Chemistry, 19.08.2021 22:10 loverohio001
The radioactive isotope 241 AM with a half life of 432 years, isthe active element in many smoke detectors. Suppose such a detectorwill no longer function if the activity of the AM it contains dropsbelow (1/500) of its initial activity.
Required:
How long will this smokedetector work?
Answers: 1
Chemistry, 22.06.2019 00:10
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Chemistry, 22.06.2019 04:40
*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system
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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
The radioactive isotope 241 AM with a half life of 432 years, isthe active element in many smoke det...
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English, 21.04.2021 20:10