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April 17, 2014

Homework Help: Chemistry

Posted by Chris on Sunday, January 20, 2013 at 8:54pm.

What would be the concentration of dinitrogen pentoxide after 6.00 X 10(2) seconds and how long would it take for the concentration of N2O2 to decrease to 10.0% of its initial value in the following equation...

N2O5 to NO2 and O2

initial concentration is 1.65 X 10-2mol/L

rate constant is 4.80 X 10-4/s
time is 825s

According to my book, the answer is 1.24 X 10-2 mol/L and t= 4.80 X 10 (3)s

I have no idea how to set this problem up with the 1st order rate law...

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