energy needed to change a material from a liquid to a gas... its 3 words
Is this for a puzzle? how many letters in each word would help. Try heat of vaporization.
18 letters
To find the answer to your question, "energy needed to change a material from a liquid to a gas," you can consider the term "heat of vaporization." Heat of vaporization is the amount of energy required to transform a substance from its liquid phase to its gaseous phase at a constant temperature and pressure. It is measured in joules per mole (J/mol) or calories per gram (cal/g).
In terms of word count and letters, "heat of vaporization" consists of three words and a total of 18 letters.