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Heat capacities of aqueous perchloric acid and sodium perchlorate at 298°K: ΔC p o of ionization of water |
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| Authors: | Prem Paul Singh Keith G McCurdy Earl M Woolley Loren G Hepler |
| Institution: | (1) Department of Chemistry, University of Lethbridge, Lethbridge, Alberta, Canada;(2) Present address: Department of Chemistry, Punjab Agricultural University, Ludhiana, India;(3) Present address: Department of Chemistry, Brigham Young University, Provo, Utah |
| Abstract: | We have used a Picker flow calorimeter for measurements leading to apparent molal heat capacities of dilute aqueous solutions of HClO4 and NaClO4 at 298°K. Results have been used to derive 
c
°
=–27.1J-°K
–1-mole
–1 for HClO4 (aq.),
c
°
=15.2J-°K
–1-mole
–1 for NaClO4 (aq.), and  C
p=–213.8J-°K–1-mole–1 for ionization of water. |
| Keywords: | Electrolytes heat capacities water ionization heat capacities of electrolytes |
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