subject
Chemistry, 21.09.2019 12:00 mianelson367

The half-life of radioactive element krypton-91 is 10 seconds. if 16 grams of krypton-91 are initially present, how many grams are present after 10 seconds? after 50 seconds?

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 22:00
Bose-einstein condensation occurs at what temperature?
Answers: 2
question
Chemistry, 22.06.2019 23:00
What does a numerical subscript following an element in a chemical formula mean?
Answers: 1
question
Chemistry, 23.06.2019 03:30
If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?
Answers: 1
question
Chemistry, 23.06.2019 04:00
How much energy is required to vaporize 2 kg of copper? a 4730 kj b 207kj c 9460 kj d 414kj
Answers: 1
You know the right answer?
The half-life of radioactive element krypton-91 is 10 seconds. if 16 grams of krypton-91 are initial...
Questions
question
Social Studies, 25.07.2019 17:30