Question

Using half-reaction method, balance equation between Magnesium metal and Nitrogen gas.

Answer 1

magnesium + nitrogen gas $\to$ solid magnesium nitride

3Mg + N₂$\to$ Mg₃N₂

oxidation reaction

3Mg_(s) $\to$ 3Mg²⁺_(aq) + 6e^_

reduction reaction

N_2(g) + 6e^_ $\to$ 2N^3-_(aq)