Interaction | Reaction | Process     Data Page

The equilibrium reaction between hydrogen and nitrogen to give ammonia catalysed by iron, the Haber ammonia synthesis, is a much studied and important process.

There are 4 moles on the left and two on the right, therefore the production of ammonia is favored by high pressure. However, the negative enthalpy of reaction, -92 kJ/mol, shows the reaction to be exothermic and high yield of ammonia is favoured by low temperatures.

3
H2
  +  
N2
  +  
Fe
        
2
NH3
Reactant Page Go To Go To
Hydrogen     Reactions Using    Reactions Forming
Nitrogen     Reactions Using    Reactions Forming
Iron Catalyst    Reactions Using    Reactions Forming
Ammonia     Reactions Using    Reactions Forming

Interaction, Reaction, Process defined as:
British A-Level Chemistry: AS
Redox

© Mark R. Leach 1999 –

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