Chemistry: Catalysts Multiple Choice Question

[tensirk]

Homework Statement

Which of the following are ways that catalysts can speed up reactions rates? You must check all answers that apply.
A.) Increase the activation energy.
B.) Decrease the energy of activation.
C.) Change the path of the reaction.
D.) Speedup the reaction without changing k.
E.) Increase the collision frequency.

Homework Equations

None?

The Attempt at a Solution

I believe B and E are definitely correct, but I am unsure of all of the other answers. Any guidance would be wonderful!

 

[zorro]

C is also correct. A catalyst offers a different path for the reaction.