A formula connecting the parameters of an arbitrary mass of an ideal gas in an equilibrium state.

Mendeleev-Clapeyron’s law states:
p * v = n * R * T, where p is the pressure, v is the volume, n is the amount of substance in moles, R is the universal gas constant, T is the temperature.
Amount of substance:
n = m / M, where m is the mass, M is the molar mass is determined according to the table of D.I. Mendeleev.



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