"Say you had a big 'ole box containing 50 kg N2 and 50 kg CO2 at 400K.
Assuming ideal gas properties, determine:
(a) The specific enthalpy of the mixture (kJ/kg)
(b) The specific enthalpy of the mixture (kJ/kmol)"
PDF of solution: https://sdsu.box.com/s/ptp21bi5t7spqmy7bqkte7mequybeec5