N2 (g) + 3H2 (g) ⇌ 2NH3 (g) ΔΗ = -92 kJ mol-1
(exothermic)
During this reaction, compromises are made to speed up and
maximise the production of ammonia.
i) Suggest why a moderate amount of pressure of around 200
atmospheres is used.
ii) Suggest why a moderate temperature of around 400oC is
used.
