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:
Noun1.gas constant - (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
natural 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 ?
v]) for gases is the ideal gas constant (R) [see equation (15)].
where N0 represents the number of cells in series, E0 is the voltage denoting the reaction free energy, R and F are the universal gas constant and Faraday's constant, respectively stands for temperature while the If0 denotes the current of the SOFC stack [P.
In the formula, P is the standard gas pressure, Vis the standard gas volume; nis the amount of standard gas material, R is the standard gas constant, in which R value of the air is 287J/(kg x K).
314 J/mol/K) is the gas constant and T (K) is the absolute temperature.
The specific capacities and the multiphase gas constant are important variables of both a moist dynamical core and moist physics parameterizations.
where A is the cross section of the flow duct, [kappa] is the isentropic coefficient, and R is the gas constant.
The specific gas constant can be deduced from experiments in which the gas is collected in a fixed volume apparatus and the gas pressure is measured.
00(g/mol) Elemental oxygen P (nRT)/V Pressure [n=amount; R=ideal gas constant; T=temperature in Kelvins; V=volume] (H-E)/V Pressure [H=enthalpy; E=energy; V=volume] mv Momentum [m=mass; v=velocity] Q E-w Heat [E=energy; w=work] [mu]/d Charge of a polar molecule [j=dipole moment; d=distance] R (PV)/(nT) Ideal gas constant [P=pressure; V=volume; n=amount; T=temperature in Kelvins] k[N.
2]/s), Ea is the activation energy (J/mol), which is used to represent the stability of the liquid system, R is the gas constant (J/mol/K) and T is the temperature (K).
The ideal gas law relates the pressure P, the volume V, the amount of substance in the air, ideal gas constant and temperature T of a gas as follows