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CHBE 241 Material and Energy Balances
Department of Chemical and Biological Engineering
The University of British Columbia
Assignment #6
Due: Friday, 1 December 2006, 4:30pm CHBE Main Office
To solve some of the equations, you might want to use Excel and the procedures described in the
textbook (p. 628, “Finding Roots of Nonlinear Equations”).
1. Use the Antoine equation to calculate the boiling point temperature of water
(a) In Vancouver
(b) at Blackcomb.
2. A saturated liquid solution of benzene and naphthalene is equilibrated at 45
◦
C and 1 atm.
What is the mol% benzene in solution? If the solution is cooled slightly such that a solid
phase forms, will the solid be pure benzene, pure naphthalene, or a mixture? (Refer to Figure
5.12, or to Table B.9 in the textbook.)
3. Use the Antoine equation along with constants given in App. B, to calculate saturation tem
peratures of the nalkanes (npentane, nhexane, nheptane, and noctane), the nalcohols
(methanol, ethanol, npropanol, and nbutanol) and water at 1 atm. Plot the saturation tem
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This note was uploaded on 04/05/2010 for the course CHEBE 241 taught by Professor Ali during the Spring '08 term at The University of British Columbia.
 Spring '08
 ali

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