In the Haber process for the synthesis of ammonia, what effects does the catalyst have?
a. Rate of formation of NH3(g): increases, Amount of NH3(g) formed: increases
b. Rate of formation of NH3(g): increases, Amount of NH3(g) formed: decreases
c. Rate of formation of NH3(g): increases, Amount of NH3(g) formed: no change
d. Rate of formation of NH3(g): no change, Amount of NH3(g) formed: increases