A chemical reaction of the general type
A $\to$ 2B
is first-order,with a rate constant of 1.52 $\times$ 10^-4 s^-1.
a.Calculate the half-life of A.
b.Assuming the initial concentration of A is 0.067 mol L^-1,calculate the time needed for the concentration to fall to 0.010 mol L^-1.

Question

A chemical reaction of the general type
A

\to

2B
is first-order,with a rate constant of 1.52

\times

10^-4 s^-1.
a.Calculate the half-life of A.
b.Assuming the initial concentration of A is 0.067 mol L^-1,calculate the time needed for the concentration to fall to 0.010 mol L^-1.

Quizplus · Accepted Answer

The Answer of A chemical reaction of the general type A $\to$ 2B is first-order,with a rate constant of 1.52 $\times$ 10^-4 s^-1. a.Calculate the half-life of A. b.Assuming the initial concentration of A is 0.067 mol L^-1,calculate the time needed for the concentration to fall to 0.010 mol L^-1.

A Chemical Reaction of the General Type A →\to→ 2B Is First-Order,with a Rate Constant of 1

A Chemical Reaction of the General Type
A $\to$ 2B
Is First-Order,with a Rate Constant of 1