An ideal gas at 300 K and 10 bar enters an apparatus, which is thermally and mechanically insulated from the surroundings. The gas leaves the apparatus in two streams in equal quantities. One stream is at 360 K and 1 bar and the other is at 240 K and 1 bar. The heat capacity of the gas is 30 kJ/kmol K. Determine the total entropy change. Is the process thermodynamically possible?

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