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The constant of proportionality in the gas equation. It is equal to 8.314 joule kelvin¹ mole¹.
‘Comparing the phloem to an impermeable tube, of radius x and length L, its resistance is often estimated by the Poiseuille law where is the gas constant, T is the absolute temperature and is the viscosity of the transported solution.’
‘The magic number 5417.7530 is a rounded constant; it's based on the molecular weight of water, latent heat of vaporization, and the universal gas constant.’
‘A third way of writing the universal gas law is as pV = nRT where n represents the number of moles of gas being dealt with and R represents the universal gas constant.’
‘According to the principle of equipartition of energy, the energy per degree of freedom for this kind of motion (called translational motion) is equal to 0.5RT, where R is the molar gas constant and T is the absolute temperature.’
‘Boltzmann's constant, often referred to as the gas constant per molecule, can be substituted for R / NA which yields PV = NkT, where P is pressure, V volume, N the number of molecules, k Boltzmann's constant, and T temperature.’