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How much cesium would remain from a 10 g sample after 2 years?
5g would remain
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 many years have past if only 12.5 of carbon 14 remain in an ancient sample?
This time is 17 190 years.
How much cesium(half life2 years) would remain from a 10 g sample after 4 years?
2 1/2 g
how much cesium (half-life = 2 years) would remain from a 10 g sample after 2 years?
2 1/2 g
Can a species remain unchanged for hundreds of thousands of years according to evolution?
In theory, they can remain unchanged for their entire existence. However, in practise, nature isn't so nice and evolution happens eventually.
How much cesium would remain from a 10 g sample after 2 years?
5g would remain
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 fraction of a radium sample will remain after 3240?
The answer depends on 3240 WHAT: seconds, days, years?
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 many years have past if only 12.5 of carbon 14 remain in an ancient sample?
This time is 17 190 years.
How many total years may a president remain in office?
The president can remain in office for 2 four year terms . A total of eight years maximum
What is the total number of years that must pass before only 25.00 grams of an original 100.0 gram sample of c-14 remains unchanged?
25/100 = 1/4 of the original sample. The "half-life" must pass twice, yielding (1/2) x (1/2) = 1/4 of the original sample. The half-life of Carbon-14 is listed as ( 5,730 ± 40 ) years. Twice that is ( 11,460 ± 80 ) years
How long does it take for a baseball bat to decompose?
In warm wet conditions leather will decompose in several years. In dry conditions leather will remain unchanged for hundreds of years.
A Radio Decay Isotopes Has A Half Life Of 100 Years . A Sample Of 40 Grams Of The Isotopes Will Have A Mass Of Grams In 200 Years?
10 grams... If the half-life is 100 years, that means after 100 years, half the original mass remains. After another 100 years, the mass is halved again. 40/2=20... 20/2=10.
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.
If you had a 100 gram sample of plutonium how much would remain in 43 years?
Plutonium-239 has a half-life of about 24,100 years, meaning it takes that long for half of a sample to decay. In 43 years, which is much shorter than the half-life, only a tiny fraction of the plutonium would decay. Therefore, after 43 years, approximately 99.83 grams of the original 100-gram sample would remain.
