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Galvanic Cells

Posted: Wed Feb 20, 2019 4:56 pm
by Dayna Pham 1I
Hello!
I can't seem to wrap my head around the concept of galvanic cells. In class today, we learned that galvanic cells change chemical energy, but what exactly is a galvanic cell? When "cells" are mentioned, am I suppose to think of biological cells or just pockets of space? I'm having trouble visualizing this.

Re: Galvanic Cells

Posted: Wed Feb 20, 2019 5:02 pm
by MaanasO 1A
Hi Dayna!

So the galvanic cell is that diagram Lavelle drew on the board. It's the basis for a battery. It's neither a biological cell or a pocket of space.

Hope that helps!

Re: Galvanic Cells

Posted: Wed Feb 20, 2019 5:08 pm
by MadelineHlobik
So just to clarify, does a galvanic cell involve the cathode and anode?

Re: Galvanic Cells

Posted: Wed Feb 20, 2019 5:28 pm
by Mindy Kim 4C
Yes, galvanic cells include both the cathode and anode.

Re: Galvanic Cells

Posted: Wed Feb 20, 2019 7:39 pm
by Angela Cong 3C
It's basically just the drawing on the board that Lavelle had where a spontaneous redox reaction (the cathode and the anode) converts chemical energy into electrical energy through the transfers of electrons

Re: Galvanic Cells

Posted: Wed Feb 20, 2019 9:23 pm
by melodyzaki2E
A battery is just a collection of galvanic cells joined in a series and each galvanic cell has an anode and a cathode.

Re: Galvanic Cells

Posted: Wed Feb 20, 2019 9:28 pm
by Christopher Tran 1J
Could someone explain the purpose and importance of having a salt bridge between the galvanic cells?

Re: Galvanic Cells

Posted: Wed Feb 20, 2019 9:37 pm
by juleschang16
The purpose of a salt bridge is not to move electrons from the electrolyte, rather it's to maintain charge balance because the electrons are moving from one-half cell to the other. The electrons flow from the anode to the cathode.