Chemistry 9701 · AS & A Level · Reaction kinetics

Reaction kinetics — practice question

Ammonia is produced using the Haber process. Nitrogen and hydrogen are the reactants. $\text{N}_2(g) + 3\text{H}_2(g) \rightleftharpoons 2\text{NH}_3(g) \qquad \Delta H < 0$ What will make the forward reaction happen faster?

  • Aadding argon to the mixture but keeping the total volume constant
  • Bdecreasing the temperature
  • Cincreasing the total pressure by reducing the total volume at constant temperature
  • Dremoving ammonia as it is made but keeping the total volume of the mixture the same

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