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Of what order is the following process? vs. Time 5 4 3 1 10 20 30 40 Time (s) 1

Of what order is the following process? vs. Time 5 4 3 1 10 20 30 40 Time (s) 1

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter12: Kinetics
Section: Chapter Questions
Problem 46E: Fluorine-18 is a radioactive isotope that decays by positron emission to form oxygen-18 with a...
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8 Of what order is the following process? 向 vs. Time 4 3 1 10 20 30 40 Time (s) 1
Transcribed Image Text:8 Of what order is the following process? 向 vs. Time 4 3 1 10 20 30 40 Time (s) 1
6 How long will it take for 25% of the C-14 atoms in a sample of C-14 to decay? Give the answer in an integer number of years. 7 Using dendrochronology (using tree rings to determine age), tree materials dating back 10,000 years have been identified. Assuming you had a sample of such a tree in which the number of C-14 decay events was 15.3 decays per minute before decomposition, what would the decays per minute be in the present day? Give the answer in 3 sig figs. 4.95
Transcribed Image Text:6 How long will it take for 25% of the C-14 atoms in a sample of C-14 to decay? Give the answer in an integer number of years. 7 Using dendrochronology (using tree rings to determine age), tree materials dating back 10,000 years have been identified. Assuming you had a sample of such a tree in which the number of C-14 decay events was 15.3 decays per minute before decomposition, what would the decays per minute be in the present day? Give the answer in 3 sig figs. 4.95
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