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Enthalpy of Sublimation
the energy required to convert one mole of a solid directly to the gaseous state
Sublimation
endothermic
Enthalpy of Fusion
the energy required to melt one mole of a solid substance at a temperature
Fusion
endothermic
Enthalpy of Vaporization
the energy required to vaporize one. Mole of a liquid substance at a temperature
Vaporization
endothermic
Deposition process
-(Enthalpy of Sublimation)
deposition
exothermic