Review Conceptual Example 11 before starting to solve this
Chapter , Problem 49(choose chapter or problem)
Review Conceptual Example 11 before starting to solve this problem. The number of unstable nuclei remaining after a time t 5 5.00 yr is N, and the number present initially is N0. Find the ratio N/N0 for (a) 14 6 C (half-life 5 5730 yr), (b) 15 8 O (half-life 5 122.2 s; use t 5 1.00 h, since otherwise the answer is out of the range of your calculator), and (c) 3 1H (half-life 5 12.33 yr). Verify that your answers are consistent with the reasoning in Conceptual Example 11.
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