Which of the Following Statements Concerning the Action of a Catalyst

Multiple Choice

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.