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April 29, 2024, 02:17:06 pm
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Author Topic: Various primary and secondary cells  (Read 1371 times)  Share 

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bilgia

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Various primary and secondary cells
« on: November 06, 2007, 03:20:36 pm »
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are we required to know the exact eqns for the dry cell, button cell, etc..?
so far i only know the diaphragm/membrane, hall-heroult, downs, and a little bit of fuel cells (im not even sure how much we must know for it though)
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cara.mel

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Various primary and secondary cells
« Reply #1 on: November 06, 2007, 04:13:13 pm »
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No. It is expected that you can take the full equation and write half equations and vice versa. And that includes writing half equations in alkaline solutions I think. Fuel cells is the same deal (if they only use hydrogen/oxygen, they're on the electrochemical series anyway)

It is a good idea though to learn the car battery one because that comes up a lot but, even though you don't have to know it.
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principe

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Various primary and secondary cells
« Reply #2 on: November 06, 2007, 07:09:36 pm »
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They might ask you to label the anode and cathode. But it's unlikely. Then again who knows what questions VCAA will include in this year's exam
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