Solved: A heat engine takes 0.350 mol of a diatomic ideal
Chapter 20, Problem 20.40(choose chapter or problem)
A heat engine takes 0.350 mol of a diatomic ideal gas around the cycle shown in the pV-diagram of Fig. P20.40. Process 1 S 2 is at constant volume, process is adiabatic, and process is at a constant pressure of 1.00 atm. The value of for this gas is 1.40. (a) Find the pressure and volume at points 1, 2, and 3. (b) Calculate Q, W, and for each of the three processes. (c) Find the net work done by the gas in the cycle. (d) Find the net heat flow into the engine in one cycle. (e) What is the thermal efficiency of the engine? How does this compare to the efficiency of a Carnot-cycle engine operating between the same minimum and maximum temperatures T1 T2?
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