gas constant (redirected from Molar gas constant)

gas constant

n. Symbol R

A constant, equal to 8.314 joules per Kelvin or 1.985 calories per degree Celsius, that is the constant of proportionality (R) in the equation Pressure × Volume = n (number of moles) × (R) × Temperature, relating the pressure and volume of a quantity of gas to the absolute temperature.

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gas constant

n

(Physics / 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

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gas constant

A constant, equal to 8.314 joules per mole degree Kelvin or 1.985 calories per mole degree Celsius, that is the constant of proportionality (R) in the universal gas law.

Thesaurus

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 mole universal gas constant, R 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"