Gibbs Energy

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  • ギブズエネルギー

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Description

Gibbs energy is the most important thermodynamic quantity for the discussion of equilibria in chemistry. This paper is for persons who have not opened textbooks of thermodynamics after leaving the school. We shall see that the direction of spontaneous change is firstly obtained in terms of the Gibbs energy of substances, and secondly the maximum non-expansion work obtained from a process at constant temperature and pressure is given by the Gibbs energy change of the process. We shall make another description such as, the properties of Gibbs energy, phase diagram of a substance, colligative properties of solutions, and reaction Gibbs energy in chemical reaction. Finally, we shall deal with the determination procedure of Gibbs energy and discussions of the obtained results in binary solutions as an application to the real system.

Journal

  • Netsu Sokutei

    Netsu Sokutei 32 (3), 118-125, 2005

    The Japan Society of Calorimetry and Thermal Analysis

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