蒸じょう発はつ熱ねつ

noun

heat of evaporation; evaporation heat

Scientific term for the thermal energy required to change a liquid into vapor at a given temperature.

• 水みずの蒸じょう発はつ熱ねつは約やく40.8 kJ/molです。

  The heat of evaporation of water is about 40.8 kJ/mol.