Question

The first-order reaction X -> Y has a rate constant of 0.00020 s-1. The starting concentration of X is 3.700 M. After 35.0 seconds have elapsed, what is the concentration (in M) of X?

Name: the first order reaction x y has a rate constant of 000020 s 1 the starting concentration of x is 3700 m after 350 seconds have elapsed what is the concentration in m of x 90533
Uploaded: 2023-08-06T20:51:33-08:00
Duration: 1 min 6 s
Channel: Chareen Guzman
Description: the first order reaction x y has a rate constant of 000020 s 1 the starting concentration of x is 3700 m after 350 seconds have elapsed what is the concentration in m of x 90533

          The first-order reaction X -> Y has a rate constant of 0.00020 s-1.  The starting concentration of X is 3.700 M.  After 35.0 seconds have elapsed, what is the concentration (in M) of X?

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Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

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Solved by Expert Chareen Guzman

08/06/2023

Step 1

0 seconds for a first-order reaction, we can use the first-order rate equation: \[ [X] = [X_0] e^{-kt} \] where: - \([X]\) is the concentration of X at time \(t\), - \([X_0]\) is the initial concentration of X, - \(k\) is the rate constant, - \(t\) is the time Show more…

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The first-order reaction X -> Y has a rate constant of 0.00020 s-1. The starting concentration of X is 3.700 M. After 35.0 seconds have elapsed, what is the concentration (in M) of X?