These are the CH 223 Online Extra Credit Problems. Recommended browsers include current versions of Safari, Firefox or Chrome. Helpful links:

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Chapter 12: Thermodynamics

1. Second Law Problems
2. Using Free Energies

Chapter 13: Fundamental Equilibrium Concepts

1. Calculating the Value of an Equilibrium Constant, K
2. Calculating K Part II
3. Q vs K
4. The Le Chatelier Effect
5. Kp and Kc

Chapter 14: Acid-Base Equilibria

1. Identifying Acids and Bases
2. Hydrolysis of Acids and Bases
3. Proton Transfer Reactions
4. pA, pB, A and B
5. pH, pOH, [H⁺], [OH^-]
6. More pH Relationships
7. pH of Weak Acid Solutions
8. pH of Weakly Basic Solutions
9. Solutions of Acids and Bases
10. Calculating K for Acid-Base Reactions
11. Using the Weak Acid Approximation
12. Titrations of Weak Acids
13. Properties of Buffers
14. Composition of Buffers

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Chapter 15: Equilibria of Other Reaction Classes

1. Slightly Soluble Salts
2. The Common Ion Effect
3. Predicting Precipitation

Chapter 16: Electrochemistry

1. Writing Redox Reactions
2. Identifying Electrode Processes
3. Balancing Oxidation Reduction Reactions
4. Using the Electrochemical Series
5. Calculating E^o
6. Relating E^o, G and K
7. Faraday's Laws
8. Determining n for a Redox Reaction
9. The Nernst Equation
10. The Nernst Equation II

Chapter 19: Transition Metals and Coordination Chemistry

1. Crystal Field Treatment of Octahedral Compounds

Chapter 21: Organic Chemistry

1. Recognizing Organic Fragments
2. Basic Organic Nomenclature

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