- gasconstant
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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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Universalium. 2010.