The video tutorial explores the workings of batteries through the lens of electrochemistry, focusing on galvanic cells. It explains how chemical energy is converted into electrical energy via redox reactions, detailing the roles of anodes and cathodes. The tutorial guides viewers through constructing a galvanic cell, using zinc and copper electrodes, and connecting them with a salt bridge. It demonstrates how to measure voltage and discusses the theoretical calculations involved. The video also covers the impact of solution concentrations on voltage using the Nernst equation and highlights the broader applications of these principles in everyday batteries.

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