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Modern Thermodynamics for Chemists and Biochemists$
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Dennis Sherwood and Paul Dalby

Print publication date: 2018

Print ISBN-13: 9780198782957

Published to Oxford Scholarship Online: August 2018

DOI: 10.1093/oso/9780198782957.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (www.oxfordscholarship.com). (c) Copyright Oxford University Press, 2019. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 13 October 2019

From ideal to real

From ideal to real

Chapter:
(p.655) 22 From ideal to real
Source:
Modern Thermodynamics for Chemists and Biochemists
Author(s):

Dennis Sherwood

Paul Dalby

Publisher:
Oxford University Press
DOI:10.1093/oso/9780198782957.003.0022

Up to this point, the analyses throughout the book have related to ideal states – in particular, ideal gases and ideal solutions. This chapter shows how the theory developed for ideal states can be modified for real states, and introduces the concepts of fugacity, the fugacity coefficient, activity, the activity coefficient and ionic strength.

Keywords:   ideal gas, real gas, ideal solution, real solution, pressure, mole fraction, molality, molar concentration, fugacity, fugacity coefficient, activity, activity coefficient, ionic strength, Debye-Hückel law

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