Which chemical equation correctly represents the decomposition reaction that takes place when ammonia breaks down to form hydrogen gas and nitrogen gas?ANH3 + H2 → N2BNH3 → N2 + H2CNH3 → NH2 + HDN2 + H2 → NH3?

The best option is B

B NH₃ → N₂ + H₂

The reaction for ammonia decomposition is given as

2NH₃ → N₂ + 3H₂

Explanation:

In catalytic decomposition of ammonia two molecules of ammonia (NH₃) are split into three  molecules of hydrogen (H₂) and one molecule of nitrogen (N₂) in a slightly  endothermic  reaction process as follows

2NH₃ → N₂ + 3H₂ with ΔH = 11 kcal/mol

Ammonia is known to decompose in the presence of platinum loaded titanium oxide photocatalyst and it should also be noted that at high temperatures  the rate of ammonia decomposition is appreciable in the process of carbonitriding

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the answer is 0.8m.

by: nicholas