Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Yu. A. Kondrat'ev"'
Publikováno v:
Metallurgist. 66:130-138
Autor:
N. Yu. Gugin, I. V. Kazakov, Anna V. Pomogaeva, Yu. V. Kondrat’ev, Vitalii V. Suslonov, Anna S. Lisovenko, Nadezhda A. Shcherbina, A. Yu. Timoshkin
Publikováno v:
Russian Journal of General Chemistry. 89:1162-1168
The crystal structure of the new polymorphic modification of B(C6F5)3·Py complex was determined. It was shown by a static tensimetric method using a membrane null manometer that in the condensed phase in an excess of pyridine, B(C6F5)3·Py complex i
Autor:
M. V. Chislov, A. V. Butlak, I. V. Kazakov, Yu. V. Kondrat’ev, I. S. Krasnova, A. Yu. Timoshkin
Publikováno v:
Russian Journal of Physical Chemistry A. 92:640-645
Thermal effects of the decomposition of potassium, calcium, and strontium amidoboranes at 354, 421, and 483 K are determined via drop calorimetry. The processes of decomposition are weakly exothermic and accompanied by the evolution of hydrogen. Upon
Publikováno v:
Russian Journal of General Chemistry. 86:5-8
The enthalpies of stepwise oxidation reactions of the ions [Mo2(SO4)4]4– → [Mo2(SO4)4]3– → [Mo2(SO4)4]2– → [Мо2(μ-О)2O2(Н2О)6]2– → 2(MoO4)2–, and also the enthalpies of formation of the binuclear molybdenum complexes K3[Mo2(SO
Autor:
E. I. Davydova, Alexey Y. Timoshkin, Anna S. Lisovenko, T. N. Sevastianova, Anna V. Pomogaeva, Yu. V. Kondrat’ev
Publikováno v:
Thermochimica Acta. 686:178571
High temperature tensimetry data on homogeneous gas phase dissociation of donor-acceptor complexes of group 13–15 metal halides have been analyzed. Thermodynamic characteristics and heat capacities have been computed by DFT methods. Standard dissoc
Publikováno v:
Thermochimica Acta. 622:64-71
Thermal behavior of ammonia borane BH3NH3 (AB) has been studied by calorimetry, tensimetry and mass spectrometry methods. It is shown, that depending on vapor pressure in the system two competitive processes are taking place at 357 K. At atmospheric
Publikováno v:
Russian Journal of General Chemistry. 85:2505-2508
The heat effect of ammonia borane decomposition at 357 K under atmospheric pressure in glass and copper cells has been determined by calorimetry. The enthalpy of BH3NH3 heat-induced decomposition in glass ampoules is of–24.8±2.3 kJ/mol; this value
Publikováno v:
Russian Journal of General Chemistry. 85:2227-2232
Formation of Mo2(CF3COO)4 and HMPTA 1 : 1 and 1 : 2 adducts in 1,2-dichlorethane was found by IR spectroscopy. The enthalpies and equilibrium constants of reactions (298.15 K) of the consecutive formation of Mo2(CF3COO)4·HMPTA and Mo2(CF3COO)4·2HMP
Publikováno v:
Colloid Journal. 77:154-159
Octadecylamine (ODA)-based Langmuir-Blodgett films modified with metal hexacyanoferrates are promising ion-exchange systems. The analysis of compression isotherms has led to the conclusion that iron and copper hexacyanoferrates are embedded into ODA
Publikováno v:
Russian Journal of General Chemistry. 84:2393-2396
Regions of the [Mo2(SO4)4]4- ion stability in H2SO4 solutions were determined spectroscopically. Standard enthalpies of formation of the crystal hydrate K4[Mo2(SO4)4]4·2H2O and of anhydrous K4[Mo2(SO4)4] were determined by a direct calorimetric meth