6. An ideal gas initially at 600 K and 10 bar undergoes a four-step mechanically reversible cycle in a closed system. In step 12, pressure decrease isothermally to 3 bar. In step 23 pressure decrease at constant volume to 2 bar. In step 34 volume decreases at constant pressure and in step 41, the gas adiabatically to its state. Take cp= 7/2R, cv=5/2R. a. Sketch the PV diagram b. Calculate Q.W, delta H,delta U for each step of the cycle.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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6. An ideal gas initially at 600 K and 10 bar undergoes a four-step mechanically reversible cycle in a closed
system. In step 12, pressure decrease isothermally to 3 bar. In step 23 pressure decrease at constant
volume to 2 bar. In step 34 volume decreases at constant pressure and in step 41, the gas adiabatically to
its state. Take cp= 7/2R, cv=5/2R.
a. Sketch the PV diagram
b. Calculate Q,W, delta H,delta U for each step of the cycle.
Transcribed Image Text:6. An ideal gas initially at 600 K and 10 bar undergoes a four-step mechanically reversible cycle in a closed system. In step 12, pressure decrease isothermally to 3 bar. In step 23 pressure decrease at constant volume to 2 bar. In step 34 volume decreases at constant pressure and in step 41, the gas adiabatically to its state. Take cp= 7/2R, cv=5/2R. a. Sketch the PV diagram b. Calculate Q,W, delta H,delta U for each step of the cycle.
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