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Which mechanism accelerates reactant conversion under constant volume conditions?

A)Introducing a suitable catalyst species
B)Decreasing system internal temperature
C)Lowering activation energy barrier
D)Reducing rate constant dependencies

💡 Explanation

Introducing a catalyst lowers the activation energy via **catalysis**, increasing successful collision frequency, because the reaction rate increases under catalysis, therefore conversion accelerates rather than via temperature decreases, which slow reactions.

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