# gas constant

Also found in: Thesaurus, Medical, Legal, Financial, Acronyms, Encyclopedia, Wikipedia.

## 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 ?
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

Site: Follow: Share:
Open / Close