QuestionApril 19, 2026

How does a catalyst speed up a chemical reaction? A. by lowering the activation energy B. by lowering the AH of the reaction C. by raising the energy of the products D. by raising the energy of the reactants

How does a catalyst speed up a chemical reaction? A. by lowering the activation energy B. by lowering the AH of the reaction C. by raising the energy of the products D. by raising the energy of the reactants
How does a catalyst speed up a chemical reaction?
A. by lowering the activation energy
B. by lowering the AH of the reaction
C. by raising the energy of the products
D. by raising the energy of the reactants

Solution
4.4(281 votes)

Answer

A. by lowering the activation energy Explanation 1. Identify catalyst effect A catalyst speeds reaction by providing an alternative pathway with lower activation energy. 2. Eliminate incorrect options It does not change ΔH, or energy of products/reactants.

Explanation

1. Identify catalyst effect <br /> A catalyst speeds reaction by providing an alternative pathway with lower activation energy. <br />2. Eliminate incorrect options <br /> It does not change ΔH, or energy of products/reactants.
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