The Standard Enthalpy of Formation of Gaseous Water Is -241

The standard enthalpy of formation of gaseous water is -241.82 kJ.mol^-1 at 298 K.Estimate this value at 370 K.The molar heat capacities of hydrogen,oxygen,and gaseous water are 28.82,29.36,and 33.58 J.K^-1 .mol^-1

A) (-241.82 kJ.mol^-1 )
B) (-243.25 kJ.mol^-1 )
C) (-242.54 kJ.mol^-1 )
D) (-240.39 kJ.mol^-1 )
E) (-241.10 kJ.mol^-1 )