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If you had a 100 gram sample of plutonium how much would remain in 43 years?
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What fraction of a radium sample will remain after 3240?
The answer depends on 3240 WHAT: seconds, days, years?
How many years after dying does a sample lose one-half of it carbon - 14 atoms?
5730 years (approx).
The half-life of strontium-90 is 28 years. How long will it take a 76 mg sample to decay to a mass of 19 mg?
After 28 years your sample halves, ie becomes 38 mg. In another 28 years it will have halved again to 19 mg, so your answer is 56 yearsIt may not seem important, but you should remember that your sample is not evaporating. The actual 76 mg sample will still have almost all of its mass after 56 years. But by that time only 19 mg of it will be strontium-90. The rest of the sample will still be there, but it will have become Zirconium-90 which is stable.And thank your teacher for giving you an easy number to work with. The actual half-life is closer to 28.8 years.
If current birth and death rates remain constant the world's population will double in how many years?
40 years
If a radioactive material has half a life of 10 years what fraction of the material will remain after 30 years?
There will be 1/8 remaining.
If you had a 100 gram sample of plutonium how much would be left in 43 years?
After 43 years, about half of the plutonium-239 in the sample would decay into uranium-235. This means the 100 gram sample would contain approximately 50 grams of plutonium-239 remaining.
How much cesium would remain from a 10 g sample after 2 years?
5g would remain
What is half life of plutonium?
The half-life of plutonium-239 is about 24,100 years. This means that it takes about 24,100 years for half of a sample of plutonium-239 to decay into a different element.
How much cesium would remain from a 10g sample after 4 years?
I suppose that you think to the radioactive isotope Cs-17; After 4 years remain 9,122 g.
How much of an 800-gram sample of potassium-40 will remain after 3.910000000000 years of radioactive decay?
Approximately 400 grams of the potassium-40 sample will remain after 3.91 years, as potassium-40 has a half-life of around 1.25 billion years. This means that half of the initial sample would have decayed by that time.
What total mass of a 16 gram sample of 60co will remain unchanged after 15.8 years?
After 15.8 years, half of the original sample of 60Co would have decayed. This means that 8 grams of the original 16 gram sample will remain unchanged after that time period.
How much cesium (half-life2 years) would remain from a 10 g sample after 2 years?
2 1/2 g
How much cesium ( half-life2 years) would remain from a 10 g sample after 4 years?
2 1/2 g
How much cesium(half life2 years) would remain from a 10 g sample after 4 years?
2 1/2 g
How much cesium would remain from a 10 g sample after 6 years?
After 6 years, approximately 5 grams of cesium-137 would remain from a 10 g sample due to its half-life of around 30 years. This decay is exponential, with about half of the original sample decaying every 30 years.
What is the half life of plutonium 241?
The half-life of plutonium-241 is about 14 years. This means that it takes approximately 14 years for half of a sample of plutonium-241 to decay into another element.
How much would remain from a 10 g sample after 6 years?
You must know the half life of Caesium to calculate this.
