13
Calculate the half-life of a first order reaction from their rate constants given
below:
(i) 200 s–1
(ii) 2 min–1
(iii) 4 years–1
3 14
The half-life for radioactive decay of 14C is 5730 years An archaeological
artifact containing wood had only 80% of the 14C found in a living tree Estimate
the age of the sample