The corresponding standard enthalpies of sublimation of the two compounds have been calculated from vapour pressure against temperature measurements made by means of a Bourdon gauge. The table below summarizes the results of the experimental measurements which are compared with those calculated via ...
The standard molar enthalpies of formation at 298.15 K were derived for the title compounds from the enthalpy changes: Compound −ΔfHmo/(kJ·mol−1) Be(C5H7O2)2(cr, α) 1233.2 ± 2.2 Be(C5H7O2)2(cr, γ) 1233.1 ± 2.2 Be4O(C2H5CO2)6(cr) 4738.2 ± 2.4 Be4O(NO3)6(cr) ...
The standard enthalpies of formation cerium alloys, Ce+Me (Me=Ru, Rh, Pd, Ir, Pt) and of lutetium alloys, Lu+Me (Me=Rh, Pd, Ir, Pt) were determined by direct synthesis calorimetry at 1473±2 K. The following values of ΔH(kJ/g-atom) are reported: CeRu, -(27.9±1.5); CeRh...
ChemInform Abstract: Standard Enthalpies of Formation of Tellurium Compounds. Part 1. Tellurium Dioxide. Part 2. Cs2Tethermodynamic functions, thermochemistryNo abstract is available for this article.doi:10.1002/chin.198727011CORDFUNKE, E. H. P....
The two complexes, [RE(Gly)4(Im)(H2O)](ClO4)3(s)(RE = Eu, Sm), have been synthesized and characterized. The standard molar enthalpies of reaction for the f
2.DepartmentofChemistry,NankaiUniversity,Tianjin300071,China) Abstract:Anewinorganicchemistryexperimentof“Determinationofstandardenthalpiesofformationandlattice energiesofammoniumchlorideandammoniumsulfate”hasbeendesigned.Toreducethemeasurementerror, temperaturewasmeasuredbydigitalBeckmanthermometerandtheexperimentaldatawerepasse...
ChemInform Abstract: Standard Enthalpies of Formation of Hydroxides. Part 3. LiOHthermodynamic functions, thermochemistrylithium, LiNo abstract is available for this article.doi:10.1002/chin.198934020KONINGS, R. J. M.CORDFUNKE, E. H. P.OUWELTJES, W....
Intermetallic compoundsHigh-temperature direct synthesis calorimetrySince the early 1980s, experimental studies of the standard enthalpies of formation of the ... GOJ Kleppa - 《Journal of Alloys & Compounds》 被引量: 96发表: 2001年 Thermochemistry of binary alloys of transition metals: The systems...
Standard Molar Enthalpies of Formation for the Two Hydrated Calcium Borates x CaO·5B 2 O 3 · y H 2 O ( x = 2 and 4, y = 5 and 7) Two pure calcium borates of 2CaO·5B2O3·5H2O (I) and β-4CaO·5B2O3·7H2O (II) have been synthesized under hydrothermal condition and ...
The standard molar enthalpies of formation of the two complexes at T = 298.15 K were derived as Δf H mΘ {Eu(Gly)4(Im)(H2O)}(ClO4)3(s)} = = −(3396.6±2.3) kJ mol−1 and Δf H mΘ {Sm(Gly)4(Im)(H2O)}(ClO4)3(s)} = −(3472.7±2.3) kJ mol−1, respectiv...