# Question 1b175

##### 1 Answer
Dec 30, 2017

One way is to use the Ostwald process used in industry of nitric acid manufacturing.

#### Explanation:

First, you would need to oxidize ammonia ($N {H}_{3}$). This process is exothermic and is also reversible. This can be modeled by the following equation

4NH_3+5O_2⇌4NO+6H_2O

This gives you nitric oxide gas ($N O$), which comes out very hot, so it would be a good idea to cool it down, to about $150$ degrees celsius. After further cooling, it gets oxidized to nitrogen dioxide ($N {O}_{2}$).

2NO+O_2⇌2NO_2#

After that, water is poured over the nitrogen dioxide gas and nitric acid is obtained.

$3 N {O}_{2} + {H}_{2} O \to 2 H N {O}_{3} + N O$, where nitric acid is $H N {O}_{3}$.