Under What Conditions Does Changing the Pressure Have No Effect

question 138

Multiple Choice

Under what conditions does changing the pressure have no effect upon the position of equilibrium?
I. When the total pressure is changed by adding an inert gas.
II. When the total number of moles of gas on the reactant side equals the total number of moles of gas on the product side.
III. When all substances present at equilibrium are aqueous phases.

• A) I only
• B) II only
• C) III only
• D) I and II
• E) all of these

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