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Advanced Thermodynamics for Engineers, 2nd Edition
book

Advanced Thermodynamics for Engineers, 2nd Edition

by Ali Turan, D. Winterbone
February 2015
Intermediate to advanced content levelIntermediate to advanced
578 pages
19h 27m
English
Butterworth-Heinemann
Content preview from Advanced Thermodynamics for Engineers, 2nd Edition
~
Q
v
s
¼D
~
U
0
þ½U
P
ðT
s
ÞU
P
ðT
0
Þ ½U
R
ðT
s
ÞU
R
ðT
0
Þ
¼4943040 þ 7:136 7041:6 þ 8:84322 7223:3 þ 0:846 6011:8
þ0:15678 6043:1 þ 1:8994 6032:0 þ 52:222 6025:8
ð5779 þ 13:889 ½6032:0 þ 3:76 6025:8Þ
¼4895205 kJ
=
kmol C
8
H
18
burned
(12.122)
This is within 1.25% of that calculated from the internal energy of reaction and the difference is
because data were taken from different sources.
Evaluating the energy terms for the reactants gives
½U
R
ðT
R
ÞU
R
ðT
s
Þ ¼ 335014 kJ
Hence, the energy of the products, based on the evaluated degrees of dissociation, must be
U
P
ðT
P
ÞU
P
ðT
s
Þ¼ðQ
v
Þ
s
þ
U
R
ðT
R
ÞU
R
ðT
s
Þ
¼ 4833894 þ 335014
¼ 5168908 kJ
(12.123)
Evaluating the energy ...
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Publisher Resources

ISBN: 9780444633736