Cited by 247Chemical Thermodynamics and Molecular StructureThermodynamic properties of mixturesChemical and Physical Properties in Aqueous Solutions

The thermodynamics of solvation of ions. Part 2.—The enthalpy of hydration at 298.15 K

Marcus, Yizhak·1987·Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases

Abstract

So-called ‘absolute’ standard molar enthalpies of hydration of individual ions at 298.15 K have been obtained from the conventional data by means of the widely employed TATB extrathermodynamic assumption, i.e. that ΔhydH°[(C6H5)4As+]=ΔhydH°[(C6H5)4P+]=ΔhydH°[B(C6H5)–4]. This is possible by the evaluation of the standard molar enthalpies of hydration of salts involving the tetraphenyl ions with suitable counter-ions from their lattice enthalpies and heats of solution and appropriate combinations of these data. The resulting value of the standard molar enthalpy of hydration of the hydrogen ion, ΔhydH°[H+]=–1103 ± 7 kJ mol–1, agrees with the values obtained by other reliable methods. The values of ΔhydH° on this basis of numerous ions are tabulated.

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Crossref · 10.1039/f19878300339

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Authors
Marcus, Y.
Corresponding author
Marcus, Yizhak
Venue
Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
Published
1987
Volume
83
Issue
2
Pages
339
ISSN
0300-9599 (ISSN-L)
OpenAlex
W2017026866
Cited by
247
References
0
Citations by year
2026: 17 · 2025: 7 · 2024: 6 · 2023: 7 · 2022: 7 · 2021: 7 · 2020: 8 · 2019: 10 · 2018: 16 · 2017: 10 · 2016: 14 · 2015: 8 · 2014: 13 · 2013: 8 · 2012: 9
FWCI
2.16
Type
journal article
Language
en
Open access
closed
Locations
Journal of the Chemical Society Faraday Transactions 1 Physical Chemistry in Condensed Phases (publishedVersion)
Topics
  • Physical Sciences › Chemistry › Organic Chemistry › Chemical Thermodynamics and Molecular Structure
  • Physical Sciences › Chemical Engineering › Fluid Flow and Transfer Processes › Thermodynamic properties of mixtures
  • Physical Sciences › Chemical Engineering › Filtration and Separation › Chemical and Physical Properties in Aqueous Solutions
Keywords
ion hydration, hydration enthalpy, tetraphenylborate, tetraphenylphosphonium, lattice enthalpy, enthalpy of solution, solvation thermodynamics

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