#26 - Chapter 18: Entropy, Free Energy, and Equilibrium The...

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Chapter 18: Entropy, Free Energy, and Equilibrium The First and Second Law of Thermodynamics (Review), The Third Law of Thermodynamics, Gibbs Free Energy and Chemical Equilibrium (Sec. 18.4 – 18.6)
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4 th exam: 6:30-7:30 pm on April 22 (Wednesday) Review sessions: Announcements: 1002 Gilman Hall, 6 pm on April 19 (Sunday) 1002 Gilman Hall, 6 pm on April 20 (Monday)
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A. Energy, First Law of Thermodynamics and Enthalpy (Review of Sec. 6.3 and 6.4) D E universe = E system + E surroundings = 0 or E system = - E surroundings First law of thermodynamics : The energy can be converted from one form to another, but cannot be created or destroyed. D E = q + w D E is the change in internal energy of a system q is the heat exchange between the system and the surroundings w is the work done on (or by) the system w = - P V when a gas expands against a constant external pressure Another form of the First law of thermodynamics for E system :
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D. Entropy and the Second Law of Thermodynamics (Sec. 18.4)
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#26 - Chapter 18: Entropy, Free Energy, and Equilibrium The...

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