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free energy

noun

, Thermodynamics.


free energy

noun

  1. a thermodynamic property that expresses the capacity of a system to perform work under certain conditions See Gibbs function Helmholtz function
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


free energy

  1. A thermodynamic quantity that is the difference between the internal energy of a system and the product of its absolute temperature and entropy. Free energy is a measure of the capacity of the system to do work. If its value is negative, the system will have a tendency to do work spontaneously, as in an exothermic chemical reaction. Free energy is measured in kilojoules per mole.
  2. Also called Gibbs free energy


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Example Sentences

While the latter potentially provides free energy anywhere, not all systems are reliable and it is often the slowest option.

Many of the borrowers were retired, according to officials, and many had incomes that put government free energy assistance programs — an alternative for some homeowners — just out of reach.

But Forrester blocked it; the splatter of free energy struck at the nearby trees, sending them crashing to the ground.

No wonder they hung around Durval's machines sucking up what free energy they could.

Thus the electromotive force is equal to the change of this free energy per electrochemical equivalent of reaction in the cell.

His physical vitality—his faculties of free energy, endurance, elasticity—was a superb endowment to begin with.

Another form in which to present these relations is to make a distinction between free energy and energy at rest.

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