Which of the following statements concerning the action of a catalyst are true? Select all that apply.
A) Catalysts alter the enthalpy change of a reaction.
B) Catalysts are normally consumed during the course of a reaction.
C) Catalysts provide an alternative mechanism for the reaction.
D) Catalysts do not take part in the reaction that they speed up.
E) Catalysts lower the activation energy of a reaction.

Question

Quizplus · Accepted Answer

Catalysts provide an alternative reaction pathway with a lower activation energy, which speeds up the reaction without being consumed in the process.

Which of the Following Statements Concerning the Action of a Catalyst