25. How much energy is required to heat 87.1 g acetone (molar mass = 58.08 g/mol) from a solid at

-154.0°C to a liquid at -42.0°C? The following physical data may be useful.

AHfus-7.27 kJ/mol

Cliq-2.16 J/gºC

Cgas = 1.29 J/gºC

Csol = 1.65 J/g°C

Tmelting - -95.0°C