Question

The following phase diagram shows how a catalyst affected the rate of a reaction.

http://lh3.ggpht.com/Ox8xrZomJnbAhbeltCnkIGgt1BPi21zgIxOpr3vPK1vvnP9XHZR6y74we_2cNs6d71OL3g=s92

Which statement below best describes how the catalyst affected the reaction shown in this diagram? (2 points)

1) The catalyst decreased the activation energy of the reactants.

2) The catalyst increased the activation energy of the reactants.

3) The catalyst increased activation energy of the products.

4) The catalyst decreased activation energy of the products.

Answer 1

this is basically asking you the definition of a catalyst