What does a catalyst do in a chemical reaction?
Answer and explanation
Correct answer: A. It speeds up the reaction by lowering the activation energy, without being consumed
- Step 1: A catalyst offers a path with lower activation energy. Step 2. It is regenerated at the end. Answer: lowers activation energy, not consumed. Why not the others: a reagent is consumed, the equilibrium constant is unchanged, and the catalyst does not supply energy.
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