Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 80: Issue 3
Thermodynamic investigation of zirconium diselenite
Author:
Valery P. Nesterenko Belarusian National Technical University 65, Scaryna Avenue, Minsk 220027, Republic of Belarus

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Pages:
575–577
Online Publication Date:
31 May 2005
Publication Date:
01 Jun 2005
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-005-0696-4
Keywords:
enthalpy; thermodynamics; dissolution; calorimeter; thermochemical cycle; zirconium diselenite
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Summary On the basis of calorimetric research of selenium dioxide, zirconium dioxide and zirconium diselenite dissolution reactions in the hydrofluoric acid solution under 298 K a standard enthalpy of Zr(SeO3)2 formation reaction from ZrO2 and SeO2 and a standard enthalpy of zirconium diselenite formation have been obtained. The value of enthalpy has been equal to -58.1±3.43 kJ mol-1 in ZrO2(solid)+2SeO2(solid) ?Zr(SeO3)2(solid) reaction. The standard enthalpy of zirconium diselenite formation is equal to ?Hf,2980Zr(SeO3)2(solid)= -1603.2±3.8 kJ mol-1. The ?Hf,2980 Zr(SeO3)2(solid) value has been determined for the first time.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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