Answer:
N₂ + 3H₂ → 2NH₃
Explanation:
Nitrogen react with hydrogen and form ammonia. The one mole of nitrogen gas react with two moles of hydrogen and form two moles of ammonia.
The oxidation state of nitrogen is -3 while that of hydrogen is +1. That's why two balance the charge one with one nitrogen atom three hydrogen atom react and with two nitrogen atom with a charge of -6 six hydrogen atoms are attached (+6).
Chemical equation:
N₂ + H₂ → 2NH₃
Balanced chemical equation;
N₂ + 3H₂ → 2NH₃