Wikimedia
Wikipedia: Galvanic Cell
Luigi Galvani discovered the galvanic cell by experimenting with nerves on a frog leg! This on-line encyclopedia discusses how to find the electric potential of a galvanic cell along with an explanation of how unwanted galvanic cells are...
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Chemical Engineers Resource Page: Forms of Corrosion
A Chemical Engineers Resource provides this site devoted to chemical engineers. Very thorough. The page you come to, Forms of Corrosion, is very thorough, and has some really useful pictures. Other parts of the site may be helpful,...