entropy | Entropy Definition & Meaning

Keyword	CPC	PCC	Volume	Score	Length of keyword
entropy	0.52	0.1	4449	31	7

Keyword	CPC	PCC	Volume	Score
entropy	1	0.9	4408	62

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Entropy Definition & Meaning - Merriam-Webster
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https://www.merriam-webster.com/dictionary/entropy

WEBThe meaning of ENTROPY is a measure of the unavailable energy in a closed thermodynamic system that is also usually considered to be a measure of the system's disorder, that is a property of the system's state, and that varies directly with any reversible change in heat in the system and inversely with the temperature of the system; broadly ...

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Entropy - Wikipedia
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https://en.wikipedia.org/wiki/Entropy

WEBEntropy is the measure of the amount of missing information before reception. Often called Shannon entropy, it was originally devised by Claude Shannon in 1948 to study the size of information of a transmitted message.

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Entropy | Definition & Equation | Britannica
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https://www.britannica.com/science/entropy-physics

WEBMar 28, 2024 · entropy, the measure of a system’s thermal energy per unit temperature that is unavailable for doing useful work. Because work is obtained from ordered molecular motion, the amount of entropy is also a measure of the molecular disorder, or randomness, of a system.

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What Is Entropy? Definition and Examples - Science Notes and …
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https://sciencenotes.org/what-is-entropy-definition-and-examples/

WEBNov 28, 2021 · Entropy is defined as a measure of a system’s disorder or the energy unavailable to do work. Entropy is a key concept in physics and chemistry, with application in other disciplines, including cosmology, biology, and economics. In physics, it is part of thermodynamics. In chemistry, it is part of physical chemistry.

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12.3 Second Law of Thermodynamics: Entropy - OpenStax
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https://openstax.org/books/physics/pages/12-3-second-law-of-thermodynamics-entropy

WEBThe second law of thermodynamics states that the total entropy of a system either increases or remains constant in any spontaneous process; it never decreases. An important implication of this law is that heat transfers energy spontaneously from higher- to lower-temperature objects, but never spontaneously in the reverse direction.

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Introduction to entropy - Wikipedia
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https://en.wikipedia.org/wiki/Introduction_to_entropy

WEBIn thermodynamics, entropy is a numerical quantity that shows that many physical processes can go in only one direction in time. For example, cream and coffee can be mixed together, but cannot be "unmixed"; a piece …

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Introduction to entropy (video) | Khan Academy
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https://www.khanacademy.org/science/biology/energy-and-enzymes/the-laws-of-thermodynamics/v/introduction-to-entropy

WEBFirst it’s helpful to properly define entropy, which is a measurement of how dispersed matter and energy are in a certain region at a particular temperature. Since entropy is primarily dealing with energy, it’s intrinsically a thermodynamic property (there isn’t a non-thermodynamic entropy).

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4.7: Entropy - Physics LibreTexts
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https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_(OpenStax)/Book%3A_University_Physics_II_-_Thermodynamics_Electricity_and_Magnetism_(OpenStax)/04%3A_The_Second_Law_of_Thermodynamics/4.07%3A_Entropy

WEBSep 12, 2022 · Describe the meaning of entropy. Calculate the change of entropy for some simple processes. The second law of thermodynamics is best expressed in terms of a change in the thermodynamic variable known as entropy, which is represented by the symbol S. Entropy, like internal energy, is a state function.

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19.2: Entropy and the Second Law of Thermodynamics
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https://chem.libretexts.org/Bookshelves/General_Chemistry/Map%3A_Chemistry_-_The_Central_Science_(Brown_et_al.)/19%3A_Chemical_Thermodynamics/19.02%3A_Entropy_and_the_Second_Law_of_Thermodynamics

WEB19: Chemical Thermodynamics. 19.2: Entropy and the Second Law of Thermodynamics. Expand/collapse global location. 19.2: Entropy and the Second Law of Thermodynamics. Page ID. Learning Objectives. To understand the …

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Entropy (classical thermodynamics) - Wikipedia
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https://en.wikipedia.org/wiki/Entropy_(classical_thermodynamics)

WEBIn classical thermodynamics, entropy (from Greek τρoπή (tropḗ) 'transformation') is a property of a thermodynamic system that expresses the direction or outcome of spontaneous changes in the system.

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