Electrochemistry

Principles of electricity and chemistry overlap in electrochemistry, the study of the interconversion of chemical and electrical energy in chemical reactions.


Voltaic Cells

In a voltaic or galvanic cell, the flow of electrons accompanying a spontaneous oxidation–reduction reaction occurs via an external pathway. That’s electricity!

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Electrolysis of Water

In electrolysis, electricity from an external source is used to “force” a non-spontaneous chemical reaction to occur. What reaction takes place when an electric current flows through water?

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Electrolysis Reactions

Electrolysis of water normally produces hydrogen and oxygen. What happens if the electrolyte contains ions that are more easily oxidized or more easily reduced than water molecules?

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