Chemistry Reference
In-Depth Information
H
(a)
CH 2
C
Group
F i
No. groups
F i
Description
Density
=
1
.
05 g cm −3
104 g mol −1
—CH 2
131.5
1
131.5
M r
=
>CH—
85.99
1
85.99
δ = 1.05(896.77)/104
= 9.0(cal cm −3
1/2
—C==(aromatic)
117.12
6
702.72
)
6-membered ring
− 23.44
1
23 . 44
896.77
1/2
cal cm −3
mol
H
(b)
CH 2
C
CN
Group
F i
Description
18 g cm −3
—CH 2
131.5
Density
=
1
.
>CH—
85.99 M r = 53
CN
354
.
56
δ = (
1
.
18
)(
572
.
05
)/
53
= 12.7(cal cm −3
1/2
572.05
)
CH 3
H
H
H
(c)
O
C
O
C
C
C
CH 3
H
OH
H
Group
F i
No. groups
F i
Description
Density = 1.15 g cm −3
—CH 3
148.3
2
296.40
—CH 2
131.5
2
263.0
M r
=
284
>
CH—
85.99
1
85.99
δ = (
1
.
15
)(
2572
.
44
)/
284
|
—C—
|
32.03
1
32.03
=
10.4
6-membered ring
− 23.44
2
− 46.88
Para substitution
40.33
2
80.66
—OH
225.84
1
225.84
—O—(ether)
114.98
2
229.96
—C==(aromatic)
117.12
12
1405.44
2572.44
[Conversion factors:
1MPa 1/2
1(Jcm −3 ) 1/2
=
0.49 (cal cm −3 ) 1/2 ;
=
1cm 3 mol −1
10 −6 m 3 mol −1 ]
=
FIGURE 5.1
Calculation of solubility parameters from molar attraction constants.
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