Consider a rigid container with 2 moles of an ideal gas initially at 8 bar and 337 o How much heat needs to be removed to bring the pressure in the chamber to 1 bar? Calculate also the W, DU and DH during the process. Assume a constant heat capacity at constant pressure (Cp =7R/2).
Consider a rigid container with 2 moles of an ideal gas initially at 8 bar and 337 o How much heat needs to be removed to bring the pressure in the chamber to 1 bar? Calculate also the W, DU and DH during the process. Assume a constant heat capacity at constant pressure (Cp =7R/2).
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:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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- Consider a rigid container with 2 moles of an ideal gas initially at 8 bar and 337 o How much heat needs to be removed to bring the pressure in the chamber to 1 bar? Calculate also the W, DU and DH during the process. Assume a constant heat capacity at constant pressure (Cp =7R/2).
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Transcribed Image Text:Tnihat state
1.
ideal
ga
ideal go
We?
su:?
P-8 bar
P 1bar
T 337°C
System ideal gas contained in the ngid container
closed syotem, APE=O S oKE=O
Mass balance
MAratEMntial=m suice there a
no chemicel
reaction)
GEB
A(nu)
AMU)=Q+W
2o why?
Cy:f(T)
only for
n Cy (I-T)Q unknowns Te
we need one more intensive property at the final statel
closed system, ngid container
volume is constant
Specihic volume is constant
Pe Pf YE
KTF
second eqUation
P
Solve for
If Q, Au & AH,
what is w?
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