Chemistry, 25.07.2019 21:00 fendyli2353
Po−218 is an alpha emitter with a half-life of 3.0 minutes. if a sample contains 59 mg of po−218, how many alpha emissions would occur in 9.0 minutes?
Answers: 1
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 17:00
Complete each row of the table below by filling in the missing prefix or missing exponent.
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Chemistry, 22.06.2019 21:20
40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume
Answers: 3
Po−218 is an alpha emitter with a half-life of 3.0 minutes. if a sample contains 59 mg of po−218, ho...
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