
1) Statistical mechanics subject
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https://www.crosswordclues.com/clue/ideal-gas

ideal gases; perfect gas; ideal gas law. A gas whose pressure P, volume V, and temperature T are related by PV = nRT, where n is the number of moles of gas and R is the ideal gas law constant. Ideal gases have molecules with negligible size, and the average molar kinetic energy of an ideal gas depends only on its temperature. Most gases behave idea...
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http://antoine.frostburg.edu/chem/senese/101/glossary/i.shtml

== Table of ideal gas equations == See Table of thermodynamic equations: Ideal gas. ==Ideal quantum gases== In the above-mentioned Sackur–Tetrode equation, the best choice of the entropy constant was found to be proportional to the quantum thermal wavelength of a particle, and the point at which the argument of the logarithm becomes zero is rou...
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http://en.wikipedia.org/wiki/Ideal_gas

A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.
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http://www.chemistry-dictionary.com/definition/ideal+gas.php

Also known as a perfect gas, a theoretical concept of a gas which would obey the gas laws (i.e. PV = nRT) exactly. Such a gas would consist of perfectly elastic molecules, the volume occupied by the actual molecules, and the forces of attraction between them, being zero or negligible. In practice,...
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http://www.daviddarling.info/encyclopedia/I/ideal_gas.html

The gas laws (Boyle's, Charles' and Avogadro's, and the Ideal Gas Law) have a mathematical basis. Real gases do not obey these laws exactly. For example, in a real gas two molecules upon collision can stick together for a while, in which time they behave as one molecule. An ideal gas, or perfect gas, only exists in the imagination. Its molecules ar...
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http://www.encyclo.co.uk/local/20138

A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.
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http://www.encyclo.co.uk/local/20728

One which obeys the ideal gas law. At low pressures, real gases behave like ideas gases
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http://www.fisicx.com/quickreference/science/glossary.html

One which obeys the ideal gas law
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http://www.quick-facts.co.uk/science/glossary.html

a gas consisting of identical particles of negligible volume, with no intermolecular forces
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http://www.translationdirectory.com/glossaries/glossary303.php

[
n] - a hypothetical gas with molecules of negligible size that exert no intermolecular forces
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http://www.webdictionary.co.uk/definition.php?query=ideal%20gas

An enormous number of very tiny particles separated by relatively large distances. The particles have no internal structure, are indestructible, do not interact with each other except when they collide, and all collisions are elastic. See also: Gas, Ideal Gas Law, Isothermal Expansion.
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https://www.encyclo.co.uk/local/20687

a gas composed of molecules on which no forces act except upon collision with one another and with the walls of the container in which the gas is enclosed; a gas that obeys the ideal gas law. Also called
Found on
https://www.infoplease.com/dictionary/ideal-gas
No exact match found.