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# Chap6prac - Chapter 6 Practice Problems(P6.2 Pr = 30 Tr =...

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Chapter 6 Practice Problems To accompany Introductory Chemical Engineering Thermodynamics © J.R. Elliott, C.T. Lira, 2001, all rights reserved. (7/6/2001) 1 of 2 (P6.2) 15 , 30 = = r r T P (a) Use virial equation of state. r r T P B B Z / ) ( 1 1 0 ω + + = …………………………………………..Eqn. 6.6 Where, 2 . 4 1 6 . 1 0 172 . 0 139 . 0 422 . 0 083 . 0 r r T B T B = = ………………………………. Eqns. 6.8 & 6.9 ) ( 041 . 0 & 138998 . 0 & 077459277 . 0 1 0 book B B = = = ω 14 . 1 15 30 * ) 138998 . 0 * 041 . 0 077459277 . 0 ( 1 = + = Z (b) ?? = ρ MPa P P P K T T T C r C r 59 . 79 30 * 653 . 2 * 666 4 . 44 * 15 * = = = = = = 3 3 / 254 . 0 93 . 3 1 1 / 93 . 3 179 . 20 * 59 . 79 666 * 314 . 8 * 14 . 1 * * * , cm g V g cm MW P T R Z V RT PV Z = = = = = = = ρ (P6.4) K C F T MPa atm P K T O O 15 . 298 25 77 1 . 0 1 111 2 1 1 = = = = = Use PREOS.XLS, Use Solver, and set target cell on the volume and make it equal to 33.639114*2 = 67.278228, Then by changing the cell of pressure, making sure that T 2

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