For the reaction, ${X_2}{O_{4\left( l \right)}}\,\, \to \,\,2X{O_{2(g)}}$ $\Delta $U = 2.1 kcal, $\Delta $S = 20 cal K$-$1 at 300 K

Question

For the reaction, ${X_2}{O_{4\left( l \right)}}\,\, \to \,\,2X{O_{2(g)}}$
$\Delta $U = 2.1 kcal, $\Delta $S = 20 cal K^$-$1 at 300 K

2.7 kcal