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Unformatted text preview: Chemistry 353  Homework Set II (Due 10/02/07) Name: 1. (10 points) Solve for the compressibility factor Z , using the van der Waals equation of state. By using mathematical approaches similar to those that you saw in lecture during Week III of class, work out an equation that relates the second virial coefficient b to the van der Waals gas constants a and b . Then go to the literature, find some data regarding the temperature dependence of the virial constant ( b or the related B will do), and see if it is consistent with the relation that you have derived here for Z . 1 2. (10 points) Calculate the work done when one mole of an ideal gas at 300 K is expanded isothermally from 3 atm to 1 atm according to the following processes: i) by expansion against a constant external pressure of 1 atm; ii) first by expansion against a constant external pressure of 2 atm until equilibrium is achieved, followed by expansion against a constant pressure of 1 atm; iii) first by expansion against a constant external pressure of...
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 Spring '08
 Stanton
 Chemistry, Quantum Chemistry

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