3. Which of the following terms refers to the amount of disorder in a system?

A. Inertia

B. Entropy

C. Enthalpy

D. Thermal Energy

B. Entropy

Explanation:

Entropy is a measure of the unavailable energy in a closed thermodynamic system that is also usually considered to be a measure of the system's disorder, that is a property of the system's state, and that varies directly with any reversible change in heat in the system and inversely with the temperature of the system;

broadly it is the degree of disorder or

uncertainty in a system