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OpenStudy (anonymous):
The half life of Chemical Q is 12 days. If you started your experiment with 42 grams, how much would be left in 73 days?
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OpenStudy (anonymous):
CHeck out the follow 3 equations to help you solve half life problems. http://en.wikipedia.org/wiki/Half-life#Formulas_for_half-life_in_exponential_decay Let me know if you need help making sense of them.
OpenStudy (anonymous):
Hint: Use the first one\[\huge N(t) = N_o({1 \over 2})^{t/t_{1/2}}\]
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