Reading assignment: chapter 6 “Equilibrium”
From Last Class
P
tot
= n
tot
RT/V
P
tot
= P
1
+ P
2
= (n
1
+ n
2
)(RT/V)
P
1
=
χ
1
* P
tot
=
+
2
(
)
PV
KE
3
KE
RT
Temperature is a measure of kinetic energy of molecular motion
PV
RT
=
,
3
avg mole
n
=
⋅
,
2
avg mol
=
n
KE depends only on T but u depends on T and M
1
KE
depends only on T, but u depends on T and M
3
rms
RT
u
M
=
u
rms
, O
2
at 298K = 4.82 x 10
2
m/s

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