notes06-07-page128 - e.g T P independent then heat capacity...

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16.3. Equations of State The macroscopic properties of matter are related to one another via a phenom- enological equation of state. The state of a pure, homogeneous material (in the absence of external elds) is given by the values of any two intensive properties. (More complicated systems require more than two independent variables, but behav einthesamewaya sthemo res imp
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Unformatted text preview: e.g., T , P independent then heat capacity is a function of T and P , C ( T, P ) . 16.3.1. Example 1: The Ideal Gas Law The equation of state for volume of an ideal gas is PV = nRT , (16.10) where R is the gas constant (8.315 J K − 1 mol − 1 ) and n is the number of moles. The ideal gas equation of state can be expressed in terms of intensive variables only PV m = RT , (16.11) where V m = V n . The equation of state can also be expressed in terms of density ρ = m V (and molar mass m/n ) ρ = mP nRT = MP RT . (16.12) 116...
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This note was uploaded on 01/08/2012 for the course CHEM 351 taught by Professor Makin during the Spring '09 term at SUNY Stony Brook.

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