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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
8.20Â Â Â A feed stream containing a mixture of 40% n-butane, 30% n-pentane, and 30% n-hexane flows into a flash unit. The flash temperature is 290 K and the flash pressure is 0.6 bar. What is the ratio of the exit vapor flow rate to the feed flow rate? What are the compositions of the exit streams?
8.21   Calculate the liquid and vapor compositions of butane (a) and n-hexane (b) at 0°C and
0.5 bar. You may assume the liquid forms an ideal solution.
8.23 Calculate the liquid and vapor compositions of n-pentane (a) and benzene (b) at 16°C and
0.333 bar. The excess Gibbs energy can be described by the two-suffix Margules equation with
A 5 1816 3J/mol 4.
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