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Which effect does introducing an inert gas at constant volume have on gaseous reaction at equilibrium?

A)Shifts equilibrium to increase moles
B)Increases the total forward reaction rate
C)Alters the partial pressures of reactants
D)Has no effect on the equilibrium

💡 Explanation

When an inert gas is added at constant volume, the partial pressures of the reacting gases remain unchanged because the total pressure increase doesn't affect the equilibrium constant, derived from partial pressures. Therefore no effect results, rather than shifting/altering the equilibrium, which requires changing reactant concentrations or temperature.

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