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CH1012
DH DEFINITIONS
DHvap Enthalpy of vaporisation (heat of vaporisation) the amount of heat energy
required to vaporise 1 mol of liquid at 1 atm pressure.
DHfus Enthalpy of fusion (heat of fusion) the amount of heat energy required to melt 1 mol of solid at 1 atm pressure.
DHsub Enthalpy of sublimation
(heat of sublimation) the
amount of heat energy
required to vaporise
1 mol of solid at
1 atm pressure.