
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:Solve the problem.
9) The charcoal from a tree killed in a volcanic eruption contained 64.7% of the carbon-14 found in living matter. How
old is the tree, to the nearest year? Use 5700 years for the half-life of carbon-14
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- Carbon-14 has a half-life of 5730 yr. A living organism has an activity of 15.2 counts per minute (cpm) per gram of carbon. If a bone is determined to have an activity of 10.5 cpm per gram of carbon, how old is the bone in the unit of years? Please report an integer.arrow_forwardPlease send me the question in 20 minutes it's very urgent plzarrow_forward3.) The half-life of 14C is 5730 years. A sample contains 90.8 % of the 14C that it would contain if it were still part of a living being. What is the age (in years) of this sample?arrow_forward
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