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Entropy (energy dispersal), the Glossary

Index Entropy (energy dispersal)

In thermodynamics, the interpretation of entropy as a measure of energy dispersal has been exercised against the background of the traditional view, introduced by Ludwig Boltzmann, of entropy as a quantitative measure of disorder.[1]

Table of Contents

  1. 38 relations: Arieh Ben-Naim, Biology, Boltzmann distribution, Boltzmann equation, Boltzmann's entropy formula, Bouncing ball, Chemical reaction, Chemistry, Chemistry World, Daniel F. Styer, Edward A. Guggenheim, Edwin Thompson Jaynes, Energy, Energy level, Entropy, Entropy (order and disorder), Entropy of mixing, First law of thermodynamics, Frank L. Lambert, Harvey S. Leff, Heat, Introduction to entropy, Kinetic energy, Lord Kelvin, Ludwig Boltzmann, Microstate (statistical mechanics), Order and disorder, Peter Atkins, Product (chemistry), Quantum field theory, Quantum mechanics, Reagent, Second law of thermodynamics, Statistical mechanics, Thermodynamic equilibrium, Thermodynamic system, Thermodynamic temperature, Thermodynamics.

  2. Thermodynamic entropy

Arieh Ben-Naim

Arieh Ben-Naim (אריה בן-נאים; Jerusalem, 11 July 1934) is a professor of physical chemistry who retired in 2003 from the Hebrew University of Jerusalem.

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Biology

Biology is the scientific study of life.

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Boltzmann distribution

In statistical mechanics and mathematics, a Boltzmann distribution (also called Gibbs distribution Translated by J.B. Sykes and M.J. Kearsley. See section 28) is a probability distribution or probability measure that gives the probability that a system will be in a certain state as a function of that state's energy and the temperature of the system.

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Boltzmann equation

The Boltzmann equation or Boltzmann transport equation (BTE) describes the statistical behaviour of a thermodynamic system not in a state of equilibrium; it was devised by Ludwig Boltzmann in 1872.

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Boltzmann's entropy formula

In statistical mechanics, Boltzmann's equation (also known as the Boltzmann–Planck equation) is a probability equation relating the entropy S, also written as S_\mathrm, of an ideal gas to the multiplicity (commonly denoted as \Omega or W), the number of real microstates corresponding to the gas's macrostate: where k_\mathrm B is the Boltzmann constant (also written as simply k) and equal to 1.380649 × 10−23 J/K, and \ln is the natural logarithm function (or log base e, as in the image above). Entropy (energy dispersal) and Boltzmann's entropy formula are thermodynamic entropy.

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Bouncing ball

The physics of a bouncing ball concerns the physical behaviour of bouncing balls, particularly its motion before, during, and after impact against the surface of another body.

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Chemical reaction

A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another.

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Chemistry

Chemistry is the scientific study of the properties and behavior of matter.

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Chemistry World

Chemistry World is a monthly chemistry news magazine published by the Royal Society of Chemistry.

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Daniel F. Styer

Daniel F. Styer (born 1955) is an American theoretical physicist and distinguished professor of physics at Oberlin College.

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Edward A. Guggenheim

Edward Armand Guggenheim FRS (11 August 1901 – 9 August 1970) was an English physical chemist, noted for his contributions to thermodynamics.

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Edwin Thompson Jaynes

Edwin Thompson Jaynes (July 5, 1922 – April 30, 1998) was the Wayman Crow Distinguished Professor of Physics at Washington University in St. Louis.

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Energy

Energy is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat and light.

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Energy level

A quantum mechanical system or particle that is bound—that is, confined spatially—can only take on certain discrete values of energy, called energy levels.

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Entropy

Entropy is a scientific concept that is most commonly associated with a state of disorder, randomness, or uncertainty.

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Entropy (order and disorder)

In thermodynamics, entropy is often associated with the amount of order or disorder in a thermodynamic system. Entropy (energy dispersal) and entropy (order and disorder) are thermodynamic entropy.

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Entropy of mixing

In thermodynamics, the entropy of mixing is the increase in the total entropy when several initially separate systems of different composition, each in a thermodynamic state of internal equilibrium, are mixed without chemical reaction by the thermodynamic operation of removal of impermeable partition(s) between them, followed by a time for establishment of a new thermodynamic state of internal equilibrium in the new unpartitioned closed system. Entropy (energy dispersal) and entropy of mixing are thermodynamic entropy.

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First law of thermodynamics

The first law of thermodynamics is a formulation of the law of conservation of energy in the context of thermodynamic processes.

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Frank L. Lambert

Frank L. Lambert (July 10, 1918 – December 28, 2018) was an American academic who was Professor Emeritus of Chemistry at Occidental College, Los Angeles.

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Harvey S. Leff

Harvey S. Leff (July 24, 1937 – December 30, 2023) was an American physicist and physics teacher who is known primarily for his research and expository articles in physics, focusing on energy, entropy, Maxwell's demon, and the foundations of thermodynamics.

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Heat

In thermodynamics, heat is the thermal energy transferred between systems due to a temperature difference.

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Introduction to entropy

In thermodynamics, entropy is a numerical quantity that shows that many physical processes can go in only one direction in time. Entropy (energy dispersal) and Introduction to entropy are thermodynamic entropy.

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Kinetic energy

In physics, the kinetic energy of an object is the form of energy that it possesses due to its motion.

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Lord Kelvin

William Thomson, 1st Baron Kelvin, (26 June 182417 December 1907) was a British mathematician, mathematical physicist and engineer born in Belfast.

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Ludwig Boltzmann

Ludwig Eduard Boltzmann (20 February 1844 – 5 September 1906) was an Austrian physicist and philosopher.

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Microstate (statistical mechanics)

In statistical mechanics, a microstate is a specific configuration of a system that describes the precise positions and momenta of all the individual particles or components that make up the system.

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Order and disorder

In physics, the terms order and disorder designate the presence or absence of some symmetry or correlation in a many-particle system.

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Peter Atkins

Peter William Atkins (born 10 August 1940) is an English chemist and a Fellow of Lincoln College at the University of Oxford.

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Product (chemistry)

Products are the species formed from chemical reactions.

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Quantum field theory

In theoretical physics, quantum field theory (QFT) is a theoretical framework that combines classical field theory, special relativity, and quantum mechanics.

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Quantum mechanics

Quantum mechanics is a fundamental theory that describes the behavior of nature at and below the scale of atoms.

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Reagent

In chemistry, a reagent or analytical reagent is a substance or compound added to a system to cause a chemical reaction, or test if one occurs.

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Second law of thermodynamics

The second law of thermodynamics is a physical law based on universal empirical observation concerning heat and energy interconversions.

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Statistical mechanics

In physics, statistical mechanics is a mathematical framework that applies statistical methods and probability theory to large assemblies of microscopic entities.

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Thermodynamic equilibrium

Thermodynamic equilibrium is an axiomatic concept of thermodynamics.

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Thermodynamic system

A thermodynamic system is a body of matter and/or radiation separate from its surroundings that can be studied using the laws of thermodynamics.

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Thermodynamic temperature

Thermodynamic temperature is a quantity defined in thermodynamics as distinct from kinetic theory or statistical mechanics.

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Thermodynamics

Thermodynamics is a branch of physics that deals with heat, work, and temperature, and their relation to energy, entropy, and the physical properties of matter and radiation.

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See also

Thermodynamic entropy

References

[1] https://en.wikipedia.org/wiki/Entropy_(energy_dispersal)

Also known as Energy dispersal.