che320_class8edited

# che320_class8edited - 8 Fugacity for 1-component today...

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8 Fugacity for 1-component today . example calc of fugacity Poynting factor for pressure f or φ from compressibility factor (Z) or EOS generalized correlations VLE for pure substance using EOS nnounce ext Mon, Wed XAMPLES!!! 1 announce . next Mon, Wed – EXAMPLES!!! 1 st exam (8 am on Fri 18sep2009, 111 Wartik). Midterm exam Mon 05oct2009 from 8:15-11:15. assignments . HW 03 due before class Wed 16sep2009. reading: Ch 03, start Ch 04

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Example. Fugacity of steam Calculate the fugacity coefficient of water at 70 bar and 300 C. A useful steam table calculator: http://www.spiraxsarco.com/resources/steam- tables/superheated-steam.asp nswer: .82 2 answer: φ = 0.82
Properties of steam at 70 bar, 300 C http://www.spiraxsarc o.com/resources/stea m- bles/superheated 3 tables/superheated- steam.asp

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Properties of steam at 1.0 bar, 300 C 4
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Useful relationships for fugacity 7

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Useful relationships for fugacity 8
Story CENTER: Entrepreneurship C haracter E xcellence Ow n ership nacity 9 T enacity E ntrepreneurship R elationship

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Poynting factor for changes in pressure since along an isotherm VdP dG = 10 homework problem
Using Z to calculate fugacity coefficient ( φ ) 11 homework problem (for moderate P)

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che320_class8edited - 8 Fugacity for 1-component today...

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