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General Chemistry

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Moderate

Equilibrium of a Gaseous Exothermic Reaction

CHEM-BEYPYG

Consider the following exothermic reaction in a sealed rigid container at equilibrium.

$$\textrm{PCl}_3 (g)+ \textrm{Cl}_2 (g) \rightleftharpoons \textrm{PCl}_5 (g)$$
Which of the following statements are true? Select ALL that apply.

A

Addition of $\textrm{PCl}_3$ to the container will shift the equilibrium toward the formation of more $\textrm{PCl}_5$.

B

An increase in temperature will shift the equilibrium toward formation of more $\textrm{PCl}_3$.

C

A decrease in the volume of the container will shift the equilibrium toward formation of more $\textrm{PCl}_3$.

D

Addition of $\textrm{He}_{(g)}$ will have no effect on the equilibrium position.

E

Removal of $\textrm{PCl}_5$ from the container will shift the equilibrium toward the formation of more $\textrm{PCl}_3$.