In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

Q: The Enthalpy of vaporization , also called the latent heat of vaporization is the change in the enthalpy needed to change an amount of liquid into a gas .

A: The enthalpy of vaporization , ( symbol " H " ) also known as the ( latent ) heat of vaporization or heat of evaporation , is the amount of energy ( enthalpy ) that must be added to a liquid substance , to transform a quantity of that substance into a gas .
****
Q: The most important is the Constitution of the Commonwealth of Australia .

A: The most important is the Constitution of the Commonwealth of Australia , which is referred to as the " Constitution " in the remainder of this article .
****
Q: In a graph where all the edges have the same weight , every tree is a minimum spanning tree .

A:
There may be several minimum spanning trees of the same weight ; in particular , if all the edge weights of a given graph are the same , then every spanning tree of that graph is minimum .
****