AP Chemistry
7.10 Reaction Quotient and Le Châtelier’s Principle
7.9 Introduction to Le Châtelier’s Principle
7.3 Reaction Quotient and Equilibrium Constant
A mixture of \(\text{SO}_2(g)\), \(\text{O}_2(g)\), and \(\text{SO}_3(g)\) is held at equilibrium inside a cylinder fitted with a movable piston at a constant temperature according to the following equation:
\[ 2\,\text{SO}_2(g) + \text{O}_2(g) \rightleftharpoons 2\,\text{SO}_3(g) \]
The volume of the container is suddenly halved by compressing the piston. Which of the following correctly compares the reaction quotient, \(Q_p\), to the equilibrium constant, \(K_p\), immediately after the compression, and predicts the direction the system will shift to re-establish equilibrium?
\[ 2\,\text{SO}_2(g) + \text{O}_2(g) \rightleftharpoons 2\,\text{SO}_3(g) \]
The volume of the container is suddenly halved by compressing the piston. Which of the following correctly compares the reaction quotient, \(Q_p\), to the equilibrium constant, \(K_p\), immediately after the compression, and predicts the direction the system will shift to re-establish equilibrium?
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