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Ch.19 - Electrochemistry
Chapter 19, Problem 5

What is the line notation for the galvanic cell? Diagram of a galvanic cell showing components like Cd, Ni, and a salt bridge.
(a) (b) (c) (d)

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Galvanic Cell

A galvanic cell is an electrochemical cell that converts chemical energy into electrical energy through spontaneous redox reactions. It consists of two half-cells, each containing an electrode and an electrolyte. The flow of electrons from the anode to the cathode generates an electric current, which can be harnessed for work.
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Line Notation

Line notation is a shorthand representation of an electrochemical cell that indicates the components and their arrangement. It typically lists the anode and cathode materials, their respective ion concentrations, and the presence of a salt bridge. The notation helps in understanding the cell's function and the direction of electron flow.
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Salt Bridge

A salt bridge is a crucial component of a galvanic cell that maintains electrical neutrality by allowing the flow of ions between the two half-cells. It typically contains a gel or solution of an inert electrolyte, which prevents the mixing of different solutions while enabling the transfer of ions. This ensures the continuous flow of current and the completion of the circuit.
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