Class4 (2)

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Class #4 PHYS-245 Introduction to Statistical Mechanics and Thermodynamics Dept. of Physics & Astronomy Jan 27th 2023 1 1
2 Previously on PHYS245 Boltzmann distribution Probability of exciting a 1-microstate system to energy (assumes system reaches thermal equilibrium and "spends" its time in the most likely macrostate) 2
Molecules at motion 3 Molecular system idealization Point-like Translational kinetic energy only, No molecule-molecule interactions beyond momentum exchange Gas of molecules in thermal equilibrium 3
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