Elementary Principles 81

# Elementary Principles 81 - 4.48 (cont'd) CON = EKPI/YA0...

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4- 40 4.48 (cont’d) CON = EKPI/YA0 WRITE (6, 3) YA, YB, YC, CON STOP 4 3 WRITE (6, 5) INMAX, EKPI FORMAT (' YA YB YC CON', 1, 4(F6.3, 1X)) FORMAT ('DID NOT CONVERGE IN', I3, 'ITERATIONS',/, * 'CURRENT VALUE = ', F6.3) END \$ DATA 0.5 0.5 0.0 423. 2. RESULTS: YA = 0.500, YB = 0.408, YC = 0.092, CON = 0.156 Note: This will only find one root — there are two others that can only be found by choosing different initial values of ξ a 4.49 a. CH O HCHO H O 42 2 +⎯ ⎯+ ( 1 ) CH 2O CO 2H O 22 ( 2 ) 100 050 mol/s mol CH / mol mol O / mol 4 2 . . ± ± ± ± ± n n n n n 1 2 3 4 5 mol CH / s mol O / s mol HCHO / s mol H O / s mol CO 4 2 2 2 bg 7 unknowns ( ± , ± , ± , ± , ± , ± , ± nnnnn 1234512 ξξ ) 5 12 equations for ± ± , ± n i e j 2 DF b. ± ±± n 11 2 50 =−− ( 1 ) ± n 21 2 50 2 =− ( 2 ) ± ± n 31 = ( 3 ) ± n 41 2 2 =+ ( 4 ) ± ± n 52 = ( 5 ) c.
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## This note was uploaded on 02/27/2012 for the course CHEMICAL E 312 taught by Professor Cheung during the Fall '11 term at The University of Akron.

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