Chapter 19, Problem 83AP

Consider the oxidation of ammonia:

${\text{4NH}}_{\text{3}}\left(g\right){\text{ + 3O}}_{\text{2}}\left(g\right)\underset{}{\to }{\text{2N}}_{\text{2}}\left(g\right){\text{ + 6H}}_2\text{O}\left(l\right)$

(a) Calculate the $\Delta G°$ for the reaction. (b) If this reaction were used in a fuel cell, what would the standard cell potential be?