Write the reaction equation: N2 → NH3 → NH4CL → NH3 → (NH4) 2SO4

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

2) NH3 + HCl → NH4Cl (compound reaction; ammonia, hydrochloric acid, ammonium chloride);

3) NH4Cl + NaOH → NH3 + NaCl + H2O (exchange reaction; ammonium chloride, sodium hydroxide, ammonia, sodium chloride, water);

4) 2NH3 + H2SO4 → (NH4) 2SO4 (compound reaction; ammonia, sulfuric acid, ammonium sulfate).

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