In the manufactore of ammonia by Haber's process, write the flow chart and chemical equations with optimum conditions.

Explanation

Principle : Ammonia is manufacture by laber.s process by the direct combination of nitrogen and hydrogen `N_2 + 3H_2 hArr NH_3 `
Process : Compression: A mixture of pure acid of nitrogen and hydrogen in the ratio 1:3 by compressed to 200 atmosphere pressure .
Conversion : The conmpressed gases are passed through a converter. The converter contains finely divided catalyst (Fe) and little of molybdenum (Mo) promoter. is electrically heated to 773 K `(500^(@)C)` to start reaction. Nitrogen combines with hydrogen to form ammonia .
`N_2 + 3H_2 underset(Fe + Mo)overset(773K)hArr 2NH_4 , DeltaH =-ve`
This reaction being exothermic, the heat evolved maintains the required temperature and further heating is not required . About 15-20% of the mixture is converted to ammonia .