Question

multiple choice question
what is the term used to describe the energy of a system that is available to do work?
o enthalpy
o kinetic energy
o free energy
o entropy

Explanation:

Free energy is the energy in a system that can be used to do work. Enthalpy is a measure of total heat content of a system. Kinetic energy is energy of motion. Entropy is a measure of disorder in a system.

Answer:

C. Free energy