A piston-cylinder device initially contains 2 L of air at 100 kPa and 25 ℃. Air is now compressed to a final state of 600 kPa and 150 ℃. The useful work input is 1.2 kJ. Assuming the surroundings are at 100 kPa and 25 ℃, determine the minimum work that must be supplied to accomplish this compression process. (answer in kJ)
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A piston-cylinder device initially contains 2 L of air at 100 kPa and 25 ℃. Air is now compressed to...
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