Question: The reaction A->P is either a first order or a second order reaction. Experiments show that the half-life is 250 s when the initial concentration

The reaction

A->P

is either a first order or a second order reaction. Experiments show that the half-life is 250 s when the initial concentration of

A=0.05M

, but changes to 500 s when

[A]_(0)=

0.025M

. Calculate the time it takes for

A

changes from

0.13M

0.01M

. Please enter a number without a unit, with one decimal.

The reaction AP is either a first order or a second order reaction. Experiments show that the half-life is 250s when the initial concentration of A=0.05M, but changes to 500s when [A]0= 0.025M. Calculate the time it takes for [A] changes from 0.13M to 0.01M. Please enter a number without a unit, with one decimal

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