The Haber Process

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  • Created by: HLeiper
  • Created on: 17-04-14 15:44
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  • The Haber Process
    • Nitrogen for the air and Hydrogen from natural gas or cracking of hydrocarbons make ammonia
    • Uses
      • Ammonia is used to make nitric acid
      • react with nitric acid to get fertilisers - plants need protein
      • if soil isn't fertile - ammonium nitrate is used
    • Process
      • Pressure at 200 atmospheres because forward reaction favours it - best % yield
      • Forward reaction exothemic so temp at 450 degrees to stop the equilibrium going the wrong way but reaction is still fast
      • Ammonia gas formed - cooled, liquifies and removes
      • Iron catalyst makes reaction faster
      • Unused N2 and H2 recycled


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