Chemistry 0620 · IGCSE · Reversible reactions and equilibrium

Reversible reactions and equilibrium — practice question

Within the Haber process, nitrogen is combined with hydrogen to form ammonia. $\text{N}_2(\text{g}) + 3\text{H}_2(\text{g}) \rightleftharpoons 2\text{NH}_3(\text{g})$ This forward reaction gives out heat. Which conditions will give the highest yield of ammonia?

  • Ahigh pressure, high temperature
  • Bhigh pressure, low temperature
  • Clow pressure, high temperature
  • Dlow pressure, low temperature

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