galvanic cells (1 Viewer)

chip

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i dont totally understand the concept of galvanic cells how they work and why their useful and also practical applications?

My teacher sucks and doesnt explain anything right........
 

kini mini

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Hi Chip

A good textbook will give you a decent explanation of galvanic cells with a long list of applications etc. What aspects of them are you confused about?

I'll just give you a brief summary, see if I can steal a pic from somewhere as it's hard to understand without one...

CSU has a decent summary here

"A galvanic cell is a device constructed so that a reductant and oxidant are physically separated, but connected by an external circuit made of a conductor (to carry electrons) and a salt bridge (to carry charged ions in solution). A galvanic cell is thus composed of two half-cells, a reductant half-cell and an oxidant half-cell. This arrangement ensures that electrons cannot go directly from the reductant to the oxidant, but they will move through the external circuit. "



See the page for the rest.
 

chip

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hey thanx a bunch kini mini

i was confused about the salt bridge concept but i checked out the CSU site and it makes heaps better sense

thanx:D
 

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