Elements of
Chemical Reaction Engineering
6th Edition



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Essentials of
Chemical Reaction Engineering
Second Edition

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Chapter 7: Collection and Analysis of Rate Data

Additional Homework Problems

CDP7-JB

The irreversible liquid-phase reaction

AB + C

is carried out in a batch reactor. The following data were collected during the course of the reaction:

Determine the order of reaction and the specific reaction rate using methods to differentiate your data.

(a) Numerical technique-differentiation formulas.
(Use 's to represent these points on any graphs you make.)
Graphical technique-equal area differentiation. (Use O's to represent these points on any graphs you make.)
Differentiating a polynomial. (use x for these points)
(b)Determine the reaction order.
(c)Assume a rate law of the form

-rA

Integrate the equation for the combined mole balance and rate law and then use nonlinear least-squares analysis to determine and k.

(d)Where would you place additional data points?