Register
a radioactive element has a half-life of 30 days. calculate the mass of the element that remains after 20 days if 100g of the element decays. Also, calculate the decay constant.
119k views
1 vote
a radioactive element has a half-life of 30 days. calculate the mass of the element that remains after 20 days if 100g of the element decays. Also, calculate the decay constant.

User Qi Fan
by
5.4k points

1 Answer

2 votes

Answer:

A=Ao(1/2)^t/h

A=(100)(1/2)^20/30

A=63g

User DennisVA
by
5.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.8m questions

7.6m answers

Other Questions

What forces can be classified as intramolecular
How many pounds in a 3.00 l bottle of drinking water?
Write the parts of the electromagnetic spectrum in order from lowest frequency to highest frequency
Which processes produce solute ions in a solution? A) Dissociation and Dispersion B) Ionization and Dissociation C) ionization and Dispersion
Explain why we must balance all chemical equations.
Link Copied!