Galvanic cells convert chemical energy into electrical energy from "summary" of Chemistry by Russell Kuhtz
Galvanic cells are devices that harness the energy produced by chemical reactions and convert it into electrical energy. Within a galvanic cell, there are two half-cells separated by a salt bridge or porous barrier. Each half-cell contains an electrode immersed in a solution that allows for the flow of ions. In one half-cell, oxidation occurs as electrons are released from the electrode. This creates an electric potential difference between the two half-cells. The electrons flow through an external circuit to the other half-cell, where reduction takes place as electrons are gained by the electrode. The salt bridge or porous barrier allows for the flow of ions between the two half-cells, maintaining charge balance and completing the circuit. This flow of ions helps to sustain the chemical reactions happening within the galvanic cell. As the chemical reactions continue, the flow of electrons through the external circuit generates electrical energy that can be harnessed for various applications. This process of converting chemical energy into electrical energy is fundamental to the operation of galvanic cells.- Galvanic cells play a crucial role in the field of electrochemistry by providing a means to harness the energy produced by chemical reactions and convert it into a usable form of electricity. Through the careful design and operation of galvanic cells, we are able to utilize the power of chemical reactions to power a wide range of devices and systems.
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