Complete and balance the following half-reaction in acidic solution

Question

N2(g) -> NH4^+(aq)

Answer 1

N₂(g) ==> NH₄⁺(aq) ... unbalanced

N₂(g) ==> 2NH₄⁺(aq) ... balanced for N

N₂(g) + 8H⁺(aq) ==> 2NH₄⁺(aq) ... balanced for N and H using acid

N₂(g) + 8H⁺(aq) + 6e- ==> 2NH₄⁺(aq) ... balanced for N, H and charge = balanced half reaction