Ask a New Question

The half-life of 131I is

Iodine-131 has a half life of 2.2 × 10-2 year. How long will it take to reduce a 130 g sample of 131I to 74 g 131I?
1. 1 answer
2. asked by Kymora
3. 1,697 views
Iodine 131 is a radioactive isotope. After 4.00 days, 70.8% of a sample of 131I remains.What is the half life of 131I?
1. 2 answers
2. asked by Natalie
3. 4,792 views
The half-life of 131I is 8.021 days. What fraction of a sample of 131I remains after 24.063 days?1/2 1/4 1/8 1/16 Please help.
1. 4 answers
2. asked by Kiki
3. 2,381 views
A thyroid cancer patient is given a dosage of 131I(half-life = 8.1 d). What fraction of the dosage of 131I will still be in the
1. 1 answer
2. asked by Truth
3. 81 views
A thyroid cancer patient is given a dosage of ^131I (half-life = 8.1 d). What fraction of the dosage of 131I will still be in
1. 1 answer
2. asked by Truth
3. 62 views
We have not even covered this material.Samples of 131I take 10 hours to prepare to ship. It takes 2 weeks to get to its
1. 1 answer
2. asked by What?
3. 409 views
There are 5g of 131I left after 40.35 days. How many grams were in the original sample if its half-life is 8.07 days?What is the
1. 1 answer
2. asked by malia
3. 2,296 views
What happens to the half-life of Uranium-238 if the number of U particles in the bucket is increased? What does this teach you
1. 1 answer
2. asked by pakyo
3. 61 views
What happens to the half life of carbon-14 if the number of C particles in the bucket is increased? What does this teach you
1. 1 answer
2. asked by pakyo
3. 50 views
What happens to the half-life of Uranium-238 if the number of U particles in the bucket is increased? What does this teach you
1. 1 answer
2. asked by freedom
3. 72 views