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| 1. |
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[Class Assignment]
Chemical energy sources
Students are introduced to the concept of a Voltaic Cell, including the historical context. The role of metals as a source of chemical energy is established.
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| 2. |
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[Class Assignment]
The structure of a voltaic cell
Need for two different metals is established and the nature of a voltaic cell is illustrated. Students do an exercise to determine viability of a cell based on choice of metals and electrolytes.
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| 3. |
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[Class Assignment]
Reactions that occur at the electrodes
Electrode reactions are introduced leading to ion-electron half-equations, anode, cathode, migration of ions etc.
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| 4. |
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[Class Assignment]
Voltaic Cells and the Reactivity Series
The measuring of electrode voltages is introduced leading to concept of overall voltage related to differences in reactivity.
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| 5. |
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[Class Assignment]
Fuel Cells
Explains electrode reactions & overall reaction. Problems, uses & advantages.
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| 6. |
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[Class Assignment]
Practical applications of voltaic cells
Combining cells to create batteries. Different types of batteries. Advantages & disadvantages.
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