Chemistry, 16.10.2019 18:20 savthespice
If you started with 880 kilograms of radioactive pennies, how many would be non-radioactive after 20 seconds of decay? show how many half live would pass before all 880 kilograms had decayed? explain & show work.
Answers: 2
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Which metal exist in liquid state and can be cut with knife ?
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Chemistry, 22.06.2019 20:40
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
Answers: 1
If you started with 880 kilograms of radioactive pennies, how many would be non-radioactive after 20...
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