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In the manufacture of ammonia by Haber's...

In the manufacture of ammonia by Haber's process. Write the flow chart and chemical equations with optimum conditions.

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`N_2(g) + 3H_2(g) The most favourable conditions according to Le-Chatelier.s principle :
1. The temperature is about 770K (low temp).
2. The pressure is about `200 xx 10^5` Pa (high pressure).
3. Tron oxide catalyst with small amounts of `K_2O//AI_2O_3` as promoter.
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