The boiling points of non-polar liquids have been found to correlate well with R m V ja:math where R m is the molar refractivity and V the molar volume. A method for estimating the boiling points of alkanes and perfluoroalkanes ( F -alkanes), using estimated values of R m and V , ...
Boiling pointsMolecular structure–propertyMultifunctional autocorrelation methodAlkanesLinear modeling methodThe concept of the multifunctional autocorrelation method (MAM), governing the global description of molecules, has been changed to take into account the structural environment of each atom in all ...
Ruban, Extended molecular con- nectivity: predication of boiling points of alkanes. J. Struct. Chem. 38, 965-969 (1997)Toropov, A. A.; Toropova, A. P.; Ismailov, T. T.; Voropaeva, N. L.; Ruban, I. N. Extended Molecular Connectivity: Prediction of the Boiling Points of ...
A general perception among researchers is that boiling points, which is a key property in the optimization of lubricant performance, are difficult to predict successfully using a single-parameter model. In this contribution, we propose a new graph parame
Relations between the boiling points of perfluoro-ethers, perfluoroalkanes and normal alkanes The non-available boiling points of the higher perfluoroalkanes have been estimated from the relationship T F = 0.247 T H 脳 M F / M H where T F and T H ... AA Woolf - 《Journal of Fluorine ...
Based on the characteristics of molecular structure, the adjacent matrix and dyeing matrix were used to characterize the molecular structure of alkane and cycloalkane, a new method——the group contribu-tion method, was developed to calculate the boiling points of alkane and cycloalkanes from molecul...
Havelow boiling points. However, for straight-chain alkanes, the molecular size increases with the length of carbon chain, and thus thevan der Waal's forces between molecules become stronger, thusthe boiling point increases. Have thelowest densityamong all groups of carbon compounds. ...
However, the melting and boiling points may vary within the series due to differences in molecular sizes and intermolecular forces. Rate this question: 9 1 5. Name the test used to determine where an alkene is present. A. Water Bromine B. Bromine Alkene Test C. Bromine water test ...
Boiling Points (沸点): 1) show a regular increase with increasing molecular weight. 碳原子数目—— 数目↑,b.p↑ 2) Increased branching lowers an alkane’s boiling point. 碳原子数目相同——支链↑,b.p ↓ The order of boiling point: 1 2 3 4 (分子量) Density (密度): Physical Properties...
14、s of Alkanes and CycloalkanesSynthesis of Alkanes and CycloalkanesPhysical Properties of Alkanes and Cycloalkanes The physical properties of alkanes due to the presence of weak dispersion force (色散力色散力) between the molecules.Boiling Points (沸点沸点):1) show a regular increase with increasin...