gas equation

British

noun

Also called: ideal gas equation. ideal gas law. an equation that equates the product of the pressure and the volume of one mole of a gas to the product of its thermodynamic temperature and the gas constant. The equation is exact for an ideal gas and is a good approximation for real gases at low pressures

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Appropriate rearrangement of the ideal gas equation may be made to permit the calculation of gas densities and molar masses.

From Textbooks • Feb. 14, 2019

If we know the volume, pressure, and temperature of a gas, we can use the ideal gas equation to calculate how many moles of the gas are present.

From Textbooks • Feb. 14, 2019

Strictly speaking, the ideal gas equation functions well when intermolecular attractions between gas molecules are negligible and the gas molecules themselves do not occupy an appreciable part of the whole volume.

From Textbooks • Feb. 14, 2019

A relation between these two K values may be simply derived from the ideal gas equation and the definition of molarity:

From Textbooks • Feb. 14, 2019

While there’s still plenty of distance between where the Interior is today and a fully realized Interior Energy Project, positive news about the transport side of the gas equation is always welcome.

From Washington Times • Oct. 5, 2016

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