Phosphorus-32 has a half-life of 14.0 days. Starting with 4.00 g of 32P, how many grams will remain after 84.0 days? Express your answer numerically in grams. ► View Available Hint(s)

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter21: Nuclear Chemistry
Section: Chapter Questions
Problem 21.63QE
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Part A
Phosphorus-32 has a half-life of 14.0 days. Starting with 4.00 g of 32P, how many grams will remain after 84.0 days?
Express your answer numerically in grams.
▸ View Available Hint(s)
15. ΑΣΦ
Submit
Part B
2.
—| ΑΣΦ
?
g
?
Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the 14C has decayed to 1/4.00 of the original amount. How long ago was this plant alive?
Express your answer numerically in years.
►View Available Hint(s)
7 of 9
years
Review Constants | Periodic Table
2:29 PM
11/14/2022
Transcribed Image Text:to Part A Phosphorus-32 has a half-life of 14.0 days. Starting with 4.00 g of 32P, how many grams will remain after 84.0 days? Express your answer numerically in grams. ▸ View Available Hint(s) 15. ΑΣΦ Submit Part B 2. —| ΑΣΦ ? g ? Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the 14C has decayed to 1/4.00 of the original amount. How long ago was this plant alive? Express your answer numerically in years. ►View Available Hint(s) 7 of 9 years Review Constants | Periodic Table 2:29 PM 11/14/2022
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