1. An organic compound decomposes at a rate proportional to the amount present. If the half of the original amount disappears after 1000 years, what is the percentage lost in 100 years? Оа. 4.30% O b. 4.50% Oc. 5.35% o d. 6.70%

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Q: A certain radioactive substance decomposes at a rate proportional to the amount present. Suppose…

A: I have appended the formula used in the solution part.

Q: A sample of tritium-3 decayed to 94.5% of its originalamount after a year.(a) What is the half-life…

A: A sample of tritium-3 decayed to 94.5% of its original amount after a year. We have to find (a) What…

Q: A certain radioactive material is known to decay at a rate proportional to the amount present.…

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Q: 1. Radium decomposes at a rate proportional to the amount present. In 100 yrs, 100 mg of radium…

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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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Q: Radium decomposes at a rate proportional to the amount present. If 200 mg. of radium id reduced to…

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Q: 1. The half-life of Plutonium-239 is 24,100 years.  10 grams of Plutonium-239 were released in a…

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Q: A certain radioactive material is known to decay at a rate proportional to the amount present. If…

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Q: 1. A certain radioactive material is known to decay at a rate proportional to the amount present.…

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Q: Radium decomposes at a rate proportional to the amount present. If half of the original amount…

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Q: 2. A radioactive material loses 25% of its mass in 10 minutes. What is its half-life?

A: Let No be the initial mass, N be remainingmass.  Then  N= No - 25100 No = No - No4=34NoHence    t…

Q: 1. The radioactive isotope hydrogen-3 has a half-life of 12.3 years. a. If a sample of 80 mg of…

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

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