first law of thermodynamics


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Related to first law of thermodynamics: 2nd law of thermodynamics

first law of thermodynamics

see THERMODYNAMICS.

first law of thermodynamics

law dealing with the transformation of energy. States that energy can neither be created nor destroyed, only converted from one form to another.
References in periodicals archive ?
The first law of thermodynamics for processes with finite speed was used to compute the power losses generated by the pressure losses.
This simple example illustrates the use of the first law of thermodynamics in the presence of fields (in the form of Equation (8)).
Their topics include the first law of thermodynamics, availability, postulatory or Gibbsian thermodynamics, state relationships for real gases and liquids, thermodynamic properties of pure fluids and mixtures, phase equilibrium for a mixture, stability, reaction direction and chemical equilibrium, analyzing availability for reacting systems, and thermodynamics and biological systems.
Computation of pressure losses, work losses, efficiency and power of processes revealed by the new PV/Px diagrams are made using the first law of thermodynamics for processes with finite speed.
The first law of thermodynamics (that is, the law of conservation of energy-see 1847) is an essentially optimistic law.