A portable engine of nineteenth-century design

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A portable engine of nineteenth-century design used a tank of compressed air and an "evacuated" tank as its power source. The first tank had a capacity of 0.3m^3 and was initially filled with air at 14 bar and a temperature of 700C. The "evacuated" tank had a capacity of 0.75m^3. Unfortunately, nineteenth-century vacuum techniques were not very efficient, so the "evacuated" tank contained air at 0.35 bar and 25C. Wat is the maximum total work that could be obtained from an air-driven engine connected between the two tanks if the process is adiabatic? What would be the temperature and pressure in each tank at the end of the process? You may assume that is an ideal gas with Cp=7R/2

Reference no: EM13268779

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