Consider the following reaction at equilibrium. What effect will adding 10.0 g of graphite have on the system?
CO₂(g) + C(graphite) ⇌ 2CO(g)
a. The equilibrium constant will decrease.
b. The equilibrium constant will increase.
c. The reaction will shift to the left in the direction of reactants.
d. The reaction will shift to the right in the direction of products.
e. No effect will be observed.