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What is the Voltaic Pile?
4
Voltaic Pile
The First Battery
Research Link:
https://docs.google.com/a/lammersvilleusd.net/document/d/1S780xRKNSzLoJQf7iQqqkPEFIcRnyfiJ-PP_FPXtSe0/edit?usp=sharing
Environmental Impact of Voltaic Pile
Redox Half-Reaction
-
+
2
- Reduction - 2H + 2e --> H
- Oxidation - Zn --> Zn + 2e
-
2+
Voltaic Pile battery has a negative effect on the environment.
The chemicals that compose the batteries cause pollution ,therefore, destroying ecosystems.
What is the Voltaic Pile composed of?
- Copper Disks
- placed on the bottom
- positive end of the pile
- An Electrolyte
- ex. cloth soaked in salt water
- ex. cardboard soaked in brine
- Zinc Disks
- placed at the top
- negative end of the pile
The "voltaic pile" operated by placing an electrolyte between pairs of zinc and copper discs. This ¨pile¨ would reach around 30cm.
An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water.
Sources
http://americanhistory.si.edu/collections/search/object/nmah_703289
http://ethw.org/Voltaic_Pile
https://www.chem.wisc.edu/deptfiles/genchem/netorial/rottosen/tutorial/
modules/electrochemistry/06battery/18_62.htm
http://chemistry.about.com/od/electrochemistry/a/How-To-Define-Anode-And-Cathode.htm