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che320_class5edited

# che320_class5edited - Chapter 03 Pure Fluids 1 5 VDW...

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Chapter 03 1 Pure Fluids

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5 VDW equation of state today . VDW EOS cubic equation for Z (compressibility factor) announce . No class Mon 07sep2009 (Labor Day). Review session Mon 31aug2009 4 pm. 1 st exam (8 am on Fri 18sep2009, 111 Wartik). idterm exam Mon 05oct2009 from 8:15 :15. 2 Midterm exam Mon 05oct2009 from 8:15-11:15. assignments . HW 02 due before class Wed 09sep2009. reading: Ch 03
Example. Entropy change of an ideal gas 1 mol of O 2 gas goes from T = 320 K and p = 1.6 bar to T = 410 K and p = 3.4 bar. What is the change in entropy and internal energy? How would this change for a real gas? 3

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Gas pressure by virial equation We have 3.0 mol of iso-propanol vapor at 200 C in 4,000 cm 3 of volume. Experimental values for the virial coefficients of the vapor at 200 C are B = -388 cm 3 /mol and C = -26,000 cm 6 /mol 2 . Find the pressure for a) an ideal gas, b) a real gas with the virial equation Z = 1 + B/V + C/V 2 . 5

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che320_class5edited - Chapter 03 Pure Fluids 1 5 VDW...

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