Consider a piston-cylinder assembly containing an ideal gas, initially at 20.0 bar and 1000 K. The initial
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Consider a piston-cylinder assembly containing an ideal gas, initially at 20.0 bar and 1000 K. The initial volume is 1.6 L. The system undergoes a reversible process in which it is expands to 1 bar. Take the environment to be at 1 bar and 20°C. Take cp = (7/2)R. The pressure volume relationship during this process is given by:
(a) Calculate the work obtained during this process.
(b) Calculate the useful work that could be obtained by subtracting the energy needed to push back the ambient pressure.
(c) Calculate the exergy and the ideal work.
(d) Calculate the lost work.
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a A schematic of the process is shown in Figure E317 where we define the initial state as state 1 an...View the full answer
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