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Regression Methods To Extract Partial Molar Volume Values in the Method of Intercepts

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Leon F. Loucks

University of Prince Edward Island, Chemistry Department, Charlottetown, Prince Edward Island C1A 4P3, CANADA

J. Chem. Educ., 1999, 76 (3), p 425

DOI: 10.1021/ed076p425

Publication Date (Web): March 1, 1999

Section:

History, Education, and Documentation

Abstract

Molar volume data can now be readily analyzed by regression techniques of spreadsheet software to generate an equation that fits the data well and includes the curvature in the plot of VM against mole fraction. This method has been applied to the binary system of ethanol-ethylene glycol and data are provided for the t-amyl alcohol-toluene system. This method of analysis is much more precise than graphical methods and it extends the laboratory experiment to utilize modern computer techniques.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Physical Chemistry

Keywords (Subject):

Thermodynamics

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

Partial Molar Volumes from Refractive Index Measurements
Anthony F. Fucaloro
Journal of Chemical Education2002 79 (7), 865
- Partial Molar Volumes from Refractive Index Measurements
  Anthony F. Fucaloro
  Journal of Chemical Education2002 79 (7), 865
  A quick, convenient, and accurate method for estimating partial molar volumes for binary liquid mixtures from measurements of index of refraction as a function of composition is presented. The method relies upon the additive properties of molar ...
  Abstract | Hi-Res PDF | PDF w/ Links
Rapid Microdetermination of Partial Molar and Excess Molar Volumes
Bruno Lunelli and Francesco Scagnolari
Journal of Chemical Education2002 79 (5), 626
- Rapid Microdetermination of Partial Molar and Excess Molar Volumes
  Bruno Lunelli and Francesco Scagnolari
  Journal of Chemical Education2002 79 (5), 626
  A new microscale procedure is given for the determination of partial and excess molar volumes of binary liquid mixtures.
  Abstract | Hi-Res PDF | PDF w/ Links