Equilibrium and Acid/Base

  1. Rates of Reaction
    1. Lab: Iodine Clock Reaction
    2. Demos: Licopodium powder and iron filings.
    3. Homework: Read 16.1 and 16.2; Draw potential energy curves for the following situations - an exothermic reaction that is likely to be completely spontaneous, a reaction which would require a constant input of energy to complete, an exothermic reaction with a high activation energy, an endothermic reaction with a low activation energy, a reaction in which the reactants and products contain approximately but not exactly the same chemical potential energy.
  2. Equilibrium
    1. Dynamic Nature of Equilibrium
      1. Homework: Read 16.3 and 16.4
      2. Lab: Penny Equilibrium
    2. Le Chetalier's Principle
      1. Film: The Haber Process.
      2. Lab: Experimenting with Le Chetalier's principle
      3. Lab: Computer simulations of equilibrium systems.
      4. Homework: Chapter 16 problems: 34-38.
    3. The Equilibrium Constant
      1. Homework: Read 16.5, 16.6, 16.8 and do problems 16,18,26,28
    4. Solubility Product
      1. Homework: Read 16.9 and complete Calculations using the Equilibrium Constant sheet and do problems 64 and 68.
  3. Acid/Base
    1. Arrhenius Definition
    2. Lab: What is pH?
    3. Determining pH and Kw
    4. Homework: Read 17.1, 17.3-17.5 and do problems 36,40,48,54,56,58
    5. Bronstead-Lowry Definition
    6. Weak vs. Strong Acids and Bases
      1. Handout: Relative Strength of Acids Table
      2. Demo: Light up My Life.
      3. Homework: Read 17.2 and do problems 8,10,14,16
      4. Homework: Make a table showing the relationship between concentration and pH for both the strong acid HNO3 and the weak acid HC7H5O2 (benzoic acid with Ka=6.6 x 10-5). Compare the pH for solutions which were made by dissolving 1.0 mol, 0.10 mol, 0.010 mol, and 0.0010 mol of each acid in one liter of solution.
  4. Buffers
    1. Homework: Read 17.6 and do problems 63, 64, and 105.