second law of thermodynamics wikipedia - EAS
- Irreversibility of natural processesThe second law of thermodynamicsindicates the irreversibility of natural processes, and, in many cases, the tendency of natural processes to lead towards spatial homogeneity of matter and energy, and especially of temperature. It can be formulated in a variety of interesting and important ways.
Thermodynamics
Thermodynamics is a branch of physics concerned with heat and temperature and their relation to energy and work. It defines macroscopic variables, such as internal energy, entropy, and pressure, that partly describe a body of matter or radiation.
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See all on Wikipediahttps://en.wikipedia.org › wiki › Second_law_of_thermodynamicsThe second law of thermodynamics is a physical law of thermodynamics about heat and loss in its conversion. It can be stated in various ways, the simplest being: Not all heat energy can be converted into work in a cyclic process. The second law of thermodynamics in other versions establishes the
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See moreThe first law of thermodynamics provides the definition of the internal energy of a thermodynamic system, and expresses its change for a closed system in terms of work and heat. It can be linked to the law of conservation of energy.
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See moreThe second law of thermodynamics may be expressed in many specific ways, the most prominent classical statements being the statement by
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See moreThe second law determines whether a proposed physical or chemical process is forbidden or may occur spontaneously. For isolated systems, no energy is provided by the surroundings and
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See moreStatistical mechanics gives an explanation for the second law by postulating that a material is composed of atoms and molecules which are in
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See morePerpetual motion of the second kind
Before the establishment of the second law, many people who were interested in inventing a perpetual...
See moreThe first theory of the conversion of heat into mechanical work is due to Nicolas Léonard Sadi Carnot in 1824. He was the first to realize correctly that the efficiency of this conversion depends on the difference of temperature between an engine and its
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See moreThe first mechanical argument of the Kinetic theory of gases that molecular collisions entail an equalization of temperatures and hence a tendency towards equilibrium was due to James Clerk Maxwell in 1860; Ludwig Boltzmann with his H-theorem
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See moreWikipedia text under CC-BY-SA license- https://en.wikipedia.org › wiki › Laws_of_thermodynamics
The second law of thermodynamics indicates the irreversibility of natural processes, and, in many cases, the tendency of natural processes to lead towards spatial homogeneity of matter and energy, and especially of temperature. It can be formulated in a variety of interesting and important ways. One of the simplest is the Clausius statement, that heat does not spontaneously pass from a colder to a hotter body.
Wikipedia · Text under CC-BY-SA license - https://simple.wikipedia.org › wiki › Second_law_of_thermodynamicsSee more on simple.wikipedia.orgIn a general sense, the second law says that temperature differences between systems in contact with each other tend to even out and that work can be obtained from these non-equilibrium differences, but that loss of thermal energy occurs, when work is done and entropy increases. Pressure, density and temperature diff…
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- https://en.wikipedia.org › wiki › 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. The behavior of these quantities is governed by the four laws of thermodynamics which convey a quantitative description using measurable macroscopic physical quantities, but m...
The Laws of Thermodynamics - A Very Short Introduction
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