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When a scientific theory has been tested and proved by the scientific community, it becomes a law
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Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas.caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible.relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)
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Which compound should undergo substitution of the bromine by phenolate anion? draw the structure of the organic product?
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Do you think there could be any disadvantages to wireless charging? If so, what could they be?...
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