code: def _finalise_result_(compound, value, mass):
      
  
      result = value / 3.6E6  # J/x -> kWh/x
      result = result / compound.molar_mass  # x/mol -> x/kg
      result = result * mass  # x/kg -> x
  
      return result
docs: Convert the value to its final form by unit conversions and multiplying
      by mass.
  
      :param compound: Compound object.
      :param value: [J/mol] Value to be finalised.
      :param mass: [kg] Mass of compound.
  
      :returns: [kWh] Finalised value.