The formula for the half - life of continuosly decaying substances is N(t) = No*, where No is the initial amount, N(e) is the amount at time t, and h is the half - life of the substance. Now, given that a certain radioactive material of 160 grams has a half – life of 30 days. How much of the material would be left after 120 days? A 5 grams B 10 grams © 2.5 grams 1 gram

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A: GIVEN After 5.5 days, a 100 mg sample of radon-222 decayed to 37 mg. We need to find (a) Find a…

Q: In the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear…

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Q: A sample of a radioactive substance has an initial mass of 795.3 mg. This substance follows a…

A: Given:

Q: The half-life of Radium-226 is 1590 years. What is the annual decay rate? Express the decimal result…

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Q: A new compound called Corpium radioactively decays at the rate of -0.035% every year. If there is…

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Q: carbon-14? The decay​ rate, k, of​ carbon-14 is

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Q: suppose a sample of a certain substance decayed to 77.2% of its original amount after 300 days. (two…

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Q: 2-Suppose that the half-life of a certain radioactive substance is 2 days and there are 50g…

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A: We will find out the required value.

Q: 6. Determine the initial amount of radioactive substance if after 22 years, the remaining…

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Q: 2. Suppose a nuclear accident releases 50 kilograms of the element Cesium 137. If the half life of…

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Q: Radon-222 has a half-life of 4.00 days. Given its mass 5.488 gram at a certain time, what was the…

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Q: Element X decays radioactively with a half life of 8 minutes. If there are 460 grams of Element X,…

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Q: The half-life of sodium-25 is 1.0 minutes.  Starting with 1.0 kg how much will remain after ½ hour.…

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Q: Radium-226, a common isotope of Radium, has half-life of 1,700 years. A certain chemist has a…

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A: It is simple unitary method problem.

Q: 6. Determine the initial amount of radioactive substance if after 22 years, the remaining…

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Q: Element X decays radioactively with a half life of 9 minutes. If there are 760 grams of Element X,…

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Q: Radon-222 has a half-life of 4.00 days. Given its mass 3.168 gram at a certain time, what was the…

A: We will find out the required solution.