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← ScienceWhich 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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