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Green Chemical Engineering
book

Green Chemical Engineering

by S. Suresh, S. Sundaramoorthy
December 2014
Intermediate to advanced content levelIntermediate to advanced
541 pages
17h 38m
English
CRC Press
Content preview from Green Chemical Engineering
29Introduction to Kinetics and Chemical Reactors
Thus, a plot of
1
11
0
CM
Mx
Mx
A
A
A
()
ln
()
versus t (Figure 2.13) is a straight line with a
slope equal to k.
The half-life period t
1/2
is
t
kC M
M
M
A
12
0
1
1
21
/
()
ln=
(2.67)
Note that for M = 1, Equations 2.66 and 2.67 get reduced to the form of integrated
Equations 2.54 and 2.55 derived for second-order reaction in Section 2.1.7.2.
2.1.7.5 Reversible First-Order Reaction
Consider a reversible rst-order reaction
AB
k
k
1
2


The rate equation is
−=
rk
Ck
C
AAB
12
(2.68)
Let C
Ae
and C
Be
be the concentrations of A and B at equilibrium. Then, the equilibrium
constant K is
K
k
k
C
C
Be
Ae
==
1
2
(2.69)
Let
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Publisher Resources

ISBN: 9781466558830