Electrochemistry is the study of the interconversion of electrical and chemical energy. This conversion takes place in an electrochemical cell that may be a voltaic cell or an electrolytic cell. The principal discussed in this chapter have a host practical applications. Whenever we start your car, turn on a flashlight or take a logarithm on a calculator, we are making use of a voltaic cell. Many of our most important elements, including hydrogen and chlorine are made in electrolytic cells.
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