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多重反应平衡体系产物的选择性探析
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作者 邱长恩 《中学化学教学参考》 2024年第16期38-44,共7页
基于《中国高考评价体系》和《普通高中化学课程标准(2017年版2020年修订)》,对多重反应平衡体系的类型和建立以及产物选择性的意义进行了阐述,并对产物的选择性与转化率、产率之间的关系进行了审慎推导.重点从热力学和动力学的角度,结... 基于《中国高考评价体系》和《普通高中化学课程标准(2017年版2020年修订)》,对多重反应平衡体系的类型和建立以及产物选择性的意义进行了阐述,并对产物的选择性与转化率、产率之间的关系进行了审慎推导.重点从热力学和动力学的角度,结合历年各地高考试题,对产物选择性的调控进行了深入探析,总结出对多重反应平衡体系产物的选择性进行调控的一般思路和具体途径. 展开更多
关键词 核心素养 多重反应平衡 产物的选择性 思路和途径
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Elemental Composition Method in Thermodynamics of Mul- tireaction Systems (I) Molar Number, Thermodynamic Properties and Partial Properties Relations 被引量:1
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作者 林金清 李浩然 韩世钧 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2001年第1期100-104,共5页
When species in the solution undergo multiple chemical reactions, the solution may be treated as a solution of all species actually present or as a hypothetical solution composed of elemental species. Based on the fu... When species in the solution undergo multiple chemical reactions, the solution may be treated as a solution of all species actually present or as a hypothetical solution composed of elemental species. Based on the fundamental thermodynamic principle, the relationships of mole numbers, molar fractions, thermodynamic properties, partial molar properties, potential and fugacity between the hypothetical solution of elemental species and the equilibrated solution of actual species were derived. The hypothetical elemental solution provides a way of reducing the dimensionality of problem, simplifying the analysis and visualizing the phase behavior. 展开更多
关键词 elemental composition dimension reduction multireaction phase equilibrium THERMODYNAMICS
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