Write the reaction equation: (NH4) 2SO4— NH3— NO NO2

1. Decomposition in air at temperatures above 100 ° C.

(NH4) 2SO4 = NH4HSO4 + NH3.

2. Oxidation of ammonia at high temperature and pressure.

4NH3 + 5O2 = 4NO + 6H2O.

3. Oxidation of nitric oxide with oxygen.

2NO + O2 = 2NO2.

Water absorption and formation of nitric acid.

2NO2 + H2O = HNO3 + HNO2.

4. Reaction of copper and concentrated acid.

4HNO3 + Cu = Cu (NO3) 2 + 2NO2 + 2H2O.



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