What amount of thermal energy (in kJ) is required to convert 27.0 g of ethanol at -158 °C completely to gaseous ethanol at 85 °C? The melting point of ethanol is -114 °C and its normal boiling point is 78 °C.
The heat of fusion of ethanol is 5.0 kJ mol-1
The heat of vaporization of ethanol at its normal boiling point is 35.0 kJ mol-1
The specific heat capacity of solid ethanol is 1.05 J g-1 °C-1
The specific heat capacity of liquid ethanol is 2.44 J g-1 °C-1
The specific heat capacity of gaseous ethanol is 1.01 J g-1 °C-1
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