Posted by Schnitzel on .
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The figure is a PV diagram for a reversible heat engine in which 1.0 mol of argon, a nearly ideal monatomic gas, is initially at STP (point a). Points b and c are on an isotherm at T = 423 K. Process ab is at constant volume, process ac at constant pressure.
What is the efficiency of this engine?
The efficicy is (Integral PdV)/(Interval TdS) for the cycle.