What are the following partial derivatives for the van der Waals equation of state? The number of moles is constant so let’s use the molar volume form of the equation: What are the following partial derivatives for the van der Waals equation of state? The number of moles is constant so let’s use the molar volume form of the equation:                                         (P+a/V2) (V-b) = RT a) (∂P/∂a)V,T,b     b) (∂P/∂b)V,T,a  Provide an interpretation for the partial derivatives in parts a) and b).

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter1: Gases And The Zeroth Law Of Thermodynamics
Section: Chapter Questions
Problem 1.51E: Numerically evaluate for one mole of methane acting as a van der Waals gas at a T = 298 K and V =...
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What are the following partial derivatives for the van der Waals equation of state? The number of moles is constant so let’s use the molar volume form of the equation:

What are the following partial derivatives for the van der Waals equation of state? The number of moles is constant so let’s use the molar volume form of the equation:

                                        (P+a/V2) (V-b) = RT

a) (∂P/∂a)V,T,b    

b) (∂P/∂b)V,T,a

 Provide an interpretation for the partial derivatives in parts a) and b).

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