For the reaction : <br> $X_2O_4 (l) \to 2XO_2 (g)$ <br> $\Delta U = 2.1 \; k \; cal, \; \Delta s = 20 \; cal \; K^{-1}$ at $300 K$

Question

( A ) -9.3 k cal
( B ) 2.7 k cal
( C ) 9.3 k cal
( D ) -2.7 k cal