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Lecture7 - Electrochemistry Chemical Change and Electrical...

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1 CHM151 University of Toronto Chapter 21 Electrochemistry: Chemical Change and Electrical Work CHM151 University of Toronto Electrochemistry: Chemical Change and Electrical Work 21.1 Half-Reactions and Electrochemical Cells 21.2 Voltaic Cells: Using Spontaneous Reactions to Generate Electrical Energy 21.3 Cell Potential: Output of a Voltaic Cell 21.4 Free Energy and Electrical Work 21.5 Electrochemical Processes in Batteries 21.6 Corrosion: A Case of Environmental Electrochemistry 21.7 Electrolytic Cells: Using Electrical Energy to Drive a Nonspontaneous Reaction CHM151 University of Toronto Suggested Problems Chapter 21: 1, 3, 10, 12, 14, 16, 21, 22, 26, 29, 36, 37, 40, 42, 44, 48, 53, 55, 58, 60, 62, 64, 70, 74, 76, 78, 80, 81, 83, 86, 87, 101, 103, 105, 111, 116, 118, 119, 122, 125, 127, 129, 134, 138, 146, 148, 153, 156 Do additional problems as needed to reinforce material. Be able to: Balance redox equations, calculate cell potentials and different permutation of using standard reduced cell potentials, calculate equilibrium constants from cell potentials, know connection between free energy and cell potentials, use of Nernst equation for nonstandard conditions and quantify electrochemical reactions re: use of current/moles of reactant/product/mass CHM151 University of Toronto Take Home Lessons Take Home Lessons First Lecture: Basic Overview of Electrochemistry Oxidation and Reduction or Redox chemistry (electron book keeping) History of electrochemistry (and incidentally electricity) redox chemistry on the move Basic elements of an electrochemical cell
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