1. Evaluate the molecular weight, enthalpy (kJ/kg), and entropy (kJ/kg-K) for a gas mixture at P=2500 kPa and T=1500 K with the following concentrations: CO2 55,000 ppm ,0 100,000 ppm 105,000 ppm N2 balance. (Hint: To get the number of moles for each species, multiply parts per million (ppm) by 10-). 02