• The Haber cycle reaction of gaseous nitrogen and hydrogen to form ammonia is a critical step in the production of fertilizer from ammonia.
  • It is important to have an excess of the starting materials so that a maximum yield of ammonia can be achieved.
  • By knowing how much ammonia is needed for manufacture of a batch of fertilizer, the proper amounts of nitrogen and Hydrogen gases can be incorporated into the process.
  • The ideal gas law is used to calculate stoichiometry problems for gases.
  • It can be used to solve problems for reactions that occur at any temperature and pressure.
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