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Chemistry, 22.06.2019 07:30, bbyniah123
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
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Chemistry, 22.06.2019 18:00, jessicannoh5965
The fact that the total amount of energy in a system remains constant is a(n)
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( using PV=nRT) many grams of O2 gas are in a 3700 mL container at a pressure of 775 mmHg at 33oC?...
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