
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
Publisher: McGraw-Hill Education
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Question
See attached image, please help with number 8

Transcribed Image Text:Pressure
a
Isothermal
expansion
Adiabatic
compression
Adiabatic
expansion
с
-Isothermal compression
Volume
Consider the reversible Carnot cycle shown above with 1 mol of an ideal gas with Cv = 1.5R
as the working substance.
=
Step 1: The initial isothermal expansion occurs at the hot reservoir temperature of Thot ²
600°C from an initial volume of 3.50 L (V₂) to a volume of 10.0 L (V₂).
Step 2: The system then undergoes an adiabatic expansion until the temperature falls to
Tcold = 150°C.
Steps 3 and 4: The system then undergoes an isothermal compression and a subsequent
adiabatic compression until the initial state described by T₂ = 600°C and V₂ = 3.50 L is
reached.
a
R = 8.314 J mol-1K-
Find
- Vc and Vd (in liters)
- Wtotal (a sum-total of work done in each step in the cycle) (in kJ)
& (efficiency) (no units)
Follow a consistent sign convention. Work done due to expansion must
have the same sign, and work due to compression must have the
opposite sign.
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