The balanced chemical equation to manufacture ammonia by Haber's Process is:

Correct answer: D. N2 (g) + 3H2 (g) <=====> 2NH3 (g)

  • A. 3N2 (g) + 3H2 (g) <=====> 2NH3 (g)
  • B. N2 (g) + H2 (g) <=====> NH3 (g)
  • C. 3N2 (g) + H2 (g) <=====> 2NH3 (g)
  • D. N2 (g) + 3H2 (g) <=====> 2NH3 (g)

Explanation

Ammonia is synthesized in a process called Haber Process by Nitrogen (N2) and Hydrogen (H2) First of all, write the chemical equation for the formation of Ammonia N2 + H2 ---> NH3 Now balance the number of Nitrogen and Hydrogen on both sides N2 + 3H2 ---> 2NH3

This question appeared on the UHS MDCAT 2017 paper, which you can sit online with every answer explained.

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About Haber's Process

Haber's process produces ammonia by reacting nitrogen with hydrogen in a reversible, exothermic equilibrium. The topic covers the iron catalyst, operating temperature and pressure, Le Chatelier's principle, the compromise between reaction rate and equilibrium yield, and the removal and recycling of ammonia and unreacted gases.

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