For the reaction given below, which of the following changes will not lead to an increase in the equilibrium amount of N2?
N2 (g) + 2H2 (g) ? N2H4 (g) ?H°rxn = 95.4 kJ/mol: *
a. Decreasing the temperature
b. Decreasing the volume
c. Removing H2
d. Adding N2H4