The synthesis of nitrogen trihydride from nitrogen gas and hydrogen gas is shown by which balanced chemical equation?

Responses
A N2(g) + H2(g) → NH3(g)N 2(g) + H 2(g) → NH 3(g)
B N2(g) + 3H2(g) → 2NH3(g)N 2(g) + 3H 2(g) → 2NH 3(g)
C 2NH3(g) + 3H2(g) → N2(g)2NH 3(g) + 3H 2(g) → N 2(g)
D 2NH3(g) → N2(g) + 3H2(g)

B N2(g) + 3H2(g) → 2NH3(g)N 2(g) + 3H 2(g) → 2NH 3(g)