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CH116lecture23P - UMass Boston Chem 116 CHEM 116...

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UMass Boston, Chem 116 © H. Sevian CHEM 116 Electrochemistry at Non-Standard Conditions, and Intro to Thermodynamics Lecture 23 Prof. Sevian Important announcement: If you borrowed a clicker from me this semester, return it to me at the end of next lecture or at the final exam If you do not return it, you will receive an INC for your grade Today’s agenda z Big picture of electrochemistry z Redox reactions and oxidation numbers (last lecture) z Charge flow in electrochemical cells and diagramming a cell z Using the mathematical model to predict current and voltage under standard and non-standard conditions z Important points of thermodynamics for general chemistry z Enthalpy change (+endothermic, –exothermic) z Entropy change (+more disorder, –more order) z Gibbs free energy (+non-spontaneous, –spontaneous) z Connection to equilibrium z Connection to electrochemistry Announcements z Final exam is Tuesday, Dec 16, 3:00-6:00pm in S-1-006
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