Which of the following statements about a catalyst is true? (A) A catalyst makes
ID: 103918 • Letter: W
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)