Which of the following statements about a catalyst is true? (A) A catalyst makes

Question

Which of the following statements about a catalyst is true? (A) A catalyst makes an endothermic reaction exothermic. (B) A catalyst reduces the amount of product increasing the reaction rate. (C) A catalyst increases the energy of the reactants. (D) A catalyst lowers the activation energy of a reaction. Which of the following statements about a catalyst is true? (A) A catalyst makes an endothermic reaction exothermic. (B) A catalyst reduces the amount of product increasing the reaction rate. (C) A catalyst increases the energy of the reactants. (D) A catalyst lowers the activation energy of a reaction. Which of the following statements about a catalyst is true? (A) A catalyst makes an endothermic reaction exothermic. (B) A catalyst reduces the amount of product increasing the reaction rate. (C) A catalyst increases the energy of the reactants. (D) A catalyst lowers the activation energy of a reaction.

Explanation / Answer

(A) A catalyst makes an endothermic reaction exothermic. (False)

(B) A catalyst reduces the amount of product increasing the reaction rate. (False)

(C) A catalyst increases the energy of the reactants. (False)

(D) A catalyst lowers the activation energy of a reaction. (True, due to this reaction rate increase)

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