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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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smilemin smilemin
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11 years ago
After 55.0 min, 41.0 % of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?

Pls show the steps I appreciate it thank you!
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#1
11 years ago
Beginning amount = 100
Final amount = 59 (<< This means 100 - 41)
Elapsed time = 55 min

The formula is HL = log10(2) * t / log10(beg_amt / fin_amt)
thus
Half-Life = 72.3 min


I suggest you see this online calculator http://matrixlab-examples.com/half-life-calculator.html

.
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