Physical Chemistry Third Edition
c. jardin
(C. Jardin)
#1
25
Equilibrium Statistical Mechanics.
I. The Probability Distribution for
Molecular States
PRINCIPAL FACTS AND IDEAS
- Statistical mechanics is the mathematical connection between the
microscopic states of mechanics and the macroscopic states of
thermodynamics.
- Statistical mechanics identifies macroscopic states with averages over
microscopic states.
- A model system that represents a dilute gas is a set of noninteracting
particles.
- For this model system we can derive a formula for the probability of a
molecular state.
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