Chemistry, 07.10.2019 22:20 coontcakes
Asample of a material has 200 radioactive particles in it today. your grandfather measured 400 radioactive particles in it 90 years ago.
a) 90 years from today, how many radioactive particles will the sample have?
b) 180 years from today, how many radioactive particles will the sample have?
Answers: 3
Chemistry, 22.06.2019 10:10
For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
Chemistry, 22.06.2019 21:00
Write a balanced equation showing the formation of copper (ii) nitrite from its elements
Answers: 1
Chemistry, 23.06.2019 13:30
Where are electrons with the lowest energy found? in the nucleus farthest from the nucleus outside the atom closest to the nucleus
Answers: 1
Asample of a material has 200 radioactive particles in it today. your grandfather measured 400 radio...
Mathematics, 16.03.2020 22:23
Mathematics, 16.03.2020 22:23
Mathematics, 16.03.2020 22:23
Mathematics, 16.03.2020 22:23
English, 16.03.2020 22:23
History, 16.03.2020 22:23
Mathematics, 16.03.2020 22:23
History, 16.03.2020 22:23
Computers and Technology, 16.03.2020 22:23
Mathematics, 16.03.2020 22:23
Mathematics, 16.03.2020 22:23
Chemistry, 16.03.2020 22:23
Chemistry, 16.03.2020 22:23