《结构化学基础》课程PPT教学课件:第三章 双原子分子的结构和性质
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《结构化学基础》课程PPT教学课件:第二章 原子的结构和性质
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《结构化学基础》课程PPT教学课件:第一章 量子力学基础知识
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Idea Develops the concept of chemical potential and shows how it can be used to account for the equilibrium composition of chemical reaction Equilibrium co
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简单混合物 Simple mixtures偏摩尔体积 Partial molar VolumeⅤ≠V1+Ⅴ2Partial molar volume of substance a in a mixture is the change involume per mole of a added to the large volume of the mixture
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相律 Phase Rules Phase diagrams are extremely useful for systems with multiple components, and serve to describe physical and chemical equilibria over range of different compositions, as well as points where substances are mutually miscible, or even when a system has to be brought to a specific set of conditions for equilbrium to exist(e.g., pressure
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Measurement of Work to determine the \direction\ of a process: \direction\--spontaneous--irreversible --non-spontaneous-- reversible --equilibrium
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热力学定律— Helmholtz and Gibbs energies Consider a system in thermal equilibrium with surroundings, at temp. T For change in the system with transfer of heat, the Clausius inequality is
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1 理想气体状态方程 perfect gas equation pV= constant×nT=nRT
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热力学第一定律 热化学(ThermoChemistry) 1.吸热反应&放热反应 2.标准态:指定温度(通常是298.15K),一个标准大气压 标准焓变ΔH°:变化前后物质都处于标准态. 3.热化学方程式:注明状态 标准摩尔焓变△Hm;标准反应焓变ΔrH°
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