Chemistry, 20.07.2019 05:30 richaeviney
The [h3o+] in a solution is increased to twice the original concentration. which change could occur in the ph? 2.0 to 4.0 1.7 to 1.4 5.0 to 2.5 8.5 to 6.5 6.8 to 9.8
Answers: 2
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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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If a computer chip switches off -on-off in 0.015 us, what is the switching time in nanoseconds?
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Answers: 2
The [h3o+] in a solution is increased to twice the original concentration. which change could occur...
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