11-21
M=XAMA+XBMB
CB=XBC
(*105)
(*103)
z
XB
XA
CB
CA
ρΒ
ρA
ρ
ωΒ
ωA
ω
0
0.329
0.671
1.3
2.65
0.376
2.02
2.4
0.158
0.842
60.7
(*103)
(*106)
(*108)
z
VB
VA
V*
V
jA=-jB
JA=-JB
P11-7 (d)
Mole fraction
0.6
0.7
0.8
0.9
1
11-22
Diffusion Flux
20
25
30
P11-7 (e)
Evaporation Rate of CS2 (ρliq @ 20 oC = 1.26 gm/cc)
P11-7 (f) No solution will be given
P11-7 (g)
Molecular diffusion of air is taking place
P11-8 (a)
Quasi-steady-state – no accumulation in the capillary tube or in either chamber.
Volume 1:
11-23
Volume 2:
( )
10
A
A C
d C V
W A
dt =!
Now integrate:
( )
1 2
1 2
1 1
ln Constant
C AB
A A
A D
C C t
L V V
! “
#=# # +
$ %
& ‘
P11-8 (b)
( )
1 2A A
C C k IC!=“
POLYMATH Results
Linear Regression Report
Model: lnDIC = a0 + a1*t
Variable Value 95% confidence
General
Regression including free parameter
Number of observations = 9
Statistics
R^2 = 0.9998944
P11-9
P11-10 (a)
11-26
P11-10 (b)
P11-10 (c)
11-28
P11-10 (d)
P11-11 (a)
P11-11 (b)
11-31
11-32
P11-11 (c)
11-33
P10-12 (a)
P10-12 (b)
P10-12 (c)
11-37
P10-12 (d)
P11-13
The plot of the data is shown below
11-38
P11-14
11-39
CDP11-A
CDP11-B
11-40
CDP11-I
CDP11-J