14. N2(g) + 3H2(g) ⇌ 2NH3(g) ; ΔH° = -92.22 kJ•mol-1
Which change would decrease the Keq in the above reaction?
A. Adding an iron catalyst.
B. Decreasing the volume of the vessel.
C. Injecting H2 gas.
D. Cooling ammonia gas into a liquid.
E. Increasing the temperature.