Question

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Answer 1

Answer:Chemical Kinetics

Step-by-step explanation:

An attachment is given for reference.

Answer 2

Answer:

(a) Initial rate of a first order reaction =kC

=1×10

−2

×1.0=1×10

−2

mol L

−1

s

−1

(b) Concentration after 60 seconds is calculated by applying first order kinetic equation,

k=

60

2.303

log

10

(1−x)

1

or 1×10

−2

=

60

2.303

[−log(1−x)]

or

2.303

60×10

−2

=−log(1−x)=0.2605

log(1−x)=−0.2605=

1

ˉ

.7395

(1−x)= antilog of (

1

ˉ

.7395)=0.5489 mol L

−1

Rate of reaction after 1 minute =k×C

=1×10

−2

×0.5489

=5.489×10

−3

mol L

−1

s

−1

Step-by-step explanation:

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