Calculate $\Delta$ G ^$\circ$ for the Reaction 3NO₂(g) + H₂O(l) $\rarr$ 2HNO₃(l) + NO(g)

Multiple Choice

Calculate $\Delta$ G ^$\circ$ for the reaction 3NO₂(g) + H₂O(l) $\rarr$ 2HNO₃(l) + NO(g) . $\begin{array}{lc}&\Delta \mathrm{G}^{\circ}_\mathrm{f}(\mathrm{~kJ} / \mathrm{mol}) \\\hline\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) & -237.2 \\\mathrm{HNO}_{3}(\mathrm{l}) & -79.9 \\\mathrm{NO}{(\mathrm{g}}) & 86.7 \\\mathrm{NO}_{2}(\mathrm{g}) & 51.8\end{array}$

A) 8.7 kJ/mol
B) 192 kJ/mol
C) -414 kJ/mol
D) -192 kJ/mol
E) -155 kJ/mol