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A short video (8 mins) looking at three Eueopean projects for cutting domestic energy consumption. One involves the use of energy meters attached to individual appliances; the second involves installing...
Explains oxidation numbers within molecules and polyatomic ions using detailed graphics; shows various examples of the rules for assigning oxidation numbers; explains the rules for writing half-reactions...
Animated diagrams show the role of the migration of ions during electrolysis. An experiment then shows that this migration is necessary for a battery to function. The respective roles of diffusion and...
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