8
PHENOMENA OF
CAPILLARITY
Name
of the
compound
Formula
D'.v
m
£(calc)
Quotient
Isobutyl
propanoate
Isoamyl
acetate
Propyl
acetate
Isobutyl isobutyrate
Propyl
valerate
Isobutyl
butyrate
Isoamyl
propanoate
Isoamyl
isobutyrate
Isobutyl
valerate
Isoamyl
valerate
Benzene
Toluene
Ethyl
benzene
m-Xylene
Propyl
benzene
Mesitylene
Cymene
Ethyl
formate
Methyl
acetate
Ethyl acetate
Methyl
propanoate
Propyl
formate
Methyl
isobutyrate
Isobutyl
formate
Ethyl propanoate
Propyl
acetate
Methyl
butyrate
Ethyl
isobutyrate
Methyl
valerate
Isobutyl
acetate
Ethyl
butyrate
Propyl propanoate
Isoamyl
formate
C7H14O2
"
1157 456
2.54
"
C8H16O2
"
"
C9H18O2
"
C10H10O2
C6H6
C7H8
C8H10
"
C9H12"
C10H14
C3H6O2
"
C4H8O2
"
"
C5H10O2
"
"
"
"
C6H12O2"
"
"
"
"
1257
1367
1464
795
902
1005
1122
1213
719
837
882
971
510
559
611
310
372
424
475
527
249
301
353
405
2.47
2.45
2.51
2.57
2.48
2.37
2.36
2.30
2.89
2.78
2.50
2.40
Even
though
the
quotient
in the fifth
column
is
by no
means a
constant,
but is,
on
the
contrary, clearly
dependent on
the constitution
of the
compounds, we can
nevertheless
use
the material
on
hand
to
obtain the
factor,
or
at
least its order of
magnitude,
with
which
we
must multiply
our ca's
to
obtain
them
in the absolute unit
we
had
chosen.
The
mean
value of the
multiplier looked
for is
2.51
x
^4.17
x
107
=
1.62
x
104
.
Since the
foregoing
discussion
shows
that the kinetic conditions of the
molecules
change
during evaporation
(at least if
our
expression
for the
[15]