Consider the following exothermic reaction. Which of the conditions will increase the value of the equilibrium constant, Kc?
4 NH3(g) + 5 O2(g) ⇌ 4 NO(g) + 6 H2O(g)
a) adding more NH3
b) decreasing the temperature
c) adding a catalyst
d) increasing the system volume
e) all of the above is correct