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Electrolysis of several aqueous solutions is carried out using a 9-V battery and pencil leads as electrodes. Because only the electrodes are shown in the videos, it is important to show these still images
or describe how the reactions were performed if students are to make sense of the videos. In each case the anode is on the left and a 9-V battery has been connected to the lead of each of the pencils near the eraser end with an alligator clip.
Aluminum—Air BatteryModesto Tamez and Julie H. Yu Students construct a homemade aluminum-air battery out of aluminum foil, activated charcoal, and saltwater that generates enough power to operate a simple electrical device. Tamez, Modesto; Yu, Julie H. J. Chem. Educ.2007, 84, 1936A.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials |
Green Chemistry |
Oxidation / Reduction
A Lemon Cell Battery for High-Power ApplicationsKenneth R. Muske, Christopher W. Nigh, and Randy D. Weinstein This article discusses the development of a lemon cell battery for high-power applications such as radios, portable cassette or CD players, and battery-powered toys. Muske, Kenneth R.; Nigh, Christopher W.; Weinstein, Randy D. J. Chem. Educ.2007, 84, 635.
Applications of Chemistry |
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials
Small-Scale and Low-Cost Galvanic CellsPer-Odd Eggen, Truls Grønneberg, and Lise Kvittingen Describes how to construct two small, qualitative galvanic cells from metal wires, nails, pencil lead, floral foam, culture plates, light diodes, and some simple solutions. Eggen, Per-Odd; Grønneberg, Truls; Kvittingen, Lise. J. Chem. Educ.2006, 83, 1201.
Electricity A collection of activities that explore basic concepts dealing with electricity. They are written for the 4-6th grade level.
Electrochemistry
Electricity and Magnetism ? A Dynamic Duo When using a compass to see which way is north, south, east, and west, we are really using a magnet. The little moving pointer in a compass is actually a small magnet! Electricity in a wire can also be used to make a magnet. Students investigate this relationship by setting up a wire and making the magnetism from the electricity in the wire move the magnet in the compass.
Electrochemistry |
Magnetic Properties
Batteries ? Energy to Go Students create a simple circuit by connecting a bulb to a battery. Connecting the bulb and wires to the ends of the battery gives the electrons a path to travel from one metal to the other. The battery produces electricity used to light the bulb. ,
Coulomb's LawEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Electrochemistry
Potential EnergyEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Electrochemistry
Electron Density and Potential EnergyEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Go for the oxidation of 2 mole of silver in the following balanced reaction. 
Ca(s) + 2AgI(s) 
