The reactions of oxygen are called oxydations.
4K + O2 = 2K2O so the "coefficient" is 1
decomposition of H2O2
metal oxide you thicko
When lithium reacts with oxygen, the mass of the lithium is unchanged. However, the mass of lithium oxide (Li2O) created is about 2.1 times as great as the starting mass of lithium metal (110%...
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