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Interpretation : The age of the object is to be calculated.
Concept Introduction : The phrase "radioactive decay" is used to describe the radioactivity occurrence. Radioactive elements are those elements or isotopes that release radiation and undergo radioactivity.
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Answer to Problem 76A
The age of the object is
Explanation of Solution
The carbon-14 content produces 4 counts per minute per gram of carbon.
The carbon-14 content that produces 16 counts per minute per gram of carbon.
The number of carbon-14 decayed is given as
It is
One half-life is
Two half-lives old is given as
So, the age of the object is
Chapter 25 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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