Consider the Following Reaction at Equilibrium

Multiple Choice

Consider the following reaction at equilibrium.What effect will adding a catalyst have on the system?
CO₂(g) + 2 H₂O(l) ⇌ CH₄(g) + 2 O₂(g) ΔH° = +890 kJ

A) The reaction will shift to the left in the direction of reactants.
B) The equilibrium constant will decrease.
C) The equilibrium constant will increase.
D) The reaction will shift to the right in the direction of products.
E) No effect will be observed.