Asked by Paige
The half life for a first order reaction is know to be 4.5 h. How long will it take for 85% to be decomposed, in h?
Answers
Answered by
DrBob222
k = 0.693/t<sub>1/2</sub> and substitute into the equation below.
ln(No/N) = kt
No I would use 100
N then will be 85
k from above.
Solve for t in hours.
ln(No/N) = kt
No I would use 100
N then will be 85
k from above.
Solve for t in hours.
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