物理化学第三章节solutions1.ppt

第三章 多组分系统的热力学 3.4 化学势及其应用 3.5 相律 3.6 混合气体中组元的化学势 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 化学势及其应用 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. The relationship between the free energy curve for a solution and the chemical potentials of the components. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 有关化学势的几点说明 1. μB是状态函数，强度性质； 2. 化学势与系统中某一组分相对应，绝没有所谓系统的化学势； 3. 注意化学势与偏摩尔量的区别； 4. 纯物质的化学势 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. In 1876 and 1878 he published the two parts of the paper On the Equilibrium of Heterogeneous Substances, which is generally considered his most important contribution to physical sciences. It was translated into German in 1881 by Ostwald and into French in 1889 by Le Chatelier. J.W. Gibbs (1839-1903) Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 多组分均相系统中的基本公式 同理： 也适用于敞开系统 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 多组分多相系统中的基本公式 phase component Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 平衡判据 物质平衡包括：相平衡及化学反应平衡。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 相平衡条件　　　　　 即 ： 假设某两相系统中发生无限小的相变化： 各物质的总量守恒 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 相平衡条件 多相平衡条件：全部组分在全部相中的化学势一一对应相等。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 化学反应平衡条件 假设某已达平衡的封闭系统发生无限小的化学反应： Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profil