Chemistry, 10.11.2020 02:00 Anonymouslizard
The half- life of 1-137 is 8.07 days. if 100 grams are left after 40.35 days, how much grams were in the original sample?
Answers: 2
Chemistry, 22.06.2019 04:00
Asample of aluminum foil contains 8.60 Ć 1023 atoms. what is the mass of the foil?
Answers: 1
Chemistry, 22.06.2019 19:00
Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
Answers: 1
The half- life of 1-137 is 8.07 days. if 100 grams are left after 40.35 days, how much grams were in...
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