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!
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!
This the Complete Lecture for the Final Exam Review of CH 223.
This video offers a few tips and tricks on how to prepare for the final lecture exam in CH 223.
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.
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.
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.
This the Complete Lecture for Chapter 19. There is only one episode for Chapter 19 and none for Chapter 18.
A screencast from Chapter 19 in CH 223 which discusses the isomers from an inorganic perspective (including optical isomers and enantiomers.)
A screencast from Chapter 19 in CH 223 which discusses the nomenclature system for coordination compounds in inorganic chemistry.
A screencast from Chapter 19 in CH 223 which introduces coordination compounds and their relationship to complex ions and transition metals.
This is the video introduction to Chapter Guide Lesson Six (which covers Chapters 21 and 22) in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson Six (which covers Chapters 18 and 19) in our textbook) for Chemistry 223.
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.
This the Complete Lecture for the Exam II Review of CH 223.
This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 223.
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.
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.
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.
This the Complete Lecture for Chapter 17. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 17. This episode is part 1 of 2 episodes.
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.
A screencast from Chapter 17 in CH 223 which looks at methods to quantify electrochemical reactions using the Faraday constant. Memorize the Faraday constant!
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.
A screencast from Chapter 17 in CH 223 which discusses the electromotive force (EMF) and how it applies to chemistry.
A screencast from Chapter 17 in CH 223 which discusses the electrolytic cell and its implication for chemists.
A screencast from Chapter 17 in CH 223 which gives tips on how to balance redox reactions in basic conditions.
A screencast from Chapter 17 in CH 223 which gives tips on how to balance redox reactions in acidic conditions.
A screencast from Chapter 17 in CH 223 which introduces redox reactions and electrochemistry and how they influence our lives.
A screencast from Chapter 16 in CH 223 which discusses the relationship between Gibbs Energy, Temperature and Equilibrium.
A screencast from Chapter 16 in CH 223 which provides examples of how to calculate Gibbs Free Energy for reactions.
A screencast from Chapter 16 in CH 223 which discusses Gibbs Free Energy and its implications in chemistry.
This is the video introduction to Chapter Guide Lesson Five (which covers Chapter Sixteen and Chapter Seventeen) in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson Five (which covers Chapter Sixteen and Chapter Seventeen) in our textbook) for Chemistry 223.
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.
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.
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.
This the Complete Lecture for Chapter 16. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 16. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 15. There is only one episode for Chapter 15.
A screencast from Chapter 16 in CH 223 which gives additional suggestions and examples on how to calculate entropy.
A screencast from Chapter 16 in CH 223 which gives ideas on how to calculate entropy in different circumstances.
A screencast from Chapter 16 in CH 223 which introduces entropy and what it means for thermodynamics and chemists.
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.)
A screencast from Chapter 15 in CH 223 which looks at complex ions and formation constants.
A screencast from Chapter 15 in CH 223 which looks at how clever chemists use differences in Ksp values to separate substances in solution.
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.
A screencast from Chapter 15 in CH 223 which discusses how solubility relates to the solubility product constant used in equilibrium calculations.
A screencast from Chapter 15 in CH 223 which introduces solubility and how it applies to chemical systems.
This is the video introduction to Chapter Guide Lesson Four (which covers Chapter Fifteen and Chapter Sixteen in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson Four (which covers Chapter Fifteen and Chapter Sixteen in our textbook) for Chemistry 223.
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.
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.
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.
This video offers a few tips and tricks on how to prepare for Class Presentations in CH 223.
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.
Chemistry 223 Video Lecture from April 29, 2024.
This video covers material for day 4 of an exam review for Midterm Exam I.
Chemistry 223 Video Lecture from April 26, 2024.
This video covers material for day 3 of an exam review for Midterm Exam I.
This the Complete Lecture for the Exam I Review of CH 223.
This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 223.
Chemistry 223 Video Lecture from April 24, 2024.
This video covers material for day 2 of an exam review for Midterm Exam I.
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.
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.
This the Complete Lecture for Chapter 14b (Chapter 14 Part II). This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 14b (Chapter 14 Part II). This episode is part 1 of 2 episodes.
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.
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.
A screencast from Chapter 14 in CH 223 which looks at the calculations used to apply to titrations.
A screencast from Chapter 14 in CH 223 which introduces the Henderson-Hasselbalch equation, which is arguably the most important equation of CH 223.
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.
A screencast from Chapter 14 in CH 223 which introduces the Common Ion Effect, a special application of Le Chatelier\'s Principle.
A screencast from Chapter 14 in CH 223 which introduces titrations, especially for titrations with strong acids and/or strong bases.
This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Fourteen in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Fourteen in our textbook) for Chemistry 223.
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.
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.
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.
This the Complete Lecture for Chapter 14a (Chapter 14 Part I). This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 14a (Chapter 14 Part I). This episode is part 1 of 2 episodes.
A screencast from Chapter 15 in CH 223 which discusses the Lewis acid and base theory, a powerful tool for upcoming chapters.
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.
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.
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.
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.
This is the video introduction to Chapter Guide Lesson Two (which covers Chapter Fourteen in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson Two (which covers Chapter Fourteen in our textbook) for Chemistry 223.
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.
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.
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.
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.
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.
This the Complete Lecture for Chapter 13. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 13. This episode is part 1 of 2 episodes.
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.
A screencast from Chapter 13 in CH 223 which shows how an equilibrium constant can be obtained using the quadratic formula and other methods.
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.
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.
A screencast from Chapter 13 in CH 223 which demonstrates some of the ways an equilibrium constant can be used in chemistry.
A screencast from Chapter 13 in CH 223 which introduces the idea of the equilibrium constant in chemistry.
This is the video introduction to Chapter Guide Lesson One (which covers Chapter Thirteen in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson One (which covers Chapter Thirteen in our textbook) for Chemistry 223.
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/
Our Discord server for CH 223: https://discord.gg/fwhD9tf
I\'m looking forward to having you in my classroom! Peace!
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.
This video shows the Complete Lecture for the Final Exam Review in CH 222.
This video offers a few tips and tricks on how to prepare for lecture final exam and the lab final exam in CH 222.
Chemistry 222 Video Lecture from March 13, 2024.
This video covers Day 1 of 2 of an exam review for the upcoming lecture final.
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.
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.
This the Complete Lecture for Chapter 21. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 21. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 12. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 12. This episode is part 1 of 2 episodes.
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.
A screencast from Chapter 21 in CH 222 which investigates methods used to balance nuclear reactions.
A screencast from Chapter 21 in CH 222 which introduces the idea of nuclear reactivity and how it differs from past chapters.
A screencast from Chapter 12 in CH 222 which discusses the use of catalysts in reactions.
A screencast from Chapter 12 in CH 222 which examines the mechanism for a reaction and what they can mean to the chemist.
A screencast from Chapter 12 in CH 222 which looks at the energy of activation for a reaction.
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.)
A screencast from Chapter 12 in CH 222 which looks at methods to find the value of the rate constant, k.
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.
A screencast from Chapter 12 in CH 222 which discusses the nature of kinetics, especially with relation to thermodynamics.
This is the video introduction to Chapter Guide Lesson Six (which covers Chapters Twelve and Twenty-one in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson Six (which covers Chapters Twelve and Twenty-one in our textbook) for Chemistry 222.
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.
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.
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.
This video offers a few tips and tricks on how to prepare for Class Presentations in CH 222.
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.
Chemistry 222 Video Lecture from February 26, 2024.
This video covers day 3 of a review for the second midterm exam.
Chemistry 222 Video Lecture from February 23, 2024.
This video covers day 2 of a review for the second midterm exam.
This video shows the Complete Lecture for the Exam II Review in CH 222.
This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 222.
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.
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.
This the Complete Lecture for Chapter 11. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 11. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 10. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 10. This episode is part 1 of 2 episodes.
A screencast from Chapter 11 in CH 222 which examines osmosis and osmotic pressure in solutions.
A screencast from Chapter 11 in CH 222 which discusses boiling point elevation and freezing point depression for solutions.
A screencast from Chapter 11 in CH 222 which looks at Henry\'s Law and Raoult\'s Law.
A screencast from Chapter 11 in CH 222 which examines calculations based on solutions.
A screencast from Chapter 11 in CH 222 which introduces solutions and their properties.
A screencast from Chapter 10 in CH 222 which discusses calculations relating to solid compounds.
A screencast from Chapter 10 in CH 222 which introduces solids.
A screencast from Chapter 10 in CH 222 which looks at phase diagrams.
A screencast from Chapter 10 in CH 222 which looks at how to calculate energy transfer amounts when phase changes are involved.
A screencast from Chapter 10 in CH 222 which examines surface tension, capillary action and viscosity.
A screencast from Chapter 10 in CH 222 which discusses boiling liquids and the relation to vapor pressure.
A screencast from Chapter 10 in CH 222 which examines liquids and their properties.
This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Ten and Eleven in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Ten and Eleven in our textbook) for Chemistry 222.
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.
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.
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.
This the Complete Lecture for Chapter 10. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 9. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 9. This episode is part 1 of 2 episodes.
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.
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.
A screencast from Chapter 10 in CH 222 which introduces intermolecular (IM) forces and talks about the ion-dipole IM force.
A screencast from Chapter 9 in CH 222 which discuses diffusion and effusion with respect to gases.
A screencast from Chapter 9 in CH 222 which examines how the kinetic molecular theory helps explain the behavior of gases.
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.
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!
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.
A screencast from Chapter 9 in CH 222 which looks at pressure and units used to definite its intensity.
This is the video introduction to Chapter Guide Lesson Four (which covers Chapters Nine and Ten in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson Four (which covers Chapters Nine and Ten in our textbook) for Chemistry 222.
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.
Chemistry 222 Video Lecture from February 5, 2024.
This video covers Day 3 of a review for the upcoming midterm exam I.
Chemistry 222 Video Lecture from February 2, 2024.
This video covers Day 2 of a review for the upcoming midterm exam I.
This video shows the Complete Lecture for the Exam I Review in CH 222.
This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 222.
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.
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.
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.
This the Complete Lecture for Chapter 20. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 20. This episode is part 1 of 2 episodes.
A screencast from Chapter 20 in CH 222 which shows a few examples of organic chemistry reactions.
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? :)
A screencast from Chapter 20 in CH 222 which briefly examines carboxylic acids and amines.
A screencast from Chapter 20 in CH 222 which looks at aromatic compounds in chemistry.
A screencast from Chapter 20 in CH 222 which talks about ethers, ketones, aldehydes, alkynes and alkenes.
A screencast from Chapter 20 in CH 222 which discusses the alcohol family.
A screencast from Chapter 20 in CH 222 which discusses isomerism, especially with relation to alkanes, cycloalkanes and alkyl halides.
A screencast from Chapter 20 in CH 222 which introduces organic chemistry, alkyl groups and alkanes.
This is the video introduction to Chapter Guide Lesson Three (which covers Chapter Twenty in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Twenty in our textbook) for Chemistry 222.
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.
This the Complete Lecture for Chapter 8. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 8. This episode is part 1 of 2 episodes.
A screencast from Chapter 8 in CH 222 which discusses how ions and paramagnetism are accounted for in molecular orbital theory.
A screencast from Chapter 8 in CH 222 which looks at multiple (pi) bonds as seen through molecular orbital theory.
A screencast from Chapter 8 in CH 222 which examines molecular orbital theory using some simple examples.
A screencast from Chapter 8 in CH 222 which introduces molecular orbital theory.
A screencast from Chapter 8 in CH 222 which examines multiple (pi) bonds in valence bond theory.
A screencast from Chapter 8 in CH 222 which further examines valence bond theory using the example of methane.
A screencast from Chapter 8 in CH 222 which examines valence bond theory closer using the example of boron trifluoride.
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.
This is the video introduction to Chapter Guide Lesson Two (which covers Chapter Eight in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson Two (which covers Chapter Eight in our textbook) for Chemistry 222.
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.
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.
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.
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
Our Discord server for CH 222: https://discord.gg/ZhrmjCS
I\'m looking forward to having you in my classroom! Peace!
This the Complete Lecture for Chapter 7. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 7. This episode is part 1 of 2 episodes.
A screencast from Chapter 7 in CH 222 which investigates the polarity of a molecule using the polarities of individual bonds.
A screencast from Chapter 7 in CH 222 which looks at the effect of electronegativity on bond polarity.
A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond energy (and bond length as well).
A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond length.
A screencast from Chapter 7 in CH 222 which looks at VSEPR theory and how it can help us determine bond angles, etc.
A screencast from Chapter 7 in CH 222 which discuses Formal charges and how they help us predict the most stable resonance form.
A screencast from Chapter 7 in CH 222 which looks at pi bonds in Lewis structures.
A screencast from Chapter 7 in CH 222 which discusses Lewis structures and their usefulness in chemistry.
A screencast from Chapter 7 in CH 222 which looks at bonding pairs and lone pairs 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.
This is the video introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.
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.
This the Final Exam Review Complete Lecture (Part 1 of 1 files.)
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.
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.
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.
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.
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.
This is the audio introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.
This is the video introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.
A screencast from Chapter 6 in CH 221 which introduces electromagnetic radiation (wavelength, frequency, node, etc.)
A screencast from Chapter 6 in CH 221 which examines the relationship between frequency and wavelength (namely the speed of light).
A screencast from Chapter 6 in CH 221 which examines Planck\'s equation relating the energy of a photon to the frequency.
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.
A screencast from Chapter 6 in CH 221 that talks about Bohr\'s theory in greater detail, including its strengths and disadvantages.
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.
A screencast from Chapter 6 in CH 221 which introduces quantum mechanics and the quantum numbers.
A screencast from Chapter 6 in CH 221 which looks at the types of orbitals found in atoms and how that affects electron composition.
A screencast from Chapter 6 in CH 221 which looks at the fourth quantum number, the spin quantum number.
A screencast from Chapter 6 in CH 221 which examines how electrons are assigned to atoms.
A screencast from Chapter 6 in CH 221 that looks at the n + l rule, which governs the placement of electrons in atoms.
A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to atoms.
A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to 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.
A screencast from Chapter 6 in CH 221 which looks at Ionization Energy and Electron Affinity trends using the periodic table.
This the Complete Lecture for Chapter 6 Part I. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 6 Part I. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 6 Part II. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 6 Part II. This episode is part 2 of 2 episodes.
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.
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.
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.
This video offers a few tips and tricks on how to prepare for the Class Presentations in CH 221.
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.
Chemistry 221 Video Lecture from November 13, 2023.
This video covers a partial exam review for midterm II.
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.
This video shows the Complete Lecture for the Exam II Review in CH 221.
This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 221.
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.
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.
This the Complete Lecture for Chapter 5. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 5. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 4 Part II. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 4 Part II. This episode is part 1 of 2 episodes.
A screencast from Chapter 5 in CH 221 which continues to look at the utility of heats of formation for reactions.
A screencast from Chapter 5 in CH 221 which looks at heat of formation values and 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.
A screencast from Chapter 5 in CH 221 which examines energy changes with a change of state.
A screencast from Chapter 5 in CH 221 which looks at energy changes with no change of state - the q = mC(del)T equation
A screencast from Chapter 5 in CH 221 that introduces Thermodynamics, the science of energy transfer.
A screencast from Chapter 5 in CH 221 which introduces energy from a chemistry perspective.
A screencast from Chapter 4 in CH 221 that examines titrations and their usefulness.
A screencast from Chapter 4 in CH 221 which examines the pH scale and solution stoichiometry.
A screencast from Chapter 3 in CH 221 which examines how solutions can be prepared from dilution methods.
A screencast from Chapter 3 in CH 221 that introduces molarity and solution concentration.
A screencast from Chapter 4 in CH 221 which offers tips on recognizing redox reactions.
A screencast from Chapter 4 in CH 221 which looks at oxidation numbers and their use in redox reactions.
A screencast from Chapter 4 in CH 221 that introduces redox reactions as well as oxidation and reduction.
This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.
This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.
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.
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.
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.
This the Complete Lecture for Chapter 4 Part II. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 4 Part II. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 4 Part 1. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 4 Part 1. This episode is part 1 of 2 episodes.
A screencast from Chapter 4 in CH 221 that looks at more reaction types: acid/base, gas-forming and combustion 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.
A screencast from Chapter 3 in CH 221 which introduces acids and bases in chemistry.
A screencast from Chapter 3 in CH 221 which introduces solutions in chemistry.
A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons containing oxygen through combustion analysis.
A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons through combustion analysis.
A screencast from Chapter 4 in CH 221 which discusses limiting reactants and their meaning in chemistry.
A screencast from Chapter 4 in CH 221 which looks at theoretical and actual yields (and percent yield as well!)
A screencast from Chapter 4 in CH 221 which discusses techniques used to balance chemical reactions.
A screencast from Chapter 4 in CH 221 which looks at the chemical reaction and the features of them.
This is the video introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.
This is the audio introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.
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.
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.
Chemistry 221 Video Lecture from October 20, 2023.
This video covers day 3 of an exam review for the upcoming midterm exam I.
This video shows the Complete Lecture for the Exam I Review in CH 221.
This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 221.
Chemistry 221 Video Lecture from October 18, 2023.
This video covers day 2 of an exam review for the upcoming midterm exam I.
Chemistry 221 Video Lecture from October 16, 2023.
This video covers day 1 of an exam review for the upcoming midterm exam I.
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.
This the Complete Lecture for Chapter 2 Part 2. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 2 Part 2. This episode is part 1 of 2 episodes.
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.
A screencast from Chapter 2 Part 2 in CH 221 that examines percent composition and how it can lead to an empirical formula.
A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of molar mass and how it applies to compounds.
A screencast from Chapter 2 Part 2 in CH 221 that looks at acids, bases and hydrated compounds (called hydrates.)
A screencast from Chapter 2 Part 2 in CH 221 that introduces covalent molecules and covalent bonding.
A screencast from Chapter 2 Part 2 in CH 221 that discusses electrostatic forces and Coulomb\'s Law as applied to ionic bonding.
A screencast from Chapter 2 Part 2 in CH 221 which examines the formation of ionic compounds.
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.
A screencast from Chapter 2 Part 2 in CH 221 which examines polyatomic ions. Try to memorize as many of these as you can!
A screencast from Chapter 2 Part 2 in CH 221 that examines cations and anions in ionic bonds.
A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of allotropes of elements and the most important seven diatomics.
A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of compounds and their smallest component, a molecule.
This is the video introduction to Chapter Guide Lesson Three (which covers the second portion of Chapter Two in our textbook) for Chemistry 221.
This is the audio introduction to Chapter Guide Lesson Three (which covers the second portion of Chapter Two in our textbook) for Chemistry 221.
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.
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.
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.
This the Complete Lecture for Chapter 2 Part 1. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 2 Part 1. This episode is part 1 of 2 episodes.
A screencast from Chapter 2 Part 1 in CH 221 which examines the periodic table, the most important cheat cheat ever created! *smiles* :)
A screencast from Chapter 2 Part 1 in CH 221 which introduces the mole, the important counting number for chemists.
A screencast from Chapter 2 Part 1 in CH 221 which looks at isotopic abundance and methods to calculate it.
A screencast from Chapter 2 Part 1 in CH 221 which looks at the atomic number and what it implies.
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.
This is the video introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221.
This is the audio introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221.
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.
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.
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.
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.
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.
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!
This is the audio introduction to Chapter Guide Lesson One (which covers Chapter One in our textbook) for Chemistry 221.
This is the video introduction to Chapter Guide Lesson One (which covers Chapter One in our textbook) for Chemistry 221.
A screencast from Chapter 1 in CH 221 which introduces the field of chemistry.
A screencast from Chapter 1 in CH 221 which discusses the States of Matter commonly found on the Earth.
A screencast from Chapter 1 in CH 221 that provides an overview of density, a useful physical property often utilized by chemists.
A screencast from Chapter 1 in CH 221 which looks at the three temperature scales used by chemists frequently.
A screencast from Chapter 1 in CH 221 which looks at precision, accuracy, parts per thousand, and more.
A screencast from Chapter 1 in CH 221 which examines the two most important concepts from Chapter One: significant figures and scientific notation.
This the Complete Lecture for Chapter 1. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 1. This episode is part 2 of 2 episodes.
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!
This the Complete Lecture for the Final Exam Review of CH 223.
This video offers a few tips and tricks on how to prepare for the final lecture exam in CH 223.
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!
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!
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!
This the Complete Lecture for Chapter 19. There is only one episode for Chapter 19 and none for Chapter 18.
A screencast from Chapter 19 in CH 223 which discusses the isomers from an inorganic perspective (including optical isomers and enantiomers.)
A screencast from Chapter 19 in CH 223 which discusses the nomenclature system for coordination compounds in inorganic chemistry.
A screencast from Chapter 19 in CH 223 which introduces coordination compounds and their relationship to complex ions and transition metals.
This is the video introduction to Chapter Guide Lesson Six (which covers Chapters 21 and 22) in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson Six (which covers Chapters 18 and 19) in our textbook) for Chemistry 223.
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!
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!
This the Complete Lecture for the Exam II Review of CH 223.
This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 223.
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!
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!
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!
This the Complete Lecture for Chapter 17. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 17. This episode is part 1 of 2 episodes.
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.
A screencast from Chapter 17 in CH 223 which looks at methods to quantify electrochemical reactions using the Faraday constant. Memorize the Faraday constant!
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.
A screencast from Chapter 17 in CH 223 which discusses the electromotive force (EMF) and how it applies to chemistry.
A screencast from Chapter 17 in CH 223 which discusses the electrolytic cell and its implication for chemists.
A screencast from Chapter 17 in CH 223 which gives tips on how to balance redox reactions in basic conditions.
A screencast from Chapter 17 in CH 223 which gives tips on how to balance redox reactions in acidic conditions.
A screencast from Chapter 17 in CH 223 which introduces redox reactions and electrochemistry and how they influence our lives.
A screencast from Chapter 16 in CH 223 which discusses the relationship between Gibbs Energy, Temperature and Equilibrium.
A screencast from Chapter 16 in CH 223 which provides examples of how to calculate Gibbs Free Energy for reactions.
A screencast from Chapter 16 in CH 223 which discusses Gibbs Free Energy and its implications in chemistry.
This is the video introduction to Chapter Guide Lesson Five (which covers Chapter Sixteen and Chapter Seventeen) in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson Five (which covers Chapter Sixteen and Chapter Seventeen) in our textbook) for Chemistry 223.
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!
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!
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!
This the Complete Lecture for Chapter 16. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 16. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 15. There is only one episode for Chapter 15.
A screencast from Chapter 16 in CH 223 which gives additional suggestions and examples on how to calculate entropy.
A screencast from Chapter 16 in CH 223 which gives ideas on how to calculate entropy in different circumstances.
A screencast from Chapter 16 in CH 223 which introduces entropy and what it means for thermodynamics and chemists.
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.)
A screencast from Chapter 15 in CH 223 which looks at complex ions and formation constants.
A screencast from Chapter 15 in CH 223 which looks at how clever chemists use differences in Ksp values to separate substances in solution.
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.
A screencast from Chapter 15 in CH 223 which discusses how solubility relates to the solubility product constant used in equilibrium calculations.
A screencast from Chapter 15 in CH 223 which introduces solubility and how it applies to chemical systems.
This is the video introduction to Chapter Guide Lesson Four (which covers Chapter Fifteen and Chapter Sixteen in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson Four (which covers Chapter Fifteen and Chapter Sixteen in our textbook) for Chemistry 223.
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!
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!
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!
This video offers a few tips and tricks on how to prepare for Class Presentations in CH 223.
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!
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!
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!
This the Complete Lecture for the Exam I Review of CH 223.
This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 223.
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!
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!
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!
This the Complete Lecture for Chapter 14b (Chapter 14 Part II). This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 14b (Chapter 14 Part II). This episode is part 1 of 2 episodes.
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.
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.
A screencast from Chapter 14 in CH 223 which looks at the calculations used to apply to titrations.
A screencast from Chapter 14 in CH 223 which introduces the Henderson-Hasselbalch equation, which is arguably the most important equation of CH 223.
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.
A screencast from Chapter 14 in CH 223 which introduces the Common Ion Effect, a special application of Le Chatelier's Principle.
A screencast from Chapter 14 in CH 223 which introduces titrations, especially for titrations with strong acids and/or strong bases.
This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Fourteen in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Fourteen in our textbook) for Chemistry 223.
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!
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!
This the Complete Lecture for Chapter 14a (Chapter 14 Part I). This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 14a (Chapter 14 Part I). This episode is part 1 of 2 episodes.
A screencast from Chapter 15 in CH 223 which discusses the Lewis acid and base theory, a powerful tool for upcoming chapters.
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.
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.
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.
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.
This is the video introduction to Chapter Guide Lesson Two (which covers Chapter Fourteen in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson Two (which covers Chapter Fourteen in our textbook) for Chemistry 223.
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!
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!
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!
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!
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!
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!
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/
Our Discord server for CH 223: https://discord.gg/fwhD9tf
I'm looking forward to having you in my classroom! Peace!
This the Complete Lecture for Chapter 13. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 13. This episode is part 1 of 2 episodes.
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.
A screencast from Chapter 13 in CH 223 which shows how an equilibrium constant can be obtained using the quadratic formula and other methods.
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.
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.
A screencast from Chapter 13 in CH 223 which demonstrates some of the ways an equilibrium constant can be used in chemistry.
A screencast from Chapter 13 in CH 223 which introduces the idea of the equilibrium constant in chemistry.
This is the video introduction to Chapter Guide Lesson One (which covers Chapter Thirteen in our textbook) for Chemistry 223.
This is the audio introduction to Chapter Guide Lesson One (which covers Chapter Thirteen in our textbook) for Chemistry 223.
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!
This video shows the Complete Lecture for the Final Exam Review in CH 222.
This video offers a few tips and tricks on how to prepare for lecture final exam and the lab final exam in CH 222.
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!
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!
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!
This the Complete Lecture for Chapter 21. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 21. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 12. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 12. This episode is part 1 of 2 episodes.
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.
A screencast from Chapter 21 in CH 222 which investigates methods used to balance nuclear reactions.
A screencast from Chapter 21 in CH 222 which introduces the idea of nuclear reactivity and how it differs from past chapters.
A screencast from Chapter 12 in CH 222 which discusses the use of catalysts in reactions.
A screencast from Chapter 12 in CH 222 which examines the mechanism for a reaction and what they can mean to the chemist.
A screencast from Chapter 12 in CH 222 which looks at the energy of activation for a reaction.
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.)
A screencast from Chapter 12 in CH 222 which looks at methods to find the value of the rate constant, k.
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.
A screencast from Chapter 12 in CH 222 which discusses the nature of kinetics, especially with relation to thermodynamics.
This is the video introduction to Chapter Guide Lesson Six (which covers Chapters Twelve and Twenty-one in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson Six (which covers Chapters Twelve and Twenty-one in our textbook) for Chemistry 222.
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!
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!
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!
This video offers a few tips and tricks on how to prepare for Class Presentations in CH 222.
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!
This video shows the Complete Lecture for the Exam II Review in CH 222.
This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 222.
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!
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!
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!
This the Complete Lecture for Chapter 11. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 11. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 10. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 10. This episode is part 1 of 2 episodes.
A screencast from Chapter 11 in CH 222 which examines osmosis and osmotic pressure in solutions.
A screencast from Chapter 11 in CH 222 which discusses boiling point elevation and freezing point depression for solutions.
A screencast from Chapter 11 in CH 222 which looks at Henry's Law and Raoult's Law.
A screencast from Chapter 11 in CH 222 which examines calculations based on solutions.
A screencast from Chapter 11 in CH 222 which introduces solutions and their properties.
A screencast from Chapter 10 in CH 222 which discusses calculations relating to solid compounds.
A screencast from Chapter 10 in CH 222 which introduces solids.
A screencast from Chapter 10 in CH 222 which looks at phase diagrams.
A screencast from Chapter 10 in CH 222 which looks at how to calculate energy transfer amounts when phase changes are involved.
A screencast from Chapter 10 in CH 222 which examines surface tension, capillary action and viscosity.
A screencast from Chapter 10 in CH 222 which discusses boiling liquids and the relation to vapor pressure.
A screencast from Chapter 10 in CH 222 which examines liquids and their properties.
This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Ten and Eleven in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Ten and Eleven in our textbook) for Chemistry 222.
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!
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!
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!
This the Complete Lecture for Chapter 10. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 9. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 9. This episode is part 1 of 2 episodes.
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.
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.
A screencast from Chapter 10 in CH 222 which introduces intermolecular (IM) forces and talks about the ion-dipole IM force.
A screencast from Chapter 9 in CH 222 which discuses diffusion and effusion with respect to gases.
A screencast from Chapter 9 in CH 222 which examines how the kinetic molecular theory helps explain the behavior of gases.
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.
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!
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.
A screencast from Chapter 9 in CH 222 which looks at pressure and units used to definite its intensity.
This is the video introduction to Chapter Guide Lesson Four (which covers Chapters Nine and Ten in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson Four (which covers Chapters Nine and Ten in our textbook) for Chemistry 222.
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!
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!
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!
This video shows the Complete Lecture for the Exam I Review in CH 222.
This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 222.
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!
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!
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!
This the Complete Lecture for Chapter 20. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 20. This episode is part 1 of 2 episodes.
A screencast from Chapter 20 in CH 222 which shows a few examples of organic chemistry reactions.
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
A screencast from Chapter 20 in CH 222 which briefly examines carboxylic acids and amines.
A screencast from Chapter 20 in CH 222 which looks at aromatic compounds in chemistry.
A screencast from Chapter 20 in CH 222 which talks about ethers, ketones, aldehydes, alkynes and alkenes.
A screencast from Chapter 20 in CH 222 which discusses the alcohol family.
A screencast from Chapter 20 in CH 222 which discusses isomerism, especially with relation to alkanes, cycloalkanes and alkyl halides.
A screencast from Chapter 20 in CH 222 which introduces organic chemistry, alkyl groups and alkanes.
This is the video introduction to Chapter Guide Lesson Three (which covers Chapter Twenty in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson Three (which covers Chapter Twenty in our textbook) for Chemistry 222.
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!
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!
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!
This the Complete Lecture for Chapter 8. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 8. This episode is part 1 of 2 episodes.
A screencast from Chapter 8 in CH 222 which discusses how ions and paramagnetism are accounted for in molecular orbital theory.
A screencast from Chapter 8 in CH 222 which looks at multiple (pi) bonds as seen through molecular orbital theory.
A screencast from Chapter 8 in CH 222 which examines molecular orbital theory using some simple examples.
A screencast from Chapter 8 in CH 222 which introduces molecular orbital theory.
A screencast from Chapter 8 in CH 222 which examines multiple (pi) bonds in valence bond theory.
A screencast from Chapter 8 in CH 222 which further examines valence bond theory using the example of methane.
A screencast from Chapter 8 in CH 222 which examines valence bond theory closer using the example of boron trifluoride.
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.
This is the video introduction to Chapter Guide Lesson Two (which covers Chapter Eight in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson Two (which covers Chapter Eight in our textbook) for Chemistry 222.
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!
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!
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!
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!
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
Our Discord server for CH 222: https://discord.gg/ZhrmjCS
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!
This the Complete Lecture for Chapter 7. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 7. This episode is part 1 of 2 episodes.
A screencast from Chapter 7 in CH 222 which investigates the polarity of a molecule using the polarities of individual bonds.
A screencast from Chapter 7 in CH 222 which looks at the effect of electronegativity on bond polarity.
A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond energy (and bond length as well).
A screencast from Chapter 7 in CH 222 which examines the relationship between bond order and bond length.
A screencast from Chapter 7 in CH 222 which looks at VSEPR theory and how it can help us determine bond angles, etc.
A screencast from Chapter 7 in CH 222 which discuses Formal charges and how they help us predict the most stable resonance form.
A screencast from Chapter 7 in CH 222 which looks at pi bonds in Lewis structures.
A screencast from Chapter 7 in CH 222 which discusses Lewis structures and their usefulness in chemistry.
A screencast from Chapter 7 in CH 222 which looks at bonding pairs and lone pairs 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.
This is the video introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.
This is the audio introduction to Chapter Guide Lesson One (which covers Chapter Seven in our textbook) for Chemistry 222.
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!
This the Final Exam Review Complete Lecture (Part 1 of 1 files.)
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.
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!
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!
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!
This the Complete Lecture for Chapter 6 Part II. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 6 Part II. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 6 Part I. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 6 Part I. This episode is part 1 of 2 episodes.
A screencast from Chapter 6 in CH 221 which looks at Ionization Energy and Electron Affinity trends using the periodic table.
A screencast from Chapter 6 in CH 221 which talks about methods to estimate the sizes of atoms and ions using the periodic table.
A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to ions.
A screencast from Chapter 6 in CH 221 which provides examples of how to assign electrons to atoms.
A screencast from Chapter 6 in CH 221 that looks at the n + l rule, which governs the placement of electrons in atoms.
A screencast from Chapter 6 in CH 221 which examines how electrons are assigned to atoms.
A screencast from Chapter 6 in CH 221 which looks at the fourth quantum number, the spin quantum number.
A screencast from Chapter 6 in CH 221 which looks at the types of orbitals found in atoms and how that affects electron composition.
A screencast from Chapter 6 in CH 221 which introduces quantum mechanics and the quantum numbers.
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.
A screencast from Chapter 6 in CH 221 that talks about Bohr's theory in greater detail, including its strengths and disadvantages.
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.
A screencast from Chapter 6 in CH 221 which examines Planck's equation relating the energy of a photon to the frequency.
A screencast from Chapter 6 in CH 221 which examines the relationship between frequency and wavelength (namely the speed of light).
A screencast from Chapter 6 in CH 221 which introduces electromagnetic radiation (wavelength, frequency, node, etc.)
This is the video introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.
This is the audio introduction to Chapter Guide Lesson Six (which covers Chapter Six in our textbook) for Chemistry 221.
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!
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!
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!
This video offers a few tips and tricks on how to prepare for Class Presentations in CH 221.
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!
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!
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!
This video shows the Complete Lecture for the Exam II Review in CH 221.
This video offers a few tips and tricks on how to prepare for the second midterm exam in CH 221.
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!
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!
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!
This the Complete Lecture for Chapter 5. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 5. This episode is part 1 of 2 episodes.
This the Complete Lecture for Chapter 4 Part II. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 4 Part II. This episode is part 1 of 2 episodes.
A screencast from Chapter 5 in CH 221 which continues to look at the utility of heats of formation for reactions.
A screencast from Chapter 5 in CH 221 which looks at heat of formation values and 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.
A screencast from Chapter 5 in CH 221 which examines energy changes with a change of state.
A screencast from Chapter 5 in CH 221 which looks at energy changes with no change of state - the q = mC(del)T equation
A screencast from Chapter 5 in CH 221 that introduces Thermodynamics, the science of energy transfer.
A screencast from Chapter 5 in CH 221 which introduces energy from a chemistry perspective.
A screencast from Chapter 4 in CH 221 that examines titrations and their usefulness.
A screencast from Chapter 4 in CH 221 which examines the pH scale and solution stoichiometry.
A screencast from Chapter 3 in CH 221 which examines how solutions can be prepared from dilution methods.
A screencast from Chapter 3 in CH 221 that introduces molarity and solution concentration.
A screencast from Chapter 4 in CH 221 which offers tips on recognizing redox reactions.
A screencast from Chapter 4 in CH 221 which looks at oxidation numbers and their use in redox reactions.
A screencast from Chapter 4 in CH 221 that introduces redox reactions as well as oxidation and reduction.
This is the video introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.
This is the audio introduction to Chapter Guide Lesson Five (which covers Chapters Three through Five in our textbook) for Chemistry 221.
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!
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!
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!
This the Complete Lecture for Chapter 4 Part 1. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 4 Part 1. This episode is part 1 of 2 episodes.
A screencast from Chapter 3 in CH 221 which examines acids and bases in greater detail.
A screencast from Chapter 4 in CH 221 that looks at more reaction types: acid/base, gas-forming and combustion 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.
A screencast from Chapter 3 in CH 221 which introduces solutions in chemistry.
A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons containing oxygen through combustion analysis.
A screencast from Chapter 4 in CH 221 which examines methods used to find empirical formulas of hydrocarbons through combustion analysis.
A screencast from Chapter 4 in CH 221 which discusses limiting reactants and their meaning in chemistry.
A screencast from Chapter 4 in CH 221 which looks at theoretical and actual yields (and percent yield as well!)
A screencast from Chapter 4 in CH 221 which discusses techniques used to balance chemical reactions.
A screencast from Chapter 4 in CH 221 which looks at the chemical reaction and the features of them.
This is the video introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.
This is the audio introduction to Chapter Guide Lesson Four (which covers Chapter Four in our textbook) for Chemistry 221.
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!
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!
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!
This video shows the Complete Lecture for the Exam I Review in CH 221.
This video offers a few tips and tricks on how to prepare for the first midterm exam in CH 221.
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!
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!
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!
This the Complete Lecture for Chapter 2 Part 2. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 2 Part 2. This episode is part 1 of 2 episodes.
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.
A screencast from Chapter 2 Part 2 in CH 221 that examines percent composition and how it can lead to an empirical formula.
A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of molar mass and how it applies to compounds.
A screencast from Chapter 2 Part 2 in CH 221 that looks at acids, bases and hydrated compounds (called hydrates.)
A screencast from Chapter 2 Part 2 in CH 221 that introduces covalent molecules and covalent bonding.
A screencast from Chapter 2 Part 2 in CH 221 that discusses electrostatic forces and Coulomb's Law as applied to ionic bonding.
A screencast from Chapter 2 Part 2 in CH 221 which examines the formation of ionic compounds.
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
A screencast from Chapter 2 Part 2 in CH 221 which examines polyatomic ions. Try to memorize as many of these as you can!
A screencast from Chapter 2 Part 2 in CH 221 that examines cations and anions in ionic bonds.
A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of allotropes of elements and the most important seven diatomics.
A screencast from Chapter 2 Part 2 in CH 221 that provides an overview of compounds and their smallest component, a molecule.
This is the video introduction to Chapter Guide Lesson Three (which covers the second portion of Chapter Two in our textbook) for Chemistry 221.
This is the audio introduction to Chapter Guide Lesson Three (which covers the second portion of Chapter Two in our textbook) for Chemistry 221.
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!
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!
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!
This the Complete Lecture for Chapter 2 Part 1. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 2 Part 1. This episode is part 1 of 2 episodes.
A screencast from Chapter 2 Part 1 in CH 221 which examines the periodic table, the most important cheat cheat ever created! *smiles* :)
A screencast from Chapter 2 Part 1 in CH 221 which introduces the mole, the important counting number for chemists.
A screencast from Chapter 2 Part 1 in CH 221 which looks at isotopic abundance and methods to calculate it.
A screencast from Chapter 2 Part 1 in CH 221 which looks at the atomic number and what it implies.
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.
This is the video introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221.
This is the audio introduction to Chapter Guide Lesson Two (which covers the first portion of Chapter Two in our textbook) for Chemistry 221.
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!
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!
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!
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!
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!
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!
This the Complete Lecture for Chapter 1. This episode is part 2 of 2 episodes.
This the Complete Lecture for Chapter 1. This episode is part 1 of 2 episodes.
A screencast from Chapter 1 in CH 221 which examines the two most important concepts from Chapter One: significant figures and scientific notation.
A screencast from Chapter 1 in CH 221 which looks at precision, accuracy, parts per thousand, and more.
A screencast from Chapter 1 in CH 221 which looks at the three temperature scales used by chemists frequently.
A screencast from Chapter 1 in CH 221 that provides an overview of density, a useful physical property often utilized by chemists.
A screencast from Chapter 1 in CH 221 which discusses the States of Matter commonly found on the Earth.
A screencast from Chapter 1 in CH 221 which introduces the field of chemistry.
This is the video introduction to Chapter Guide Lesson One (which covers Chapter One in our textbook) for Chemistry 221.
This is the audio introduction to Chapter Guide Lesson One (which covers Chapter One in our textbook) for Chemistry 221.
Fall 2021 (CH 221), Winter 2022 (CH 222) and Spring 2022 (CH 223):