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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
Answers: 3
Chemistry, 22.06.2019 15:20
Select the most likely product for this reaction: koh(aq) + co2(g) โ ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2
Answers: 2
Chemistry, 23.06.2019 00:30
Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element
Answers: 1
All invertebrates are part of the same phylum a) true b) false plzzz...
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