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According to the loco mass the mass of reactants and products
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Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?
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The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird
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How do the elements from a compound differ from the compound itself?...
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