| http://www.w3.org/ns/prov#value | - In statistical physics [31], the free-energy difference ??F=??E???Q=W measures the amount of available work W by subtracting the heat Q from the total change in energy ??E. The crucial physical intuition is that heat is a form of energy that we have uncertainty about, for example, we do not know the exact trajectories of all gas particles at temperature ??.
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