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14.2 The Boltzmann factor e (- ε /kT) December 7, 2010
Aims ,[object Object],[object Object],[object Object]
Getting extra energy by chance ,[object Object],[object Object],[object Object]
Think about playing pool…
How many will get lucky? ,[object Object],[object Object],[object Object],[object Object],[object Object]
How often you get lucky? ,[object Object],[object Object]
 
 
 
 
Flying high Dense Less dense Gravity Diffusion
 
fraction of molecules mgh The idea is generally applicable
Hotter goes faster
 
 
 
rate of reaction is proportional to exp(-e/kT)
Soft matter
Soap, cell membranes and wristwatches
The molecules don’t care
Quick check questions (page 132)
Questions 1-7 (pg 134)
Test

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14.2 boltzmann factor