Chemistry
Chemistry, 02.12.2021 23:30, brandonholden

The table shows the amount of radioactive element remaining in a sample over a period of time. Radioactive decay
Amount of radioactive sample(grams) Time (hours)
186.0 0
147.0 7
117.0 14
93.0 21
23.3 63

Part 1: What is the half-life of the element? Explained how you determined this.

Part 2: How long would it take 320 g of the sample to decay to 2.5 grams? Show your work or explain your answer.

answer
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 18:10, bri9263
Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.
Answers: 3
image
Chemistry, 22.06.2019 21:00, Janznznz4012
Once similarity and one difference between a mixture of elements and a mixture of compounds
Answers: 3
image
Chemistry, 23.06.2019 00:30, breezy974
When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?
Answers: 3
image
Chemistry, 23.06.2019 04:10, mojio22
An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability
Answers: 3
Do you know the correct answer?
The table shows the amount of radioactive element remaining in a sample over a period of time. Rad...

Questions in other subjects:

Konu
Mathematics, 19.12.2020 01:00
Konu
Mathematics, 19.12.2020 01:00