Answer
Please see the work below.
Work Step by Step
We know that the first equation is given as
$4NH_3+5O_2\rightarrow 4NO_2+6H_2O$
and the second chemical equation is given as
$NO(g)+\frac{3}{2}H_2O(g)\rightarrow +\frac{5}{2}O_2(g)$
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