Question

The half-life of a substance in first-order reaction is 15 minutes. Calculate the rate constant.

Answer 1

Answer:

7.6 × 10^-4 sec^-1

Explanation:

t1/2 = 0.693/k

k= 0.693/15×60

k=7.6 ×10^-4

if asked in minute inverse then

0.693/15

=4.6×10^-2 min^-1