Elementary Principles of Chemical Processes, Binder Ready Version
Elementary Principles of Chemical Processes, Binder Ready Version
4th Edition
ISBN: 9781118431221
Author: Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher: WILEY
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Chapter 2, Problem 2.55P
Interpretation Introduction

(a)

Interpretation:

The units of Do and E should be identified.

Concept introduction:

Diffusivity is calculated as follows.

D=Doexp(E/RT)

Where,

Do = the preexponential factor.

E = the activation energy for diffusion.

R = 1.987 cal/(mol×K).

Interpretation Introduction

(b)

Interpretation:

The plot for straight line on rectangular coordinates should be explained.

Concept introduction:

Diffusivity is calculated as follows.

D=Doexp(E/RT)

Where,

Do = the preexponential factor.

E = the activation energy for diffusion.

R = 1.987 cal/(mol×K)

Interpretation Introduction

(c)

Interpretation:

Plot the data in rectangular coordinates and find the values for D0 and E from the resulting line.

Concept introduction:

Diffusivity is calculated as follows:

D=Doexp(E/RT)

Where,

Do = the preexponential factor.

E = the activation energy for diffusion.

R = 1.987 cal/(mol×K).

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