Nernst Heat Theorem

Nernst heat theorem

[′nernst ′hēt ‚thir·əm] (thermodynamics) The theorem expressing that the rate of change of free energy of a homogeneous system with temperature, and also the rate of change of enthalpy with temperature, approaches zero as the temperature approaches absolute zero.

Nernst Heat Theorem

a theorem of thermodynamics formulated by W. Nernst in 1906. According to the theorem, the entropy change (ΔS) approaches zero for any reversible isothermal process that occurs between two equilibrium states as the temperature T approaches absolute zero:

An equivalent formulation of the Nernst heat theorem is that it is impossible to attain a temperature equal to absolute zero with the aid of a finite sequence of thermodynamic processes.

The Nernst heat theorem leads to a number of important thermodynamic corollaries; for this reason, it is often called the third law of thermodynamics.

单词	nernst heat theorem
释义	Nernst heat theorem Nernst heat theorem (nɛənst) n (Chemistry) the principle that reactions in crystalline solids involve changes in entropy that tend to zero as the temperature approaches absolute zero. See law of thermodynamics¹ Nernst Heat Theorem Nernst heat theorem [′nernst ′hēt ‚thir·əm] (thermodynamics) The theorem expressing that the rate of change of free energy of a homogeneous system with temperature, and also the rate of change of enthalpy with temperature, approaches zero as the temperature approaches absolute zero. Nernst Heat Theorem a theorem of thermodynamics formulated by W. Nernst in 1906. According to the theorem, the entropy change (ΔS) approaches zero for any reversible isothermal process that occurs between two equilibrium states as the temperature T approaches absolute zero: An equivalent formulation of the Nernst heat theorem is that it is impossible to attain a temperature equal to absolute zero with the aid of a finite sequence of thermodynamic processes. The Nernst heat theorem leads to a number of important thermodynamic corollaries; for this reason, it is often called the third law of thermodynamics. ThesaurusSeethird law of thermodynamics
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