In a Chemical Reaction at Constant Temperature,the Addition of a Catalyst

Multiple Choice

In a chemical reaction at constant temperature,the addition of a catalyst

A) provides an alternative reaction pathway with a different activation energy.
B) increases the concentration of the products at equilibrium.
C) affects the equilibrium constant.
D) increases the fraction of molecules with more than a given kinetic energy.
E) decreases the energy released in the chemical reaction.