Chemistry, 02.11.2020 20:50, vrw28

The table shows the amount of radioactive element remaining in a sample over a period of time. Radioactive Decay Rate
Amount of Radioactive Sample
(grams) Time
(years)
56.0 0
47.1 400
39.6 800
33.3 1,200
28 1,600

Part 1: What is the half-life of the element? Explain how you determined this.
Part 2: How long would it take 312 g of the sample to decay to 9.75 grams? Show your work or explain your answer.

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 12:00, ctyrector

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3

Answers: 1

continue

Chemistry, 22.06.2019 14:00, ashlynneboogs0056

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

Answers: 3

continue

Chemistry, 22.06.2019 18:00, heggestade

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?

Answers: 3

continue

Chemistry, 23.06.2019 08:00, daliakreynin

Which of the following notations would be the appropriate and final way to display the formula for magnesium chloride a. mgcl2 b. mg+2cl–1 c. mgcl2 d. mgcl

Answers: 2

continue

Do you know the correct answer?

The table shows the amount of radioactive element remaining in a sample over a period of time. Radi...