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The decomposition of nitrogen dioxide occurs according to the equation below: NO2 (g)------>NO( g)+1/2 O2 (g)...

The decomposition of nitrogen dioxide occurs according to the equation below: NO2 (g)------>NO( g)+1/2 O2 (g) The reaction is second order with respect to NO2. The specific rate constant for this reaction is 3.04M-1min-1. How long does it take for the concentration of NO2 to decrease from 2.00M to 1.25M?

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Answer #1

1/1.25 M - 1/ 2M =3.04M-1. min-1*t

0.8 M-1-0.5 M-1=3.04M-1. min-1*t

t=0.3 M-1/3.04 M-1*min-1

t= 0.09868 min

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