Experimental values for N,N-(1,3-phenylene)bis(phthalimide) and three methods of contribution of groups, were used to estimate the enthalpy of formation in gas phase for N,N-(1,3-phenylene)bis(phthalimide-5-carboxilic acid). In order to make the estimation, it was necessary to calculate...
Using known values of standard enthalpies of formation, the enthalpy change for any reaction can be determined.The standard enthalpy of formation of CO2 (g) is −393.5 kJ/mol. This is the enthalpy change for the exothermic reaction:
To calculate the standard enthalpy change of a compound, one must first ensure that the chemical equation is balanced. The next step is to look up the standard enthalpies of formation of the reactants and products in a standard enthalpy of formation table. Then, the values from the standard...
mol-1 , and the standard formation enthalpy of complexes, △fHmθ [Zn ( His) SO4 · H2O (s)] = - 1788. mol~(-1),进而求出配合物Zn(His)SO_4·H_2O(s)的标准生成焓△_fH_m~θ=[Zn(His)SO_4·H_2O(s)]=-1788。 更多例句>> 4) standard formation enthalpies 标准生成焓 1....
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 combustion Δ c H o and formation Δ f H o of seven alkoxy-NNO-azoxy compounds containing the-N + (O )=NO-characteristic group were determined by combustion in a calorimetric bomb in the atmosphere of oxygen. The contribution of this group to the Δ f H o ...
1.In this paper, the ionic absolute standard heat of formation is gotten.本文将给出水溶液中离子的绝对标准生成焓。 2.Determination of Standard Enthalpies of Formation of the Complexes of 8-Hydroxyquinoline with Transition Metallic M(II);8-羟基喹啉过渡金属配合物的标准生成焓测定 ...
摘要: The standard enthalpies of formation of 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 147±2 K. The following values of Δ...
The standard enthalpies of formation of some lanthanide metal gallides have been measured by high temperature direct synthesis calorimetry at 1373plusmn2 K. The following results (in kJ/mole of atoms) are reported; CeGa 2(-71.1plusmn2.6); PrGa 2(-69.3plusmn2.7); NdGa 2(-72.1plusmn1.8); ...
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....