Unit 5 – Equilibrium 7.1 - dynamic equilibrium, solubility equilibrium, phase equilibrium simple ICE tables-determining concentrations at equilibrium - - equilibrium law, equilibrium constant heterogeneous equilibria 7.2 7.3 Haber Process: N2(g) + 3 H2(g) 2 NH3(g), look at from the perspective of chemistry and Le Chatelier’s principle, rates, history, economic, diet. 7.4 Le Chatelier’s Principle: a systemic look what happens as a stress is placed upon an equilibrium: temperature, pressure, volume, concentration 7.5 - Reaction Quotient (Q) changes in equilibrium (using ICE table) calculate K, calculate [reactant] using K value - -heterogenous equilibria extended to solubility – ICE tables Ksp and molar solubility, common ion effect Predicting precipitation - Arrhenius theory, Bronsted-Lowry theory of acids and bases conj acid and base pairs, introduction to Ka - strong and weak acids and bases weak acid (ka), weak base (kb), pH calculations ion product of water Kw = [H1+][OH1-] = 1 x 10-14; pH + pOH = 14 Kw = Ka Kb - Calculating pH, pOH, [OH-], [H+] of strong acid and strong base Calculating pH, pOH, [OH-], [H+] of weak acid using ICE tables Calculate - % ionization, Ka and pH Lewis theory of acids and bases - Calculating pH, pOH, [OH-], [H+] of weak base using ICE tables Calculate - % ionization, Kb and pH 7.6 8.1 8.2 8.4 8.5 8.6 pH of salts in solution 8.7 - titrations of strong/weak acids and bases titration curves of strong/weak acids/bases - buffers, how they minimize pH changes 8.8