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h1. Partial Pressure

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h1. Additional Constraints and Aspects of Equilibrium

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h2. Gibbs Phase Rule

Number of degrees of freedom = <math>2 + n_C - n_P</math>

h1. Partial Molar Quantities

X equiv some extensive quantity (L, V, <math>\delta</math>, S, ...)

<math>\overline_{X_i} \</math>equiv partial molar X of component "i"

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h1. Introduction to Stat Mech

Alice in Boston is sending message to Bob in London. The number of bits in the message is much less (<<) than the number of bits required to transmit (\vec r_1, \vec r_2, ...\vec p_1, \vec p_2) = \delta N where N \sim \delta (10^23)

The "state of system" = F(N,T,V,...) \nequal f(time)

h2. Need two ingredients

1. Microscopic description of system
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2. Mech/Algorithm to find
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h2. Ergodrz Hypothesis
"There should be no time dependence."

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h1. How Our Stat Mech Differs from the Quantum Mechanics in 3.23

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