Chemistry
Chemistry, 11.09.2021 05:00, jasminebailey829

The hall-life for the radioactive decay of Ce-141 is 32.5 days. If a sample has an activity of 3.9 uCi after 195 d have elapsed, what was the initial activity, in microcuries, of the sample?
Express your answer using two significant figures.

answer
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 22:30, king514
Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density
Answers: 2
image
Chemistry, 22.06.2019 01:30, creepycrepes
__can be defined as which velocity changes
Answers: 1
image
Chemistry, 22.06.2019 13:00, katelynn73
Tell me the iupac name of the following compounds:
Answers: 1
image
Chemistry, 23.06.2019 04:10, Domi0129
What does the field of thermodynamics relate to a-changes in nuclear reactions b- changes in energy in systems c changes in molecular structure d changes in atomic properties
Answers: 1
Do you know the correct answer?
The hall-life for the radioactive decay of Ce-141 is 32.5 days. If a sample has an activity of 3.9 u...

Questions in other subjects:

Konu
Mathematics, 04.05.2021 04:00
Konu
Mathematics, 04.05.2021 04:00
Konu
Arts, 04.05.2021 04:00
Konu
Biology, 04.05.2021 04:00