Consider a radioisotope "X" with a half-life of 46.1 years. Determine (to the nearest 0.1 mg) how much of a 1000 mg sample of "X" remains after a period of 322.7 years (show all work).

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A: Given data,Half life=24400yearstime=97600years

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A: There is some mistake in 1st part  If the left amount is 2.0g then half-life is itself 4 years

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Q: Consider a radioisotope "X" with a half-life of 46.1 years. Determine (to the nearest 0.1 mg) how…

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Q: A patient is given 0.055 mg of technetium-99m, a radioactive isotope with a half-life of about 6.0…

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Q: A shell fossil that originally contained 100 mg of carbon-14 non contains 75 mg of the isotope.…

A: Initial amount, [A]0 = 100 mg  Final amount, [A] = 75 mg  Half-life, t1/2 = 5570 years

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A: Given -> Initial weight of sample = 40.0 mg  Final weight of sample = 1.25 mg  Half life = 26.3…

Q: half-life of carbon-14, 14C, is approximately 5,730 years. A bone fragment is estimated to have…

A: The half-life of carbon-14, 14C, is approximately 5,730 years. A bone fragment is estimated to have…

Q: 1.) Carbon-14 has a half-life of 5600 years. If you had a sample of 100% carbon-14, how much would…

A: Given, carbon-14 half life with 100 % carbon-14 sample.we are asked to calculate the amount of…

Q: 1. A sample of radioactive iodine-131 atoms has a half-life of about 8 days. Suppose that 1 000 000…

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Q: If the half life of a radioactive element is 32.8 years, how many years will it take for a sample to…

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Q: After 119 days have elapsed, 1/12 of a radioisotope sample remains undecayed. What is the half-life…

A: Amount of radioisotopes remaining = 112 of the initial amount Number of days taken for the decay =…

Q: 8. Strontium-90 has a half-life of 28.1 years. Starting with 2.08 mg of this isotope, what is the…

A: Radioactive decay follows first order kinetics. Using this we will calculate all parts of questions.

Q: Prove that t½ = t ln (2)/ln(No/Nt) determines the half-life of a 30-g sample of  Pu-239 which is…

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Q: None

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Q: A dinosaur fossil sample has 30% of its original amount of carbon-14 present. Assuming that the…

A: The objective of the question is to calculate the age of the fossil.

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Q: The half life of a radioactive iodine is 8 days. How long will it take for 0.25 g of radioactive…

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Q: A tree sample was uprooted and buried 60,000 years ago during part of the Wisconsin glaciation. The…

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Q: 1.)There are 5.0 g of 121I left after 40.35 days. How many grams were in the original sample if its…

A: Half-life is the time required for an amount to reduce to half its initial value.From the given…

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A: Interpretation -  To determine the the age of the artifact , when a radioactive isotope carbon-14…

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A: we have to calculate the age of the sample of wooden artifact

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Q: 90 The half-life of "Sr is 28 years. How long will it take for a given sample of "Sr to be 83%…

A: 1) half life = 28 years  Decomposed = 83 %  2) half life = 39.4 days

Q: The half-life of the radioisotope 63 Eu 158 is 1.0 hour. How many hours will the decay of 160-g…

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Q: what fraction of a radioisotope has decayed after two half-lives?

A: The time required for a quantity of a radioisotope to decay by half is known as the half-life time.…

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Q: 2) The half-life of Carbon-14 is 5730 years. i) Find the valuer so that A(t) = A0e-rt gives the…

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Q: Suppose the amount of a certain radioactive substance in a sample decays from 3.60 mg to 2.50 mg…

A: Given  Initial amount ( A0 )   = 3.60 mg  Remaining amount ( At ) = 2.50 mg  Time ( t ) = 51.2…

Q: After 19 days have elapsed, 1/21 of a radioisotope sample remains undecayed. What is the half-life…

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Q: 3. What is the half-life of a 100.0 g sample of nitrogen-16 that decays to 12.5 g of nitrogen-16 in…

A: Given: Initial mass of nitrogen-16 (N0) = 100g Final mass of nitrogen-16 (N) = 12.5g Time (t) = 21.6…

Q: What is a radioisotope and explain the term ‘half-life’? Calculate what fraction of a radioisotope…

A: Radioisotope are the radioactive isotope of an Elements  or it can also be defined as the atoms that…

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.