# What coefficients are required to balance N_2 + H_2 -> NH_3?

May 23, 2017

N_2+3H_2→2NH_3

#### Explanation:

N_2+H_2→NH_3

As written, there are $2$ $N$ atoms on the left and $1$ on the right, while there are $2$ $H$ atoms on the left and $3$ on the right.

Add a coefficient of 2 on the right:

N_2+H_2→2NH_3

Now there are $2$ $N$ atoms on both sides, but $2$ $H$ on the left and $6$ on the right. Add a coefficient of $3$ in front of the ${H}_{2}$.

N_2+3H_2→2NH_3

This is now a balanced equation.