Physics
Physics, 07.04.2021 18:10, ljadalyn

At some time (t = 0) mas of a Radon (Rn) [atomic number 86 and atomic mass number 222] sample is 0.38 µg. Half-life of Radon is 3.8235 days. Avogadro’s number = 6.02 x 1023. (a) Determine the initial number of nuclei in the sample
(b) Determine the initial activity of the sample
(c) Determine the number of nuclei present in the sample after 5.0 h

answer
Answers: 2

Other questions on the subject: Physics

image
Physics, 21.06.2019 17:00, nayo2006
After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction
Answers: 1
image
Physics, 22.06.2019 05:30, justin5647
Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon
Answers: 2
image
Physics, 22.06.2019 11:50, kelseybell2707
An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field
Answers: 3
image
Physics, 22.06.2019 16:00, russboys3
Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.
Answers: 1
Do you know the correct answer?
At some time (t = 0) mas of a Radon (Rn) [atomic number 86 and atomic mass number 222] sample is 0.3...

Questions in other subjects:

Konu
Chemistry, 06.05.2021 05:20
Konu
Mathematics, 06.05.2021 05:20
Konu
Mathematics, 06.05.2021 05:20
Konu
Mathematics, 06.05.2021 05:20