ProblemSet_3_Fall2008

ProblemSet_3_Fall2008 - CHEM 3615 Problem Set #3 Real Gases...

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Page 1 of 2 CHEM 3615 Problem Set #3 –Real Gases Due September 16, 2008 We will be completing Chapter 1 and starting Chapter 2 during the week of September 15. Start reading Chapter 2. Problems 1 through 6 are due at the start of class and will be graded. 1. The experimental critical constants for HCl are 374 °C, 81.5 atm, and 81.0 cm 3 /mol. Calculate the values of a, b, and R using the van der Waals equation. Compare the value of R with the correct value [0.08206 Latm/(mol K)] and note the % difference. Compute the constants a and b only from p c and T c using the correct value of R. Using these values and the correct value of R, calculate the critical volume and compare it with the experimental value. 2. If Z = 0.9948 at 327 °C and 1.00 atm and the Boyle temperature of the gas is 1900 K, estimate the values of a and b. (Use the first two terms Z = 1 + B'p from the van der Waals equation of state where B' is a function of a and b as derived in class). 3.
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This note was uploaded on 09/29/2008 for the course CHEM 3615 taught by Professor Aresker during the Fall '07 term at Virginia Tech.

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ProblemSet_3_Fall2008 - CHEM 3615 Problem Set #3 Real Gases...

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