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When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)
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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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Chemistry, 23.06.2019 14:10
What is true according to the second law of thermodynamics
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Sodium metal and water react to form hydrogen and sodium hydroxide. if 5.98 g of sodium react with w...
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