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AP Chemistry 7.5 Equilibrium Constant Question Bank

Practise AP Chemistry 7.5 equilibrium-constant questions by relating K values to temperature and equilibrium composition.

Exam points

identify temperature as the condition that changes the numerical equilibrium constant
use K magnitude to infer which reactant or product has the greater equilibrium partial pressure

Answer the following questions about $\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}$ .

(e) For the reaction represented above, the value of the equilibrium constant, $K_{p}$ , is $3.3 \times 10^{-8}$ at $25{ }^{\circ} \mathrm{C}$ . Which would

have a greater partial pressure at equilibrium: the reactant, X, or the product, Z? Circle one of the options and justify

your choice.

Option 1: The partial pressure of reactant X is greater.

Option 2: The partial pressure of reactant Z is greater.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

- Option 1 is circled.
The value of $K_{p}$ is less than 1. At equilibrium, the partial pressure of the reactant is greater than the partial
pressure of the product.

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