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OpenStudy (anonymous):
Calculate half life of a reaction
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OpenStudy (anonymous):
The formula for r half life as I learned it is Y=a(1-0.5)^x/d Where a is the initial amount, o. 5 is used because it's half life, and don't is the time of the half life ( say half life of carbon was 2689 years, that would be your d) Y is the amount remaining and X is the time, say you wanted to know how much was left after 100 years you plug in 100 !for X. Don't know if this helps but I hope it does!
OpenStudy (anonymous):
* d not don't
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