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Standard Molar Enthalpy of Formation of RE(C5H8NS2)3(C12H8N2) Shuai Qi1,Xie Gang1,Meng Xiangxin1,CHEN Sanping1,SHI Qizhen1,GAO Shengli1 (1.Shaanxi Key Laboratory of Physico-Inorganic Chemistry...±8.62), (-17762.63±8.25), (-17855.86±8.87) kJ*mol-1 and (-857.04±10.52), (-282.43±9.58), (-130.08±9.13), (-55.75±9.83) kJ*mol-1. Key words:inorganic chemistry; standard molar enthalpy of formation......
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, YI Dan-qing, CHEN Ying, WU Chun-ping (School of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: Based on the Miedema formation enthalpy model... Er reacts with Al and form Al3Er. Key words: Al-Er; Si-Er; Miedema formation enthalpy model; activity ......
, and there is a mixed ionic-covalent bonding between Co and H in CoH5 complexes embedded in the matrix Mg2+ cations. The calculated formation enthalpy of Mg2CoH5 is in good agreement with the experimentally determined value.
Key words: Mg2CoH5; density functional theory; electronic structure; formation enthalpy
of formation of [La2(β-ala)6*(H2O)4](ClO4)6*H2O is obtained to be ΔfHm°{[La2(β-ala)6*(H2O)4](ClO4)6*H2O} = - 7062.911 kJ*mol-1.
Key words:rare earths; β-Alanine; thermochemistry; standard molar enthalpy..., it shows that its form is {[La2(β-ala)6* (H2O)4](ClO4)6*H2O}n, and its purity is 98.86%. The dissolution enthalpy of the reactants and products in 2 mol*L-1 HCl solution (298.15K) was measured by using......Thermochemical Study of Lanthanum Complex Crystal with β-Alanine
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来源： 《JOURNAL OF RARE EARTHS2002年第5期》——陈平初 吴新明 屈松生 詹正坤
Measurements of Enthalpy Change of Reaction of Formation, Molar Heat Capacity and Constant-Volume Combustion Energy of Solid Complex Yb(Et2dtc)3(phen) Hu Qilin1,Gao Shengli2,Xie Gang2,Chen... shows Yb3+ bands with two sulfur atoms in the Na(Et2dtc)3 and two nitrogen atoms in the o-phen.The enthalpy change of liquid-phase reaction of formation of the complex ΔrHθm (l), was determined as being......
lowers the enthalpies. The effect of the formation enthalpy on disproportionnation reaction of the alloys in the process of hydriding at high temperatures is discussed, and it is found...在高温下扩散, 因而减小合金的生成焓ΔH从热力学上对歧化反应产生抑制作用. 据此认为, 可用计算得到的合金生成焓大小作为预测和判断稀土系贮氢合金在高温氢化时能否发生歧化反应的热力学依据. 图4 生成焓与合金LaNi5-xMx发生歧化反应趋势的关系 Fig.4 Relationship between formation enthalpy and tendency......
