@property<EOL><INDENT>def Cvgms(self):<DEDENT>
return [i.Cvgm for i in self.Chemicals]<EOL>
r'''Gas-phase pure component ideal-gas contant-volume heat capacities
        of the chemicals in the mixture at its current temperature, in units
        of [J/mol/K].  Subtracts R from the ideal-gas heat capacities; does not
        include pressure-compensation from an equation of state.

        Examples
        --------
        >>> Mixture(['benzene', 'toluene'], ws=[0.5, 0.5], T=320).Cvgms
        [81.2435811258616, 103.38944354788907]