In any system, the total energy includes usable and unusable energy. The unusable energy is a measure of the disorder of the system and is referred to as

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The measure of disorder in a system is referred to as entropy, which is a form of unusable energy. Free energy (A) is the energy available to do work, while enthalpy (C) is the total heat content of the system. Thermodynamics (D) is the study of the relationships between energy and work. Equilibrium (E) refers to a state in which opposing forces or influences are balanced.

In Any System, the Total Energy Includes Usable and Unusable