# gas constant

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## gas constant

n. Symbol R
A constant, equal to 8.314 joules per kelvin, 0.08206 liter atmospheres per mole kelvin, or 1.985 calories per degree Celsius, that is the constant of proportionality in the ideal gas law.

## gas constant

n
(General Physics) the constant in the gas equation. It is equal to 8.31472 joules per kelvin per mole. Symbol: R Also called: universal gas constant
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 gas constant - (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per molenatural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"constant - a number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant"
References in periodicals archive ?
Interestingly this author realized that the above difference between molar heat capacities allows for a relationship between the ideal gas constant (R) and the ability of a mole of gas molecules to do work against a gravitational field [1, 20-21], as a function of temperature.
where [beta] is the compression coefficient of gas, M is the molecular weight of gas, R is ideal gas constant, and T is absolute temperature.
where A and B are empirically determined constants; P is the vapor pressure, torr; R is ideal gas constant; [DELTA]H is the heats of vaporization, J/mol; and T is the absolute temperature, K.

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