Solution Found!
For each of the following, indicate if the number of
Chapter 4, Problem 30QP(choose chapter or problem)
For each of the following, indicate if the number of half-lives elapsed is:
1. one half-life
2. two half-lives
3. three half-lives
a. a sample of Ce-141 with a half-life of 32.5 days after 32.5 days
b. a sample of F-18 with a half-life of 110 min after 330 min
c. a sample of Au-198 with a half-life of 2.7 days after 5.4 days
Questions & Answers
QUESTION:
For each of the following, indicate if the number of half-lives elapsed is:
1. one half-life
2. two half-lives
3. three half-lives
a. a sample of Ce-141 with a half-life of 32.5 days after 32.5 days
b. a sample of F-18 with a half-life of 110 min after 330 min
c. a sample of Au-198 with a half-life of 2.7 days after 5.4 days
ANSWER:Solution 29 QPHere, we have to find the number of half lives in the following.Step 1 of 4Half lives of Radioisotope:It is the time takes for half of the original substance to decay away.a.A sample of Ce-141 with a half-life of 32.5 days after 32.5 days. Therefore, Ce-141 has one half life.____________________________________________________________________