What is the chemical equation of ammonium nitrate decomposition reaction? What does ammonium nitrate decompose into when heated?

2026-03-27 10:24:45

Ammonium nitrate pictures Image: Ammonium nitrate structural formula Ammonium nitrate is an ammonium salt, which is a colorless and odorless transparent crystal or a white crystal. It is very soluble in water, easy to absorb moisture and agglomerate, and absorbs a lot of heat when dissolved. It decomposes explosively by violent impact or heat, and decomposes in case of alkali. It is an oxidizing agent used in fertilizers and chemical raw materials. Depending on the decomposition temperature, there are various decomposition methods. The chemical equation for the decomposition reaction of ammonium nitrate is as follows: 1. Decomposition at 110 ° C: NH4NO3 = HNO3 + NH3 ↑ 2. 185 ° C~ 200 ° C decomposition: NH4NO3 = N2O ↑ + 2H2O 3. Above 230 ° C, with low light at the same time: 2NH4NO3 = 2N2 ↑ + O2 ↑ + 4H2O 4. Above 400 ° C, violent decomposition explodes: 4NH4NO3 = 3N2 ↑ + 2NO2 ↑ + 8H2O

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