A thermodynamic free entropy is an entropic thermodynamic potential analogous to the free energy. Also known as a Massieu, Planck, or Massieu–Planck potentials...
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of heat) such that the total entropy change of the universe is greater than or equal to zero, making the total Gibbs free energy change of the coupled...
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Negentropy (redirect from Negative entropy)
to normality. It is also known as negative entropy or syntropy. The concept and phrase "negative entropy" was introduced by Erwin Schrödinger in his...
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Entropic force Entropic value at risk Entropy and life Entropy unit Free entropy Harmonic entropy Info-metrics Negentropy (negative entropy) Phase space...
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"Physical Chemistry" McGraw-Hill: University of Brooklyn. "4.3 Entropy, Helmholtz Free Energy and the Partition Function". theory.physics.manchester.ac...
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energy. The Gibbs free energy is given by G = H − TS, where H is the enthalpy, T is the absolute temperature, and S is the entropy. H = U + pV, where...
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Black hole thermodynamics (redirect from Black hole entropy)
law of thermodynamics requires that black holes have entropy. If black holes carried no entropy, it would be possible to violate the second law by throwing...
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construction of free dimension is free entropy. The relation of free probability with random matrices is a key reason for the wide use of free probability...
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Second law of thermodynamics (redirect from Law of Entropy)
process." The second law of thermodynamics establishes the concept of entropy as a physical property of a thermodynamic system. It predicts whether processes...
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It can also be understood to be the infinitesimal form of the relative entropy (i.e., the Kullback–Leibler divergence); specifically, it is the Hessian...
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thermodynamics, a temperature–entropy (T–s) diagram is a thermodynamic diagram used to visualize changes to temperature (T ) and specific entropy (s) during a thermodynamic...
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In information theory, the entropy of a random variable quantifies the average level of uncertainty or information associated with the variable's potential...
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define a group of physical quantities, such as temperature, energy, and entropy, that characterize thermodynamic systems in thermodynamic equilibrium....
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Non-equilibrium thermodynamics (redirect from Law of Maximum Entropy Production)
be done locally, and the macroscopic entropy will then be given by the integral of the locally defined entropy density. It has been found that many systems...
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{A}{T}},} where Φ {\displaystyle \Phi } is Helmholtz free entropy, S {\displaystyle S} is entropy, U {\displaystyle U} is internal energy, T {\displaystyle...
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Walther Nernst. It also led to a mathematical formulation of the concept of entropy by Clausius and to the introduction of laws of radiant energy by Jožef...
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Isothermal process (section Entropy changes)
change in entropy of the system is the same as in the reversible process and is given by the formulas above. Note that the result Q = 0 for the free expansion...
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intensive quantities (such as pressure, temperature, specific volume, specific entropy) of the system at any instant during the whole process; otherwise, since...
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the system, The subscripts mean that the derivative is taken at fixed entropy ( S {\displaystyle S} ) and particle number ( N {\displaystyle N} ). The...
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Carnot cycle (section The temperature–entropy diagram)
converted to the work done by the system. The cycle is reversible, and entropy is conserved, merely transferred between the thermal reservoirs and the...
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Y Entropy S J/K Y Temperature T Y (entropic) Specific entropy s J/(kg K) Y Fugacity f N/m2 Y Gibbs free energy G J Y Y Specific Gibbs free energy...
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deals with heat, work, and temperature, and their relation to energy, entropy, and the physical properties of matter and radiation. The behavior of these...
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including the macroscopic entropy, though microscopically referable to the Gibbs statistical mechanical definition of entropy for the canonical ensemble...
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Kullback–Leibler divergence (redirect from Kullback–Leibler entropy)
statistics, the Kullback–Leibler (KL) divergence (also called relative entropy and I-divergence), denoted D KL ( P ∥ Q ) {\displaystyle D_{\text{KL}}(P\parallel...
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capable of returning to its initial state. Because entropy is a state function, the change in entropy of the system is the same whether the process is reversible...
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state 1 using the equations listed. ^ a. In an isentropic process, system entropy (S) is constant. Under these conditions, p1V1γ = p2V2γ, where γ is defined...
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Free energy Free entropy Internal energy U ( S , V ) {\displaystyle U(S,V)} Enthalpy H ( S , p ) = U + p V {\displaystyle H(S,p)=U+pV} Helmholtz free...
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Virtual Laboratory of the Max Planck Institute for the History of Science Free scores by Hermann von Helmholtz at the International Music Score Library...
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Look up entropy in Wiktionary, the free dictionary. Entropy is a scientific concept that is most commonly associated with a state of disorder, randomness...
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