The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 200 grams of a radioactive isotope, how much will be left after 4 half-lives?   Use the calculator provided and round your answer to the nearest gram.

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Q: By READING the R vs t graph shown below, determine R. & the R(x10¹² decays/s) 12 mean life.

A: Half life is time taken to reduces the number to half.

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A: Given data, A = 1174. A0=?. Half life T12=33 days. Time t = 365 days.

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A: Using half life concept to solve the problem

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A: let initial number of Nucleons= N0 remaining number of Nucleons= N =N08

Q: If the parent isotope starts with 100 grams, but your samples yield only 12.5 grams of the parent…

A: Given Data Initial mass of sample is M= 100 g Final mass is m = 12.5 g

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A: The half-life of the sample = 3 years (a) That means, after every 3year the sample becomes half of…

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A: Option: A

Q: Substance X has a half-life of 10 years, if you start with 1000 grams, how much will be left after…

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Q: 20.0 hours after being ingested 74.5 % of the original radioactive atoms have decayed or been…

A: Given,The amount of particles initially = N0The particles present after 20 hours, Nt = 0.255 ×N0…

Q: If a radioactive isotope has a half-life of 3 minutes, how much of the initial sample will be left…

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Q: Currently a sample has a mixture of three isotopes A, B and C, with a ratio of 65:35:10 (A:B:C).…

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Q: If a sample contains 20g of an isotope that has a half life of 1000 years. How much will be left…

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Q: Show what is meant by the radioactive half-life of a radionuclide, using a suitable sketch graph.…

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Q: Q3(a) The half-life of a particular radioactive isotope is 6.5 h. If there are initially 48x 1019…

A: To Solve this question we will use the FormulaSince we know,

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.