Which two substances are used as promoters in manufacture of ammonia gas by Haber's process ?Answer the given question in brief.
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On an industrial scale, ammonia is prepared by Haber’s process. The constituents of ammonia –N2&H2 combine in a ratio of 1:3.
1N2 + 3H2 ↔ 2NH3 ΔH = -92.2 KJ mol-1
1N2 + 3H2 ↔ 2NH3 ΔH = -92.2 KJ mol-1
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