Homework Help: chemistry

Posted by Anonymous on Tuesday, February 14, 2012 at 3:13pm.

After 56.0 min, 25.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?

chemistry - DrBob222, Tuesday, February 14, 2012 at 3:45pm
ln(No/N) = kt
Substitute No = 100
N = 75
t = 56
solve for k. The substitute k into
k = 0.693/t_l1/2
Solve for t_1/2

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