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PART B(1) A gas mixture expands with a known pressure-volume relation, PVConst. The gas mixture behaves as an ideal gas. The

P1= 5 bars, P2 = ?, V1 = .3 m^3 , V2 = .7 m^3, Cv = .5 KJ/kgK, dv = 2.5 KJ/kg

*du = 2.5 KJ/ Kg
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Answer #1

P=2 bar V = 0.3 m² Ti=book Vg = 0.7m² CA222222222 P, v, 13 - Constant P2 V = P, U13 | Ca = , vº (( .3 . [12 = 0.66 bar] ③ we@ Heat transfer a= U+W A= 2.5-46 To = - 43.5 kJ) ro bar V = 0.3 m² T=3ook ugo.am Cr=0.5 kJ/kg k dU= 2.5 kJ/kg @ . [P2 = 1.66& W = Peve Piv, len W Jouls 1.66x105x0.7 - 54105 x 0.3 1-1.3 W = – 112.67 KI 8- U+W - 2.5 - 112.67 [Q=-110.16 kJ]

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