Entropy
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- | In [[statistical mechanics]], '''entropy''' is an [[Intensive and extensive properties#Extensive properties|extensive property]] of a [[thermodynamic system]]. | + | '''Entropy''' is a scientific concept as well as a measurable physical property that is most commonly associated with a state of disorder, randomness, or uncertainty. The term and the concept are used in diverse fields, from [[classical thermodynamics]], where it was first recognized, to the microscopic description of nature in [[statistical physics]], and to the principles of [[information theory]]. It has found far-ranging applications in [[chemistry]] and [[physics]], in biological systems and their relation to life, in [[cosmology]], [[economics]], [[sociology]], [[Atmospheric science|weather science]], [[climate change]], and [[information system]]s including the transmission of information in [[telecommunication]]. |
== See also == | == See also == |
Revision as of 10:25, 31 May 2022
"It was not easy for a person brought up in the ways of classical thermodynamics to come around to the idea that gain of entropy eventually is nothing more nor less than loss of information."--Gilbert Newton Lewis in a letter to Irving Langmuir, 5 Aug 1930 |
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Entropy is a scientific concept as well as a measurable physical property that is most commonly associated with a state of disorder, randomness, or uncertainty. The term and the concept are used in diverse fields, from classical thermodynamics, where it was first recognized, to the microscopic description of nature in statistical physics, and to the principles of information theory. It has found far-ranging applications in chemistry and physics, in biological systems and their relation to life, in cosmology, economics, sociology, weather science, climate change, and information systems including the transmission of information in telecommunication.
See also
- Autocatalytic reactions and order creation
- Brownian ratchet
- Clausius–Duhem inequality
- Configuration entropy
- Departure function
- Enthalpy
- Entropic force
- Entropic value at risk
- Entropy (information theory)
- Entropy (computing)
- Entropy and life
- Entropy (order and disorder)
- Entropy rate
- Entropy production
- Extropy
- Geometrical frustration
- Harmonic entropy
- Heat death of the universe
- Info-metrics
- Laws of thermodynamics
- Multiplicity function
- Negentropy (negative entropy)
- Orders of magnitude (entropy)
- Phase space
- Principle of maximum entropy
- Stirling's formula
- Thermodynamic databases for pure substances
- Thermodynamic potential
- Thermodynamic equilibrium
- Wavelet entropy