Electrochemistry and Galvanic Cells – AP Chem Unit 9, Topic 8a

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In this video, Mr. Krug gives students an introduction to electrochemistry and galvanic cells, sometimes called voltaic cells. He shows how redox reactions can be harnessed to provide an electric current through a wire. In this video, he shows the anatomy of a galvanic cell, including how to determine the anode and cathode of the cell, along with the flow of electrons, as well as the direction that individual ions will flow from the salt bridge. AP Chemistry Topic 9.8.

00:00 Introduction
00:28 Review of Redox Reactions
04:22 Galvanic Cells
06:41 Voltage of a Galvanic Cell
07:36 Anode and Cathode
11:02 Salt Bridge
13:16 Summary