LECTURE PHYSICAL CHEMISTRY 3rd EDITION ROBERT G. MORTIMER

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www.daykemquynhon.ucoz.com Entropy Changes of Chemical Reactions at Various Temperatures Assume that the entropy change at temperature T 1 is known and its value at temperature T 2 is desired. If there are no phase changes between T 2 and T 1 , the result is analogous to Eq. (2.7-19), where ∆C P is defined in Eq. (2.7-20). If ∆C P is temperature-independent, https://plus.google.com/+DạyKèmQuyNhơn Collected by Nguyen Thanh Tu Teacher MailBox : nguyenthanhtuteacher@hotmail.com
Chapter 4. The Thermodynamics of Real Systems www.daykemquynhon.ucoz.com PRINCIPAL FACTS AND IDEAS 1. The second law of thermodynamics provides the general criterion for possible processes: The entropy of the universe cannot decrease. 2. This general criterion can be used to derive criteria for spontaneous processes in a system under various circumstances. 3. The Gibbs and Helmholtz energies provide information about the maximum amount of work that can be done by a system. 4. General equations for the differentials of various thermodynamic functions can be written from the first and second laws. 5. Thermodynamic equations for practical applications can be obtained from these general equations. 6. The methods of calculus can provide useful thermodynamic relations, such as the Maxwell relations. 7. The chemical potential is an important variable in describing multicomponent systems. 8. Euler’s theorem and the Gibbs–Duhem relation are useful in making calculations. https://plus.google.com/+DạyKèmQuyNhơn Collected by Nguyen Thanh Tu Teacher MailBox : nguyenthanhtuteacher@hotmail.com
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Part 1 Thermodynamics and the Macro
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LECTURE PHYSICAL CHEMISTRY 3rd EDITION ROBERT G. MORTIMER

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