Heat of Vaporization : The energy required to cause a change of phase, liquid to gas, at constant temperature per unit mass. Heavy Water : Water in which Deuterium replaces Hydrogen, D20.
(The energy; required; ) (The energy; to cause; a change of phase, liquid to gas) (Water; replaces; Hydrogen)
The energy The energy Water
required to cause replaces
a change of phase, liquid to gas
Hydrogen