what-is-the-primary-concept-of-entropy-as-it-relates-to-the-second-law-of-thermo

Question

What is the primary concept of entropy as it relates to the second law of thermodynamics?

Accepted Answer

Entropy is the measure of disorder or randomness in a system.

Answer

Entropy is the measure of energy in a system that is available to do work.

Answer

Entropy is the measure of the total energy of a system.

Answer

Entropy is the energy required to change a substance from one phase to another.