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Question

What is a Haber's process?


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Solution

  • The Haber process is used for the manufacture of ammonia gas.
  • In this process, molecular hydrogen combines with nitrogen gas from the air, in the presence of powdered iron and little amount of molybdenum at450°C and 200 atmospheric pressure to form ammonia gas.

N2g+3H2g450°C,200atmMo2NH3gAmmonia

  • This is an exothermic reaction i.e. heat evolved in this reaction. The heat evolved is 92.4kJ i.e. ΔH = - 92.4 kJ.


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