Fundamentals of Momentum, Heat, and Mass Transfer
Fundamentals of Momentum, Heat, and Mass Transfer
6th Edition
ISBN: 9781118947463
Author: James Welty, Gregory L. Rorrer, David G. Foster
Publisher: WILEY
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Chapter 24, Problem 24.19P
Interpretation Introduction

Interpretation: The diffusivity of solutes in a liquid mixture is to be determined by various models.

Concept Introduction: The diffusivities of liquid species in the mixture (that is of solute in solvent) are determined by various theoretical models, two of which are namely, Wilke-Chang and Scheibel equations. Both models are based on the molar properties of interactive species. Wilke-Chang, in particular, theorizes this by investigating the association parameter for various solute species in infinite dilute solutions. More interestingly, both models apply to non-electrolyte solutions.

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