Kagutsuchi
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Electrolytic reactions
Today I managed to get my old (Soviet) car battery charger to work. I am happy about it but a few questions come up:
What reactions should I use it for?
I had some ideas:
-Use a Pb electrode to make PbO for further processing
-Make some (a little amount of) chlorates.
-Make copper-compounds the easy way (make CuCl2 and process it for other compounds)
What should I look out for if I perform these?
Also, I look forward to suggestions 
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deltaH
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What does your old charger put out in regards to voltage and current?
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Kagutsuchi
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It can put out 6 or 12 volts, 6.3 amperes.
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Sulaiman
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I would be tempted to make a HHO (oxy-hydrogen) flame torch
e.g. http://www.instructables.com/id/DIY-HHO-Torch-Water-Torch-fo...
e.g. https://www.youtube.com/results?search_query=hho+torch
for high temperature melting of stuff, and fun.
Maybe sodium metal by electrolysis of molten sodium hydroxide ?
or production of sodium hydroxide solution from sodium chloride ?
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deltaH
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Too little current for a oxy-hydrogen torch and you don't want to store that gas mix eeek 
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Kagutsuchi
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What if I stored them separately and let them meet only at the output of the torch? For example at night I could store the gases and use them up next
day.
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deltaH
Dangerous source of unreferenced speculation
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You have to be very sure that over long periods of time something can't go wrong that would produce a mixed gas. It can be done in principle, but it
would be extremely dangerous if not done properly. You're much better off with a generator than can produce the gases live on demand at the required
rate.
I found this one particularly excellent and low cost:
https://www.youtube.com/watch?v=cqjn3mup1So
But you're going to need a transformer upgrade for that.
[Edited on 11-10-2015 by deltaH]
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