$$\ce{XY2 -> X + Y2} \hskip{2em} \Delta H^\circ = \pu{50 kJ/mol_{rxn}}$$
The equation above represents the decomposition of a compound \(\ce{XY2}\). The reaction is thermodynamically favorable under standard conditions at 298 K. Therefore, the value of \(\Delta S^\circ\) for the reaction must be