lec11 - Lecture 11 Thursday 2/7/08 Determining the Rate Law...

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Lecture 11 Thursday 2/7/08 Determining the Rate Law from Experimental Data Integral Method Graphical Method Nonlinear Least Regression Multiple Reactions The Four Types What’s New to Our Algorithm Reactions in Series
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Levenspiel Plot F A 0 - r A X
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Two steps to get Step 1: Rate Law Step 2: Stoichiometry Step 3: Combine to get - r A = fX (29 - r A = gC i (29 C i ( 29 = hX (29 - r A = fX (29
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Finding Rate Laws, Multiple Reactions ( 29 [ ] A A A A A Ai C k dt dC kC dt dC kt C C ln ln ln 1 1 1 1 0 α + = - = - - - = - - Slope = α C A dC A /dt ln ln Ap p A C dt dC k - = t(min) 0 1 2 3 C A (mol/L) 1 0.7 0.5 0.35 0.3 0.2 0.15 t C A - Find the f(t) of using equal area differentiation t C A - t C A - .1 .2 .3 t 1 2 3 Areas equal for both sides of the histogram C A 1 0.7 0.5 0.35 -dC A /dt 0.35 0.25 0.175 0.12 Plot –dC A /dt as a function of C A α = slope Ap p A C dt dC k - = ln C A Slope = α dC A /dt
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This note was uploaded on 09/28/2011 for the course CHEMICAL E 534 taught by Professor Fogler during the Spring '11 term at University of Michigan-Dearborn.

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lec11 - Lecture 11 Thursday 2/7/08 Determining the Rate Law...

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