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5 kg of air is contained in a vertical piston cylinder assembly with the top open to the atmosphere. The piston weighs 50 kg and has a face area of 0.01 m2 . The air initially occupies a volume of 0.005 m3 . The air now undergoes a process wherein its volume decreases to 0.0025 m 3 and 1.5 kJ of heat is lost to the surroundings. The change in the specific internal energy of the air is |
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Answer» hyghiu8ghhhng Explanation: hfbhyfddv fdhfhb vfvnjj |
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