The reaction for the formation of ammonia by direct combination is:
N2(g) + 3H2(g) ⇌ 2NH3(g) ∆H = –92kJ
Which operation will increase the yield of ammonia in the equilibrium mixture?
A. Doubling the concentration of hydrogen
B. Reducing the total pressure
C. Raising the temperature
D. Increasing the reaction time
E. Adding a catalyst
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