14C dating works because the amount of 14C produced from nitrogen reacting with cosmic radiation and has a steady-state concentration. We know how much 14C should be in a living organism at the time of its death (when it stops incorporating 14C). Given that the half-life for the first order decay of 14C is 5720 years, we carbon date a wooly mammoth. How old is the body if 28.55% of the original 14C content remains when it is tested today? The rate constant is 1.21x 10-4 year1. Select one: a. 27,700 years O b. 1 week from last Wed. O c. 10,359 years O d. 10,899 years

Chemistry & Chemical Reactivity
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Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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Chapter25: Nuclear Chemistry
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14C dating works because the amount of 14C produced from nitrogen reacting with
cosmic radiation and has a steady-state concentration. We know how much 14C
should be in a living organism at the time of its death (when it stops incorporating
14C). Given that the half-life for the first order decay of 14C is 5720 years, we carbon
date a wooly mammoth. How old is the body if 28.55% of the original 14C content
remains when it is tested today? The rate constant is 1.21x 10-4 year1.
Select one:
O a. 27,700 years
O b. 1 week from last Wed.
O c. 10,359 years
O d. 10,899 years
Which equation relates the rate constant to reaction temperature and activation
onorau?
Transcribed Image Text:14C dating works because the amount of 14C produced from nitrogen reacting with cosmic radiation and has a steady-state concentration. We know how much 14C should be in a living organism at the time of its death (when it stops incorporating 14C). Given that the half-life for the first order decay of 14C is 5720 years, we carbon date a wooly mammoth. How old is the body if 28.55% of the original 14C content remains when it is tested today? The rate constant is 1.21x 10-4 year1. Select one: O a. 27,700 years O b. 1 week from last Wed. O c. 10,359 years O d. 10,899 years Which equation relates the rate constant to reaction temperature and activation onorau?
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