Question

For the balanced chemical equation shown below, what are the coefficients in order from reactants to products? nh3 + o2 → no + h2o

Answer 1

The answer is coefficient of reactant is 4,3  and product is 4,2

Balance chemical is as follows:

4NH₃ + 3O₂ ------>4NO+ 2H₂O  

So the coefficient of reactant is 4,3

While that of product is 4,2

So the answer is coefficient of reactant is 4,3  and product is 4,2

Answer 2

Explanation:

A chemical reaction equation that contains same number of atoms on both reactant and product side is known as a balanced chemical equation.

For example, $NH_{3} + O_{2} \rightarrow NO + H_{2}O$

Number of atoms present on  reactant side are as follows.

N = 1

H = 3

O = 2

Number of atoms present on product side are as follows.

N = 1

H = 2

O = 2

Hence, in order to balance this equation we multiply $NH_{3}$ by 2 and $O_{2}$ by $\frac{5}{2}$ on reactant side. Whereas multiply NO by 2 and $H_{2}O$ by 3 on product side.

Therefore, the balanced chemical reaction equation is as follows.

      $2NH_{3} + \frac{5}{2}O_{2} \rightarrow 2NO + 3H_{2}O$

So, coefficients of reactants are 2 and $\frac{5}{2}$. On the other hand, coefficients of products are 2 and 3.