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Structural Chemistry

, Volume 20, Issue 1, pp 31–35 | Cite as

The heat capacities and standard entropies of corresponding potassium and ammonium ion species: is there a constant difference?

  • H. Donald B. Jenkins
  • Joel F. LiebmanEmail author
  • Maja Ponikvar
  • Steve Scheiner
Original Research

Abstract

It is found that there is a nearly constant difference between the normalized values of the heat capacities and standard entropies of potassium and ammonium ion salts in the condensed phase, both solid salts and their aqueous solutions. Extension to the free gaseous ions remains moot.

Keywords

Potassium ion Ammonium ion Aqueous solutions Gas phase ion chemistry Salts Heat capacity Standard entropy Quantum thermochemistry Estimation 

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • H. Donald B. Jenkins
    • 1
  • Joel F. Liebman
    • 2
    Email author
  • Maja Ponikvar
    • 3
  • Steve Scheiner
    • 4
  1. 1.University of WarwickCoventryUK
  2. 2.Department of Chemistry and BiochemistryUniversity of Maryland, Baltimore CountyBaltimoreUSA
  3. 3.Jožef Stefan InstituteLjubljanaSlovenia
  4. 4.Department of Chemistry and BiochemistryUtah State UniversityLoganUSA

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