Correct Expressions of Enthalpy of Mixing and Excess Entropy from MIVM and Their Simplified Forms
作者： Dong-Ping Tao
DOI: 10.1007/S11663-015-0460-5
关键词: Entropy (energy dispersal) 、 Chemical substance 、 Gibbs free energy 、 Ternary operation 、 Coordination number 、 Imagination 、 Materials science 、 Thermodynamics 、 Enthalpy of mixing 、 Binary number
摘要: In this work, the author pointed out that empirically to compare molecular interaction volume model (MIVM) with thermodynamic definition of excess Gibbs energy would result in incorrect expressions enthalpy mixing and entropy. The correct molar partial enthalpies entropies from MIVM are consistent thermodynamically suggested for replacing their past ones. simplification Zi = Z 10 is verified be feasible by average errors fitting binary liquid alloys M-P (M Cr, Fe, Mn) predicting ternary Fe-Cr-P Fe-Mn-P using two coordination numbers phosphorus ZP 3.04 8.96. Further, simplified forms proposed easily properties a multicomponent system preliminarily tested coordinated mutually Au-Cu, Cd-Zn, Ca-Zn, Ni-Pb.
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