Are the following aspects of a catalyzed reaction different from the uncatalyzed reaction?

Question

Are these aspects different in a catalyzed reaction?

1. The mechanism

2. ΔE rxn

3. The overall equation

Answer 1

The way that a catalyst works is by decreasing the activation energy of the reaction. The way in which this is accomplished is by providing an alternate mechanism. So, of the choices given in this question, the ones that are different from the uncatalyzed reaction would be:

1. the mechanism and
2. the ∆E of the reaction