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The standard molar enthalpies of formation of SrTeO3and SrTe2O5

โœ Scribed by R. Mishra; S.R. Bharadwaj; A.S. Kerkar; S.R. Dharwadkar

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
123 KB
Volume
30
Category
Article
ISSN
0021-9614

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โœฆ Synopsis

The molar enthalpies of solution of SrTeO , SrTe O , TeO , and SrCO in HCl aq, 3 2 5 2 3 . y 3 . c s 11 mol dm have been measured by using an isoperibol calorimeter. From these T ลฝ . results and other auxiliary data, the standard molar enthalpies of formation โŒฌ H 298.15 K f m . y1 ลฝ . ลฝ . ลฝ . of SrTeO cr and SrTe O cr have been calculated to be y 1026.0 " 10.7 kJ mol and 3 2 5

. y 1 ลฝ . y 1381.2 " 12.9 kJ mol , respectively. These values of enthalpies of formation are consistent with the second-law enthalpies of formation derived from their vapour pressures determined in this laboratory by a transpiration technique.

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