ch15_chemical equilibrium

# Ch15_chemical - Chapter 15 Chemical Equilibrium 1 What is chemical equilibrium 2 Using the law of mass action write the equilibrium constant

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Chapter 15: Chemical Equilibrium 1. What is chemical equilibrium? 2. Using the law of mass action, write the equilibrium constant expression for K eq for the following reactions: a. 2CH 3 OH(l) + 3O 2 (g) 2CO 2 (g) + 4H 2 O(g) b. 2SO 2 (g) + O 2 (g) 2SO 3 (g) c. 6CO 2 (g) + 6H 2 O(l) C 6 H 12 O 6 (s) + 6O 2 (g) 3. When the following reactions come to equilibrium, does the equilibrium mixture contain mostly reactants or mostly products? a. N 2 (g) + O 2 (g) 2NO(g) K c = 1.7 x 10 -3 b. CO(g) + Cl 2 (g) COCl 2 (g) K c = 6.5 x 10 11 4. Calculate K c for the reaction SnO 2 (s) + 2CO(g) Sn(s) + 2CO 2 (g) given the following information: SnO 2 (s) +2H 2 (g) ↔ Sn(s) + 2H 2 O(g) K c = 8.12 H 2 (g) + CO 2 (g) ↔ H 2 O(g) + CO(g) K c = 0.771

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5. An equilibrium mixture at 1000K contains the gases with the following concentrations: [SO 2 ] = 3.77 x 10 -3 M, [O 2 ] = 4.30 x 10 -3 M, and [SO 3 ] = 4.13 x 10 -3 M. Calculate the equilibrium constant for the reaction 2SO 2 (g) O
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## This note was uploaded on 06/06/2008 for the course CHM 116 taught by Professor ? during the Spring '08 term at Santa Monica.

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Ch15_chemical - Chapter 15 Chemical Equilibrium 1 What is chemical equilibrium 2 Using the law of mass action write the equilibrium constant

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