4
QuizMultiple Choice

Enthalpy and Phase Changes

Question 4 • Foothill-B Period-Chemistry-26/27B

Which term is used to describe the amount of heat that is required to convert 1 mol of a liquid to a gas?

Answer
A
dew point
B
boiling point
C
molar heat of fusion
D
molar heat of vaporization

Explanation

The heat required to convert a liquid into a gas is called the heat of vaporization. When the amount is specified for 1 mol of substance, the term is molar heat of vaporization. The boiling point is the temperature at which boiling occurs, not the amount of heat required.

AI-written and checked against the verified answer.

Previous
Next