Question

A rigid, insulated 4m³ volume is divided in half by a membrane. One chamber is pressurized with air to 100kPa and the other is completely evacuated. The membrane is ruptured and after a period of time equilibrium is restored. What is the entropy change?
A. 0.240 kJ/K
B. 0.320 kJ/K
C. 0.415 kJ/K
D. 0.473 kJ/K

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Thermodynamics

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