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perfect gas

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perfect gas

 or ideal gas

Gas whose physical behaviour conforms to the general gas law, which states that for a given quantity of gas, the product of the volume V and pressure P is proportional to the absolute temperature T, or PV = kT, where k is a constant. A perfect gas is assumed to consist of a large number of molecules in random motion, which obey Newton's laws of motion. Their volume is assumed to be negligibly small, and no forces are presumed to act on the molecules except during momentary collisions. Though no gas has these properties, real gases at sufficiently high temperatures and low pressures can be described this way.

perfect gas [′pər·fikt ′gas]
(thermodynamics)
ideal gas


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He details, for instance, how a person on the ground can measure the height of a tall building and how Boyle's law defines the relationship of volume and pressure for a perfect gas.
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One could have R = 1 with the dimension zero by definition of T read on a perfect gas thermometer.
Rationality of the paranormal, an essay on seeming contradictions by Costa de Beauregard, O. / Frontier Perspectives
 
 
 
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