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Consider Freddie the Fish, who has a swim bladder containing 0.1 moles of an ideal gas (Cv,m= 5R/2 ). Assume that the swim bladder is
Consider Freddie the Fish, who has a swim bladder containing 0.1 moles of an ideal gas (Cv,m= 5R/2 ). Assume that the swim bladder is a closed system. a. Freddie the Fish swims from the surface of a lake, where the pressure is 1 bar, to a depth of 10 meters below the surface (where pressure is 2 bar). Suppose that during Freddie's descent, his swim bladder contracts isothermally and reversibly. If his swim bladder is at a temperature of 25C, find U,H,q,w,S and G (all in Joules or J/K) for the gas in the swim bladder. b. Freddie the fish is served for dinner. In the process of preparing Freddie for consumption, the following happens. First, Freddie is heated from room temperature (25C) to 200C, where he undergoes a phase transition from raw fish to cooked fish. He is then allowed to cool down to room temperature. Given that Freddie weighs 5kg and Cp,raw=4.18J/g/K,Cp,cooked=1.32J/g/K, and H(200C)rawcooked=213.3kJ/kg
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