A container is divided by a partition into 2 rooms of V1 = 2m and V2 = 10 m content. One room is filled with CO2 at p1 = 10 bar and t1 = 200 C, the other with air at p2 = 1 bar and t2 = 20 C. The container is thermally insulated from the outside. (MCO2 = 44 kg/kmol; Mair = 29 kg/kmol) After removing the partition, the gases mix. The pressures and temperatures balance out. The gases can be viewed as ideal gases with constant heat capacities. Overflow processes can be assumed to be reversible. Wanted is: a) Pressure and temperature after equalization ANSWER : 405 K, 2,58 bar b) The entropy change during equalization ANSWER: S = 8,777 kJ/K