Write the reaction equation: N2-NH3- (NH4) 2SO4-NH4OH-NH3

1) N2 + 3H2 → 2NH3 (compound reaction; nitrogen, hydrogen, ammonia);

2) 2NH3 + H2SO4 → (NH4) 2SO4 (compound reaction; ammonia, sulfuric acid, ammonium sulfate);

3) (NH4) 2SO4 + 2NaOH → 2NH4OH + Na2SO4 (exchange reaction; ammonium sulfate, sodium hydroxide, ammonium hydroxide, sodium sulfate);

4) NH4OH → NH3 + H2O (decomposition reaction; ammonium hydroxide, ammonia, water).

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