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The standard molar enthalpies of formation of CaTeO3and CaTe2O5

โœ Scribed by R. Mishra; S.R. Bharadwaj; S.R. Dharwadkar; S.S. Sawant; R. Kalyanaraman

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
131 KB
Volume
29
Category
Article
ISSN
0021-9614

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โœฆ Synopsis

The molar enthalpies of solution of CaTeO3, CaTe2O5, TeO2, and CaCO3 in HCl(aq, ) have been measured by using an isoperibol calorimeter. From these results and other auxiliary data, the standard molar enthalpies of formation DfHยฐm(298.15 K) of CaTeO3(s) and CaTe2O5(s) have been calculated to be -(985.4 2 4.8) kJโ€ขmol -1 and -(1337.4 2 7.2) kJโ€ขmol -1 , respectively. These values are consistent with the second law enthalpies of formation of the compounds determined in this laboratory by a transpiration technique.

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