 222 which looks at multiple (pi) bonds as seen through molecular orbital theory.

Chapter 8 Screencast - Molecular Orbital Theory and Examples

A screencast from Chapter 8 in CH 222 which examines molecular orbital theory using some simple examples.

Chapter 8 Screencast - An Introduction to Molecular Orbital Theory

A screencast from Chapter 8 in CH 222 which introduces molecular orbital theory.

Chapter 8 Screencast - Multiple Bonds in Valence Bond Theory

A screencast from Chapter 8 in CH 222 which examines multiple (pi) bonds in valence bond theory.

Chapter 8 Screencast - Valence Bond Theory - Methane

A screencast from Chapter 8 in CH 222 which further examines valence bond theory using the example of methane.

Chapter 8 Screencast - An Introduction to Valence Bond Theory - Boron Trifluoride

A screencast from Chapter 8 in CH 222 which examines valence bond theory closer using the example of boron trifluoride.

Chapter 8 Screencast - An Introduction to Two Bonding Theories

A screencast from Chapter 8 in CH 222 which introduces the two main bonding theories used in chemistry, namely valence bond theory and molecular orbital theory.

CH 222: A Video Introduction to Chapter Guide Two

This is the video introduction to Chapter Guide Lesson Two (which covers Chapter Eight in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide Two

This is the audio introduction to Chapter Guide Lesson Two (which covers Chapter Eight in our textbook) for Chemistry 222.

011823 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 18, 2023.

This video covers material from Chapter 7 and Chapter 8 of our textbook including polarity, electronegativity, valence bond theory, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

011323 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 13, 2023.

This video covers material from Chapter 7 of our textbook including VSEPR, EPG and MG, bond order, bond enthalpy, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

011123 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 11, 2023.

This video covers material from Chapter 7 of our textbook including a deeper look at Lewis structures, resonance forms and pi bonds, formal charges, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

010923 Chemistry 222 Video Lecture

Chemistry 222 Video Lecture from January 9, 2023.

This video covers material from Chapter 7 of our textbook including an overview of bonding in chemistry, valence and core electrons, the Lewis structure, and more.

CH 222 website: http://mhchem.org/222

Let me know if you have any questions! Peace!

A Video Welcome to the Winter 2023 Chemistry 222 Class!

Greetings to the Winter 2023 Chemistry 222 class! This is a personal message from your instructor, Dr. Michael Russell.... welcome to this exciting term, and let me know if you have any questions!

The best method to get in touch with me is through email: mike.russell@mhcc.edu

Our CH 222 website: https://mhchem.org/222

The daily COVID questionnaire (which should be completed if you plan on visiting the MHCC campus in person): http://mhcc.edu/covid

I'm looking forward to having you in my classroom! Peace!

Chapter 7 Complete Lecture - Part 2

This the Complete Lecture for Chapter 7. This episode is part 2 of 2 episodes.

Chapter 7 Complete Lecture - Part I

This the Complete Lecture for Chapter 7. This episode is part 1 of 2 episodes.

Chapter 7 Screencast - Molecular Polarity

A screencast from Chapter 7 in CH 222 which investigates the polarity of a molecule using the polarities of individual bonds.

Chapter 7 Screencast - Bond Polarity and Electronegativity

A screencast from Chapter 7 in CH 222 which looks at the effect of electronegativity on bond polarity.

Chapter 7 Screencast - Bond Energy

A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond energy (and bond length as well).

Chapter 7 Screencast - Bond Order and Bond Length

A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond length.

Chapter 7 Screencast - VSEPR Theory

A screencast from Chapter 7 in CH 222 which looks at VSEPR theory and how it can help us determine bond angles, etc.

Chapter 7 Screencast - Formal Charges

A screencast from Chapter 7 in CH 222 which discuses Formal charges and how they help us predict the most stable resonance form.

Chapter 7 Screencast - Lewis Structures and Pi Bonds

A screencast from Chapter 7 in CH 222 which looks at pi bonds in Lewis structures.

Chapter 7 Screencast - An Introduction to Lewis Structures

A screencast from Chapter 7 in CH 222 which discusses Lewis structures and their usefulness in chemistry.

Chapter 7 Screencast - Bonding Pairs and Lone Pairs

A screencast from Chapter 7 in CH 222 which looks at bonding pairs and lone pairs in chemistry.

Chapter 7 Screencast - An Overview of Bonding in Chemistry

A screencast from Chapter 7 in CH 222 which provides an overview of the two main bonding types (ionic and covalent) in chemistry.

CH 222: A Video Introduction to Chapter Guide One

This is the video introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.

CH 222: An Audio Introduction to Chapter Guide One

This is the audio introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.

120922 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from December 9, 2022.

This video covers an exam review for the CH 221 Lecture Final. The complete video for the review of the lecture final may be found here: http://mhchem.org/w/g.htm

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Final Exam Review - Complete Lecture

This the Final Exam Review Complete Lecture (Part 1 of 1 files.)

CH 221 - A Video Introduction to the Final Exams

This video offers a few tips and tricks on how to prepare for the lecture final exam and the lab final exam in CH 221.

120722 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from December 7, 2022.

This video covers material from Chapter 6 Part II of our textbook including periodic trends, and also some review for the CH 221 Lecture Final, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

120522 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from December 5, 2022.

This video covers material from Chapter 6 Part II of our textbook including electron configurations for atoms and ions, periodic trends,, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

120222 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from December 2, 2022.

This video covers material from Chapter 6 Part I and Chapter 6 Part II of our textbook including the spin quantum number, para- and diamagnetism, the n+l rule, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Chapter 6 Part II Complete Lecture - Part II

This the Complete Lecture for Chapter 6 Part II. This episode is part 2 of 2 episodes.

Chapter 6 Part II Complete Lecture - Part I

This the Complete Lecture for Chapter 6 Part II. This episode is part 1 of 2 episodes.

Chapter 6 Part I Complete Lecture - Part II

This the Complete Lecture for Chapter 6 Part I. This episode is part 2 of 2 episodes.

Chapter 6 Part I Complete Lecture - Part I

This the Complete Lecture for Chapter 6 Part I. This episode is part 1 of 2 episodes.

Chapter 6 Screencast - Ionization Energy and Electron Affinity

A screencast from Chapter 6 in CH 221 which looks at Ionization Energy and Electron Affinity trends using the periodic table.

Chapter 6 Screencast - Size of Atoms and Ions

A screencast from Chapter 6 in CH 221 which talks about methods to estimate the sizes of atoms and ions using the periodic table.

Chapter 6 Screencast - Electron Configurations for Ions

A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to ions.

Chapter 6 Screencast - Electron Configurations for Atoms

A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to atoms.

Chapter 6 Screencast - Electron Filling Order (the n + l rule)

A screencast from Chapter 6 in CH 221 that looks at the n + l rule, which governs the placement of electrons in atoms.

Chapter 6 Screencast - Distributing Electrons in Atoms

A screencast from Chapter 6 in CH 221 which examines how electrons are assigned to atoms.

Chapter 6 Screencast - The Spin Quantum Number

A screencast from Chapter 6 in CH 221 which looks at the fourth quantum number, the spin quantum number.

Chapter 6 Screencast - Types of Orbitals

A screencast from Chapter 6 in CH 221 which looks at the types of orbitals found in atoms and how that affects electron composition.

Chapter 6 Screencast - An Introduction to Quantum Numbers

A screencast from Chapter 6 in CH 221 which introduces quantum mechanics and the quantum numbers.

Chapter 6 Screencast - de Broglie, Schrodinger and Heisenberg

A screencast from Chapter 6 in CH 221 which introduces three of the great minds of quantum chemistry and how their work affects the current model of the atom.

Chapter 6 Screencast - Bohr's Theory

A screencast from Chapter 6 in CH 221 that talks about Bohr's theory in greater detail, including its strengths and disadvantages.

Chapter 6 Screencast - Bohr and Sharp Line Spectra

A screencast from Chapter 6 in CH 221 which looks at Bohr's analysis of sharp line spectra and how it helped develop the modern theory of the atom.

Chapter 6 Screencast - Energy and Planck's Constant

A screencast from Chapter 6 in CH 221 which examines Planck's equation relating the energy of a photon to the frequency.

Chapter 6 Screencast - More on Electromagnetic Radiation

A screencast from Chapter 6 in CH 221 which examines the relationship between frequency and wavelength (namely the speed of light).

Chapter 6 Screencast - An Introduction to Electromagnetic Radiation

A screencast from Chapter 6 in CH 221 which introduces electromagnetic radiation (wavelength, frequency, node, etc.)

CH 221: A Video Introduction to Chapter Guide Six

This is the video introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Six

This is the audio introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.

113022 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 30, 2022.

This video covers material from Chapter 6 Part I of our textbook including the quantum numbers, nl notation, types of orbitals, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

112822 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 28, 2022.

This video covers material from Chapter 6 Part I of our textbook including the Bohr model, the Heisenberg Uncertainty Principle, the de Broglie wave equation, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

112122 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 21, 2022.

This video covers material from Chapter 6 Part I of our textbook including wavelength, frequency, the speed of light, Planck's constant, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

CH 221 - A Video Introduction to the Class Presentations

This video offers a few tips and tricks on how to prepare for Class Presentations in CH 221.

111822 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 18, 2022.

This video covers material from an Exam Review for midterm exam II.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

111622 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 16, 2022.

This video covers material from an Exam Review for midterm exam II.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

111422 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 14, 2022.

This video covers material from Chapter 5 of our textbook (including an example of a bomb calorimetry problem) and also begins an Exam Review for midterm exam II.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Exam II Review Session Complete Lecture

This video shows the Complete Lecture for the Exam II Review in CH 221.

CH 221 - A Video Introduction to Midterm Exam II

This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 221.

110922 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 9, 2022.

This video covers material from Chapter 5 of our textbook including heat transfer with a change in phase; Hess's Law; delH and reactions; heats of formation; and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

110722 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 7, 2022.

This video covers material from Chapter 5 of our textbook including thermodynamics and kinetics; system and surroundings; exothermic and endothermic; the first law of thermodynamics; q = mCdelT, and more.

Note that this video file has a bit of corruption in the middle, so a scene went missing... darn technology! lol

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

110422 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 4, 2022.

This video covers material from Chapter 4 Part II of our textbook including redox reactions, molarity, titrations, the pH scale, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Chapter 5 Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 5. This episode is part 2 of 2 episodes.

Chapter 5 Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 5. This episode is part 1 of 2 episodes.

Chapter 4 Part II Complete Lecture - Part 2 of 2 (repeated for Week 7)

This the Complete Lecture for Chapter 4 Part II. This episode is part 2 of 2 episodes.

Chapter 4 Part II Complete Lecture - Part I of 2 (repeated for Week 7)

This the Complete Lecture for Chapter 4 Part II. This episode is part 1 of 2 episodes.

Chapter 5 Screencast - Heats of Formation II

A screencast from Chapter 5 in CH 221 which continues to look at the utility of heats of formation for reactions.

Chapter 5 Screencast - Heats of Formation I

A screencast from Chapter 5 in CH 221 which looks at heat of formation values and Hess's Law.

Chapter 5 Screencast - Enthalpy & Hess's Law

A screencast from Chapter 5 in CH 221 which introduces enthalpy, (del)H, Hess's Law and how they can assist the chemist.

Chapter 5 Screencast - Calculating Energy With Changes of State

A screencast from Chapter 5 in CH 221 which examines energy changes with a change of state.

Chapter 5 Screencast - Calculating Energy With No Changes of State (q = mC(del)T)

A screencast from Chapter 5 in CH 221 which looks at energy changes with no change of state - the q = mC(del)T equation

Chapter 5 Screencast - Thermodynamics

A screencast from Chapter 5 in CH 221 that introduces Thermodynamics, the science of energy transfer.

Chapter 5 Screencast - An Introduction to Energy

A screencast from Chapter 5 in CH 221 which introduces energy from a chemistry perspective.

Chapter 4 Screencast - Titrations

A screencast from Chapter 4 in CH 221 that examines titrations and their usefulness.

Chapter 4 Screencast - The pH Scale / Solution Stoichiometry

A screencast from Chapter 4 in CH 221 which examines the pH scale and solution stoichiometry.

Chapter 3 Screencast - Preparing Solutions Through Dilution

A screencast from Chapter 3 in CH 221 which examines how solutions can be prepared from dilution methods.

Chapter 3 Screencast - An Introduction to Molarity

A screencast from Chapter 3 in CH 221 that introduces molarity and solution concentration.

Chapter 4 Screencast - Recognizing Redox Reactions

A screencast from Chapter 4 in CH 221 which offers tips on recognizing redox reactions.

Chapter 4 Screencast - Oxidation Numbers

A screencast from Chapter 4 in CH 221 which looks at oxidation numbers and their use in redox reactions.

Chapter 4 Screencast - An Introduction to Redox Reactions

A screencast from Chapter 4 in CH 221 that introduces redox reactions as well as oxidation and reduction.

CH 221: A Video Introduction to Chapter Guide Five

This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Five

This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.

110222 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from November 2, 2022.

This video covers material from Chapter 4 Part II of our textbook including electrolytes, acids and bases, net ionic reactions, types of reactions, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

103122 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 31, 2022.

This video covers material from Chapter 4 Part I and Chapter 4 Part II of our textbook including limiting reactants, hydrocarbon formulas, solubility, solutions, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

102822 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 28, 2022.

This video covers material from Chapter 4 Part I of our textbook including balancing chemical reactions, theoretical yields, percent yields, an introduction to limiting reactants, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Chapter 4 Part I Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 4 Part 1. This episode is part 2 of 2 episodes.

Chapter 4 Part I Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 4 Part 1. This episode is part 1 of 2 episodes.

Chapter 3 Screencast - Acids and Bases

A screencast from Chapter 3 in CH 221 which examines acids and bases in greater detail.

Chapter 4 Screencast - Acid/Base, Gas-Forming and Combustion Reactions

A screencast from Chapter 4 in CH 221 that looks at more reaction types: acid/base, gas-forming and combustion reactions.

Chapter 4 Screencast - Net Ionic Reactions and Precipitation Reactions

A screencast from Chapter 4 in CH 221 that looks at net ionic reactions - the "action of the reaction" - as well as precipitation reactions.

Chapter 3 Screencast - An Introduction to Solutions

A screencast from Chapter 3 in CH 221 which introduces solutions in chemistry.

Chapter 4 Screencast - Empirical Formulas of Hydrocarbons with Oxygen

A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons containing oxygen through combustion analysis.

Chapter 4 Screencast - Empirical Formulas of Hydrocarbons Through Combustion

A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons through combustion analysis.

Chapter 4 Screencast - Limiting Reactants

A screencast from Chapter 4 in CH 221 which discusses limiting reactants and their meaning in chemistry.

Chapter 4 Screencast - Theoretical and Actual Yields

A screencast from Chapter 4 in CH 221 which looks at theoretical and actual yields (and percent yield as well!)

Chapter 4 Screencast - Balancing Chemical Reactions

A screencast from Chapter 4 in CH 221 which discusses techniques used to balance chemical reactions.

Chapter 4 Screencast - The Chemical Reaction

A screencast from Chapter 4 in CH 221 which looks at the chemical reaction and the features of them.

CH 221: A Video Introduction to Chapter Guide Four

This is the video introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Four

This is the audio introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.

102622 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 26, 2022.

This video covers day 3 of a review for the upcoming first midterm exam in CH 221. This video also covers material from Chapter 4 Part I of our textbook including an introduction to the chemical reactions, states of matter, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

102422 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 24, 2022.

This video covers day 2 of a review for the upcoming first midterm exam in CH 221.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

102122 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 21, 2022.

This video covers day 1 of a review for the upcoming first midterm exam in CH 221.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Exam I Review Session Complete Lecture

This video shows the Complete Lecture for the Exam I Review in CH 221.

CH 221 - A Video Introduction to Midterm Exam I

This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 221.

101922 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 19, 2022.

This video covers material from Chapter 2 Part II of our textbook including empirical and molecular formulas (the complete version), a quick introduction to Midterm Exam I, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

101722 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 17, 2022.

This video covers material from Chapter 2 Part II of our textbook including molar mass for compounds, empirical and molecular formulas, percent by mass, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

101422 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 14, 2022.

This video covers material from Chapter 2 Part II of our textbook including ionic formulas, covalent formulas, nomenclature, acids, bases, hydrated compounds,, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Chapter 2 Part II Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 2 Part 2. This episode is part 2 of 2 episodes.

Chapter 2 Part II Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 2 Part 2. This episode is part 1 of 2 episodes.

Chapter 2 Part 2 Screencast - Empirical Formula and Molecular Formula

A screencast from Chapter 2 Part 2 in CH 221 which looks at the relationship between empirical and molecular formulas when determining the identity of a compound.

Chapter 2 Part 2 Screencast - Percent Composition

A screencast from Chapter 2 Part 2 in CH 221 that examines percent composition and how it can lead to an empirical formula.

Chapter 2 Part 2 Screencast - Molar Mass

A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of molar mass and how it applies to compounds.

Chapter 2 Part 2 Screencast - Acids, Bases and Hydrates

A screencast from Chapter 2 Part 2 in CH 221 that looks at acids, bases and hydrated compounds (called hydrates.)

Chapter 2 Part 2 Screencast - Covalent Molecules

A screencast from Chapter 2 Part 2 in CH 221 that introduces covalent molecules and covalent bonding.

Chapter 2 Part 2 Screencast - Electrostatic Forces and Coulomb's Law

A screencast from Chapter 2 Part 2 in CH 221 that discusses electrostatic forces and Coulomb's Law as applied to ionic bonding.

Chapter 2 Part 2 Screencast - Making Ionic Compounds

A screencast from Chapter 2 Part 2 in CH 221 which examines the formation of ionic compounds.

Chapter 2 Part 2 Screencast - Polyatomic Ions Self Quiz

A screencast from Chapter 2 Part 2 in CH 221 that gives a sort of "self quiz" on polyatomic nomenclature. You can use the controls on your player to stop/start the quiz. https://mhchem.org/221/classroom/zAudio/Ch03PolyatomicQuiz.mp4

Chapter 2 Part 2 Screencast - Polyatomic Ions

A screencast from Chapter 2 Part 2 in CH 221 which examines polyatomic ions. Try to memorize as many of these as you can!

Chapter 2 Part 2 Screencast - Cations and Anions

A screencast from Chapter 2 Part 2 in CH 221 that examines cations and anions in ionic bonds.

Chapter 2 Part 2 Screencast - The Seven Diatomics

A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of allotropes of elements and the most important seven diatomics.

Chapter 2 Part 2 Screencast - Compounds and Molecules

A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of compounds and their smallest component, a molecule.

CH 221: A Video Introduction to Chapter Guide Three

This is the video introduction to Chapter Guide Lesson Three (which covers the second portion of Chapter Two in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Three

This is the audio introduction to Chapter Guide Lesson Three (which covers the second portion of Chapter Two in our textbook) for Chemistry 221.

101222 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 12, 2022.

This video covers material from Chapter 2 Part II of our textbook including types of formulas, the 7 diatomics, cations and anions, fixed charge and variable charge metals, polyatomic ions, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

101022 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 10, 2022.

This video covers material from Chapter 2 Part I and Chapter 2 Part II of our textbook including groups and periods on the periodic table, main group metals, transition metals and non metals, compound formulas, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

100722 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 7, 2022.

This video covers material from Chapter 2 Part I of our textbook including the atomic numbers and mass numbers, molar mass, the mole, Avogadro's number, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

Chapter 2 Part I Complete Lecture - Part 2 of 2

This the Complete Lecture for Chapter 2 Part 1. This episode is part 2 of 2 episodes.

Chapter 2 Part I Complete Lecture - Part I of 2

This the Complete Lecture for Chapter 2 Part 1. This episode is part 1 of 2 episodes.

Chapter 2 Part 1 Screencast - The Periodic Table

A screencast from Chapter 2 Part 1 in CH 221 which examines the periodic table, the most important cheat cheat ever created! *smiles* :)

Chapter 2 Part 1 Screencast - The Mole

A screencast from Chapter 2 Part 1 in CH 221 which introduces the mole, the important counting number for chemists.

Chapter 2 Part 1 Screencast - Isotopic Abundance

A screencast from Chapter 2 Part 1 in CH 221 which looks at isotopic abundance and methods to calculate it.

Chapter 2 Part 1 Screencast - The Atomic Number

A screencast from Chapter 2 Part 1 in CH 221 which looks at the atomic number and what it implies.

Chapter 2 Part 1 Screencast - The Atom

A screencast from Chapter 2 Part 1 in CH 221 which looks at the atom and what it is made of on an atomic level.

CH 221: A Video Introduction to Chapter Guide Two

This is the video introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide Two

This is the audio introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221.

100522 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 5, 2022.

This video covers material from Chapter 2 Part I of our textbook including the nature of the atom, the atomic number, radioactivity, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

100322 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from October 3, 2022.

This video covers material from Chapter 1 and Chapter 2 Part I of our textbook including significant figures, the definition of an atom, Democritus, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

093022 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from September 30, 2022.

This video covers material from Chapter 1 of our textbook including temperature scales, density, accuracy and precision, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

092822 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from September 28, 2022.

This video covers material from Chapter 1 of our textbook including the Kinetic Molecular Theory (KMT), physical and chemical changes and properties, the metric system, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

092622 Chemistry 221 Video Lecture

Chemistry 221 Video Lecture from September 26, 2022.

This video covers material from Chapter 1 of our textbook including a quick overview of the course, plus an introduction to "what chemistry is", the difference between elements and molecules, and more.

CH 221 website: http://mhchem.org/221

Let me know if you have any questions! Peace!

A video welcome to the Fall 2022 Chemistry 221 class!

Greetings to the Fall 2022 Chemistry 221 class from your instructor, Dr. Michael Russell! Looking forward to a great term with you, and let me know if you have any questions!

Chapter 1 Complete Lecture Part II

This the Complete Lecture for Chapter 1. This episode is part 2 of 2 episodes.

Chapter 1 Complete Lecture Part I

This the Complete Lecture for Chapter 1. This episode is part 1 of 2 episodes.

Chapter 1 Screencast - Significant Figures and Scientific Notation

A screencast from Chapter 1 in CH 221 which examines the two most important concepts from Chapter One: significant figures and scientific notation.

Chapter 1 Screencast - Precision and Accuracy

A screencast from Chapter 1 in CH 221 which looks at precision, accuracy, parts per thousand, and more.

Chapter 1 Screencast - Temperature

A screencast from Chapter 1 in CH 221 which looks at the three temperature scales used by chemists frequently.

Chapter 1 Screencast - Density

A screencast from Chapter 1 in CH 221 that provides an overview of density, a useful physical property often utilized by chemists.

Chapter 1 Screencast - States of Matter

A screencast from Chapter 1 in CH 221 which discusses the States of Matter commonly found on the Earth.

Chapter 1 Screencast - An Introduction to Chemistry

A screencast from Chapter 1 in CH 221 which introduces the field of chemistry.

CH 221: A Video Introduction to Chapter Guide One

This is the video introduction to Chapter Guide Lesson One (which covers Chapter One in our textbook) for Chemistry 221.

CH 221: An Audio Introduction to Chapter Guide One

This is the audio introduction to Chapter Guide Lesson One (which covers Chapter One in our textbook) for Chemistry 221.