What is the effect of adding an inert gas at constant volume on the equilibrium

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Question: What is the effect of adding an inert gas at constant volume on the equilibrium of the reaction A(g) ⇌ B(g)?

Options:

Correct Answer: No effect

Solution:

Adding an inert gas at constant volume does not change the partial pressures of the reactants or products, hence no effect on equilibrium.

What is the effect of adding an inert gas at constant volume on the equilibrium of the reaction A(g) ⇌ B(g)?

What is the effect of adding an inert gas at constant volume on the equilibrium of the reaction A(g) ⇌ B(g)?

Step 1: Understand that the reaction A(g) ⇌ B(g) is at equilibrium, meaning the rates of the forward and reverse reactions are equal.
Step 2: Recognize that an inert gas is a gas that does not react with A or B.
Step 3: Know that adding an inert gas at constant volume means the total pressure of the system increases, but the volume does not change.
Step 4: Realize that the partial pressures of A and B depend only on their amounts and the volume, not on the presence of the inert gas.
Step 5: Conclude that since the partial pressures of A and B remain the same, the equilibrium position does not change.

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