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A large tank is divided into two parts by a partition. The first part contains 5 kg of refrigrtant-134a at 80oC, 900 kPa. The other part contains 3 kg of refrigerant-134a at -2oC with a vapor mass fraction of 46 percent. The partition is now removed and the two parts are allowed to mix until the tank reaches a uniform pressure of 550 kPa. Determine the work and heat transfer during this process.

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