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the velocity of any object depends upon...
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Chemistry, 23.06.2019 08:50
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 12:10
Which structure is a valid representation of a hydrocarbon molecule?
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Chemistry, 23.06.2019 15:00
Charlene puts together two isosceles triangles so that they share a base, creating a kite. the legs of the triangles are 10 inches and 17 inches, respectively. if the length of the base for both triangles is 16 inches long, what is the length of the kiteβs other diagonal? 6 inches inches inches 21 inchesanswer is d on e2020edit: it's geometry not chemistry, sorry.
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Chemistry, 23.06.2019 22:30
Which statement is true about this reaction? 14n+hβ> 150 it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.
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