The formation of ammonia from elemental nitrogen and hydrogen is an exothermic process.
N2(g)+3H2(g)--->2NH3(g) = -92.2KJ
Assuming the reaction is at equilibrium, which one of the following changes will drive the reaction to the left?
a) Adding hydrogen gas
b)Adding a catalyst
c) compress the volume to half
d) increasing the temperature
Answer: d