meso‐ and (±)‐1,2‐dicyano‐1,2‐diphenylethaneBENZOIC ACIDSENTHALPY OF FORMATIONISOMERSTOLUENESFirst page of articledoi:10.1107/S0108270193008121L. L. KohY. XuK. Y. SimE. LiangH. H. HuangInternational Union of Crystallography (IUCr)Acta Crystallographica Section C...
ΔcH°solid : Standard solid enthalpy of combustion (kJ/mol). Cp,gas : Ideal gas heat capacity (J/mol×K). Cp,solid : Solid phase heat capacity (J/mol×K). η : Dynamic viscosity (Pa×s). EA : Electron affinity (eV). ΔfG° : Standard Gibbs free energy of formation (kJ/mol)...
Enthalpy FormationIt is defined as the change in enthalpy when 1 mole of a substance is formed from a pure element. It is denoted by delta H. It is calculated by the sum of the standard enthalpy formation of product minus enthalpy formation of reactants....
This paper reports the values of the standard ( p = 0.1 MPa) molar enthalpy of formation in the gas phase, at T = 298.15 K, for 3-hydroxypropanenitrile de... MV Roux,R Notario,E Vélez,... - 《Journal of Chemical Thermodynamics》 被引量: 31发表: 2007年 加载更多来源...
(14)Molar Volume: 87.9 cm3; (15)Polarizability: 10.61×10-24 cm3; (16)Surface Tension: 36.4 dyne/cm; (17)Enthalpy of Vaporization: 34.77 kJ/mol; (18)Vapour Pressure: 12 mmHg at 25°C; (19)Rotatable Bond Count: 1; (20)Exact Mass: 187.865929; (21)MonoIsotopic Mass: 185.867975; (22...
Enthalpies of hydrogen bond formation of 1-octanol with aprotic organic solvents. A comparison of the solvation enthalpy, pure base, and non-hydrogen-bondi... and n-octane) have been determined in 13 solvents (heptane, cyclohexane, CCl4, 1,1,1-trichloro-ethane, 1,2-dichloroethane, triethylamin...
Molar Enthalpy (Btu/lb-mole) −4.101e+04 −4.031e+04 −1.233e+05 Table 1B: Ethane Conditioning Process Stream Properties Property S4 S9 S10 Vapor Fraction 0.0000 0.0000 0.0000 Temperature (F.) 88.58 80.00 * −30.00 * Pressure (psia) 1000 995.0 990.0 Molar...
Computed thermodynamic properties including heat capacity, entropy, enthalpy, and free energy functions are reported as a function of temperature. A theoretical heat of formation was evaluated for both molecules from applicable homodesmic reactions (Delta H degrees(f,298)(CH2FCHF2) = -156.8 +/- ...
Using spectra recorded at different temperatures the complexation enthalpy Δ exp H for the complexes were determined to be 12.1(1), 12.9(1) and 12.6(1) kJ mol 1, respectively. The results are compared with theoretical data obtained by combining ab initio complexation energies with thermal and ...
Previous estimates of the enthalpy of formation of dimethyldiazene (azomethane) involved the assumption that the group, N N , can be replaced by a C C double bond, or a C C single bond, without affecting significantly the energy of attaching alkyl radicals to the given group. New ...