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Thermo Q.2 (10 marks) A vessel, divided into two parts by a partition, contains 4mol of nitrogen gas at 75C and 30 bar on one

Thermo
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Q.2 (10 marks) A vessel, divided into two parts by a partition, contains 4mol of nitrogen gas at 75C and 30 bar on one side and 2.5mol of argon gas at 130C and 20 bar on the other. If the partition is removed and the gases mix adiabatically and completely, what is the change in entropy? Assume CV for nitrogen equals (5/2)R and CV for argon =(3/2)R

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