Chemistry, 25.01.2021 20:20 gabbypittman20
A sample of sodium-24 with an activity of 14 mCi is used to study the rate of blood flow in the circulatory system. If sodium-24 has a half-life of 15 h what is the activity after each of the following intervals?
a. one half-life
b. 30h
c. three half-lives
d. 2.5 days
Answers: 3
Chemistry, 22.06.2019 09:10, chloeholt123
How have the greenhouse gasses increased from the year 2000 to 2018
Answers: 2
Chemistry, 22.06.2019 22:00, luciaaviles3
Pls ill give u brainliest which of the following is true about science? 1. political conditions are unable to influence it. 2. economic concerns may prevent it from solving problems.
Answers: 2
A sample of sodium-24 with an activity of 14 mCi is used to study the rate of blood flow in the circ...