Chemistry, 08.12.2019 19:31, janayflowers042
If u answer i will put u as brainiest answer and give u a uat the earth's surface, warm air expands and rises, leaving behind what is known as an area of cold air is dense and sinks to the surface to create what is known as an area of choices: low pressurehigh if u answer i will put u as brainiest answer and give u a u
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Chemistry, 23.06.2019 00:00, ahmedeldyame
#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond
Answers: 1
Chemistry, 23.06.2019 08:50, leah5981
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)
Answers: 3
If u answer i will put u as brainiest answer and give u a uat the earth's surface, warm air expands...
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