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Dianna Grigorian 1C
Posts: 72
Joined: Wed Sep 21, 2016 2:55 pm


Postby Dianna Grigorian 1C » Fri Feb 03, 2017 4:30 pm

During the lecture, Professor Lavelle used an example to explain the the cathode needed an electrode, so we used an inert conductor to transfer electrons. How do we know if we should include an electrode in our reaction, and why is it needed?

Ara Yazaryan 1E
Posts: 44
Joined: Wed Sep 21, 2016 2:59 pm

Re: Electrodes

Postby Ara Yazaryan 1E » Fri Feb 03, 2017 4:47 pm

An electrode is always needed in an electro-chemical reaction. That is how electrons are transferred in the first place, a key component of any cell system.

Alex Yee - 4I
Posts: 15
Joined: Wed Sep 21, 2016 2:57 pm

Re: Electrodes

Postby Alex Yee - 4I » Sat Feb 04, 2017 9:54 am

The electrons flow from the anode to the cathode, flowing through the electrodes. In the case of the silver nitrate battery, the (Ag -> Ag+) anode dissolves into a liquid solution of NO3-, forming the liquid compound AgNO3, while the electrons are sent through the anode to the cathode, and the Ag+ in solution turns to Ag and builds up as a solid on the cathode.

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