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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) hArr 2NH_(3) (g), Delta H^(0) f = - 46 "kj/mol"`
The most favorable 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. Iron oxide catalyst with small amounts of `K_(2) O // AI_2 O_3` as promoter
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