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An equilibrium mixture (container D) is at 75°C. Which of the following changes may increase the amount of the HCl in the container?

An equilibrium mixture (container D) is at 75°C. Which of the following changes may increase the amount of the HCl in the container? Correct Answer Increasing the volume of the container

A-An increase in volume will cause an equilibrium to shift toward the side with more gas. There are four gas molecules on the left side and five gas molecules on the right side; therefore, an increase in volume will result in a shift to the right, which increases the amount of HCl (and O2). B will have the opposite effect. Cooling an endothermic equilibrium will cause a shift to the left, which will decrease the amount of HCl. D will yield no change because helium is not part of the equilibrium.

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