EBK ELEMENTARY PRINCIPLES OF CHEMICAL P
EBK ELEMENTARY PRINCIPLES OF CHEMICAL P
4th Edition
ISBN: 9781119192107
Author: BULLARD
Publisher: JOHN WILEY+SONS,INC.-CONSIGNMENT
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Chapter 2, Problem 2.41P
Interpretation Introduction

Interpretation:

The data should be plotted as liner plot and values of a and b with units should be estimated.

Concept introduction:

The van’t Hoff equation represents how the equilibrium constant for a reaction or a process will vary with temperature. However, in this case, it is used to develop a relationship between temperature and mole fraction when a reaction is carried out in several process steps.

The van’t Hoff equation is given as,

lnx=(a/T)+b

Where, T is temperature and x is mole fraction, a, b are constants.

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L-Serine is an amino acid important for its roles in synthesizing other amino acids and for its use in intravenous feeding solutions. It is often synthesized commercially by fermentation, and recovered by subjecting the fermentation broth to several processing steps and then crystallizing the serine from an aqueous solution. The solubilities of L-serine (L-Ser) in water have been measured at several temperatures, producing the following data:5T(K) 283.4 285.9 289.3 299.1 316.0 317.8 322.9 327.1x(mole fraction L-Ser) 0.0400 0.0426 0.0523 0.0702 0.1091 0.1144 0.1181 0.1248One of the ways such data can be represented is with the van’t Hoff equation: ln x  =( a=T b).Graph the data so that the resulting plot is linear. Estimate a and b and give their units.
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