Question

half life of a first order reaction is 10 minutes find the time required to complete 75% of reaction​

Answer 1

Answer:

12th

Chemistry

Chemical Kinetics

Integrated Rate Equations

The half life period of a f...

CHEMISTRY

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Asked on November 22, 2019 by

Kanika Adlakha

The half life period of a first order reaction is 10 minutes. The time required for the concentration of the reactant to change from 0.08 M to 0.02 M is:

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ANSWER

k=0.693/t

1/2

=

10

0.693

=0.0693min

−1

∴ln(

0.02

0.08

)=kt

t=

k

ln(4)

=

0.0693

ln(4)

min

=20min