Question
Asked Feb 20, 2019

The rate constant for the reaction

2A → B

is 7.55 × 10−3 s−1 at 110°C. The reaction is first order in A. How long (in seconds) will it take for [A] to decrease from 1.27 M to 0.510 M?

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Expert Answer

Step 1

For a first order reaction, 

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Step 2

Thus, substituing the given values in the above e...

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