Monday
December 22, 2014

Homework Help: Chemistry

Posted by Sam on Friday, December 2, 2011 at 4:36pm.

A decomposition reaction has a rate constant of 0.0019 yr -1.
(
a) What is the half-life of the reaction?
______ yr

(b) How long does it take for [reactant] to reach 12.5% of its original value?
______ yr

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