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

Practice Questions

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Shifts to the right
Shifts to the left
No effect
Increases the rate of reaction

Questions & Step-by-step Solutions

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

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

Steps: 5

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.

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

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