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Chemistry, 21.06.2019 18:00
Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?
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Asample of aluminum foil contains 8.60 Γ 1023 atoms. what is the mass of the foil?
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What happened to the amount of carbon dioxide in the atmosphere from 2010β2017?
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Abottle contains 3.100 ml of a liquid. the total mass of the bottle and the liquid together is 6.300...
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