Zn(s) + 2H (aq) Part 1 of 2 Zn Identify the species that is oxidized and the species that is reduced in the reaction. is oxidized and H Part: 1 / 2 1 Part 2 of 2 Zn²+ (aq) + H₂(g) Oxidation half reaction: Write out half reactions to show how many electrons are gained or lost by each species. Reduction half reaction: is reduced. X S

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Q: How many atoms of carbon are present in 1.0 g of Na₂CO3? atoms C

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Q: Determine the oxidation number of the central carbon. Cl H3C-C-NH₂ о +4 -3 +2 0 +1 -2 -4 -1 +3 OH

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Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.