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Chemistry, 22.06.2019 07:30
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 07:50
In which situation can a mixture always be called a solution
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Chemistry, 22.06.2019 12:30
Acontrol during an experiment. might change remains constant does not exist does change
Answers: 1
Chemistry, 22.06.2019 18:20
Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements
Answers: 2
When C2H6(g) reacts with O2(g) according to the following reaction, 1.43×103 kJ of energy are evolve...
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