DOC.
4
KINETIC THEORY LECTURE NOTES
145
Test
-
=
c
=
1r
dT
"
2
Ic
-
c
p
v
S
c
s
=
c
+
i?
=
-£
=
r
2
c
3
2
The
law
pF
=
_L
also holds if several
different
kinds
of molecules
y
3
If
r1
gram.-molecules
of the
first
gas,
r2
of the second
gas
pV
=
+
i?7r2)J
=
RT{rx
+
r2)
Dalton's
law.[3]
Virial
theorem
I
d
x
v
xlm-r-Y
=
X
1
dt2
Y,(Xx
+
•
+
•)
=
£m(
x^
+
•
+
dx
dt
+
•
+
•)
-
y,
mv
i
L
=--£(**
+• +
•)
dsrcosnr
=
{|)
3d(p
L
= \pV
Pressure
of
an
ideal
gas. Analysis
as
in Boltzmann. Also
using
the virial
theorem,
3
L
=
iPv
2
On the other
hand,
according
to
the
equation
of
state
pV
=
RT,
if
one
gram-molecule
is
present[4]
(1)
From
this,
RT
=
-L
3
[p.
1]