Results 11 to 20 of about 35,050 (341)

7‑Methoxy-4-methylcoumarin: Standard Molar Enthalpy of Formation Prediction in the Gas Phase Using Machine Learning and Its Comparison to the Experimental Data

ACS Omega, 2023
Fausto Díaz-Sánchez, Miguel Angel García-Castro, María Patricia Amador-Ramírez, Diego Espinosa-Morales, Jenaro Leocadio Varela-Caselis   +4 more
doaj   +2 more sources

Gibbs free energy of formation of Cu2In2O5 ternary phase determined by E.M.F. method [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2022
Employing electrochemical cells with the solid zirconia electrolyte: Cu2O,CuO/O2-/air Cu2In2O5, In2O3,Cu2O/O2-/air In,In2O3/O2-/Ni, NiO Gibbs free energy of formation of solid Cu2In2O5 phase as well as that for In2O3 and CuO oxides was ...
Jendrzejczyk-Handzlik Dominika, Handzlik Piotr   +1 more
doaj   +1 more source

Thermodynamic measurements and ab initio calculations of the indium-lithium system [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2023
The limiting enthalpy of the solution of liquid indium in liquid tin was measured at 723 K. The calorimetric method was applied to determine the standard enthalpy of the formation of intermetallic phases and alloys from the In-Li system. The measurements
Dębski A., Gierlotka W., Zabrocki M., Góral A., Gąsior W.   +4 more
doaj   +1 more source

Thermochemical Study of 1-Methylhydantoin

Molecules, 2022
Using static bomb combustion calorimetry, the combustion energy of 1-methylhydantoin was obtained, from which the standard molar enthalpy of formation of the crystalline phase at T = 298.15 K of the compound studied was calculated.
Juan M. Ledo, Henoc Flores, Fernando Ramos, Elsa A. Camarillo   +3 more
doaj   +1 more source

About the possibility of applying empirical methods of estimation of standard enthalpies of formation of organic compound for fullerenes

Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2023
Due to the high practical significance and, as a consequence, active study of carbon nanomaterials, the question of methods for investigating their physicochemical, in particular, thermodynamic properties is relevant.
A.R. El Zanin, S.V. Boroznin, I.V. Zaporotskova, N.P. Boroznina, L.V. Kozhitov, A.V. Popkova   +5 more
doaj   +1 more source

Enthalpy of Formation of the Nitrogen-Rich Salt Guanidinium 5,5′-Azotetrazolate (GZT) and a Simple Approach for Estimating the Enthalpy of Formation of Energetic C, H, N, O Salts

Thermo, 2023
The discrepancy between the calculated (CBS-4M/Jenkins) and experimentally determined enthalpies of formation recently reported for the 2:1 salt TKX-50 raised the important question of whether the enthalpies of formation of other 2:1 C, H, N, O salts ...
Ana L. R. Silva, Gastón P. León, Maria D. M. C. Ribeiro da Silva, Thomas M. Klapötke, Jelena Reinhardt   +4 more
doaj   +1 more source

Correlation between standard enthalpy of formation, structural parameters and ionicity for alkali halides [PDF]

Journal of the Serbian Chemical Society, 2013
The standard enthalpy of formation (ΔHo) has been considered to be an interesting and useful parameter for the correlation of various properties of alkali halides.
Nasar Abu
doaj   +1 more source

Energetic Effects in Methyl- and Methoxy-Substituted Indanones: A Synergistic Experimental and Computational Study

Applied Sciences, 2023
This experimental and computational study on the energetic properties of 2-methyl-, 3-methyl-, 4-methoxy- and 5-methoxy-indanones has been carried out using mostly calorimetric techniques and a suitable computational approach.
Ana L. R. Silva, Gastón P. León, Maria D. M. C. Ribeiro da Silva   +2 more
doaj   +1 more source

Decomposition Pressures and Standard Enthalpy of Formation for the Iron Selenides FeSe, Fe7Se8, Fe3Se4 and FeSe2. [PDF]

, 1972
Sven R. Svendsen, Gunvor Åkesson, J. Krogh-Moe, Jon Songstad, Åke Pilotti   +4 more
openalex   +2 more sources

Sharp Bounds of First Zagreb Coindex for F-Sum Graphs

Journal of Mathematics, 2021
Let G=VE,EG be a connected graph with vertex set VG and edge set EG. For a graph G, the graphs S(G), R(G), Q(G), and T(G) are obtained by applying the four subdivisions related operations S, R, Q, and T, respectively. Further, for two connected graphs G1
Muhammad Javaid, Muhammad Ibraheem, Uzma Ahmad, Jia-Bao Liu   +3 more
doaj   +1 more source