def Cpg(self):
        r'''Gas-phase heat capacity of the chemical at its current temperature,
        in units of [J/kg/K]. For calculation of this property at other
        temperatures, or specifying manually the method used to calculate it,
        and more - see the object oriented interface
        :obj:`thermo.heat_capacity.HeatCapacityGas`; each Chemical instance
        creates one to actually perform the calculations. Note that that
        interface provides output in molar units.

        Examples
        --------
        >>> w = Chemical('water', T=520)
        >>> w.Cpg
        1967.6698314620658
        '''
        Cpgm = self.HeatCapacityGas(self.T)
        if Cpgm:
            return property_molar_to_mass(Cpgm, self.MW)
        return None
def Cpg(self):
        r
        Cpgm = self.HeatCapacityGas(self.T)
        if Cpgm:
            return property_molar_to_mass(Cpgm, self.MW)
        return None
def Cpg ( self ) : Cpgm = self . HeatCapacityGas ( self . T ) if Cpgm : return property_molar_to_mass ( Cpgm , self . MW ) return None
r'''Gas-phase heat capacity of the chemical at its current temperature,
        in units of [J/kg/K]. For calculation of this property at other
        temperatures, or specifying manually the method used to calculate it,
        and more - see the object oriented interface
        :obj:`thermo.heat_capacity.HeatCapacityGas`; each Chemical instance
        creates one to actually perform the calculations. Note that that
        interface provides output in molar units.

        Examples
        --------
        >>> w = Chemical('water', T=520)
        >>> w.Cpg
        1967.6698314620658
r Gas - phase heat capacity of the chemical at its current temperature in units of [ J / kg / K ] . For calculation of this property at other temperatures or specifying manually the method used to calculate it and more - see the object oriented interface : obj : thermo . heat_capacity . HeatCapacityGas ; each Chemical instance creates one to actually perform the calculations . Note that that interface provides output in molar units .