The heat of vaporization is the amount of energy given off when a gas liquifies (or the amount of energy needed to vaporize the liquid).
(The heat of vaporization; is; the amount of energy given off) (the amount of energy; given off; T:when a gas liquifies (or the amount of energy) (a gas; liquifies; ) (energy; needed; to vaporize the liquid)
The heat of vaporization the amount of energy a gas energy
is given off liquifies needed
the amount of energy given off
T:when a gas liquifies (or the amount of energy
to vaporize the liquid