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July 23, 2014

Homework Help: College Chemistry

Posted by cara on Sunday, February 6, 2011 at 6:11pm.

The following data are obtained for the decomposition of N2O5 at a certain temperature:

2N2O5(g)↔4NO2(g) + O2(g)


Time(s) 0 200 400 600 800
N2O5 (atm) 2.10 1.85 1.63 1.43 1.26

Find the rate constant kobs for this first-order decomposition reaction in sec-1

So far I have two equations that I think are needed: ln([At]/[Ao])=-kt and PV=nRT but how to proceed?

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