Chemistry, 31.10.2020 06:00, VICTURN3666
A187 g sample of radioactive isotope is tested after 144 mins and only 0.73046875 g remains. What is the half-life of the sample (in mins)?
Answers: 3
Chemistry, 22.06.2019 18:00, Jazmineboo7709
Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?
Answers: 2
A187 g sample of radioactive isotope is tested after 144 mins and only 0.73046875 g remains. What is...
Biology, 21.03.2020 10:27