5. Which statements are correct? I. The activation energy of a reaction is not affected by temperature. II. A catalyst reduces the enthalpy change of a reaction. III. Catalysts provide alternative reaction pathways.
(A) I and II only
(B) I and III only
(C) II and III only
(D) I, II and III
(A) I and II only
(B) I and III only
(C) II and III only
(D) I, II and III
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統計: A(0), B(3), C(0), D(0), E(0) #3217451
統計: A(0), B(3), C(0), D(0), E(0) #3217451