Chemistry

Chemistry, 25.08.2019 20:00, kaitlngley2367

Which radioactive sample would contain the greatest remaining mass of the radioactive isotope after 10 years

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Mathematics, 19.07.2019 22:30, lazok

The amount of a sample remaining after t days is given by the equation mc001-1.jpg, where a is the initial amount of the sample and h is the half-life, in days, of the substance. a scientist has a 10-mg sample of a radioactive isotope. the isotope has a half-life of 8 days. after 16 days, how much of the radioactive isotope remains? 2.0 mg 2.5 mg 5.7 mg 7.1 mg

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Mathematics, 30.08.2019 21:00, AnaiyaKirksey8

The mass, q, of a sample of tritium (a radioactive isotope of hydrogen), decays at a rate of 5.626% per year. given a quantity of 726 grams, determine the graph that best models the decay of this radioactive substance.

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Biology, 01.09.2019 11:30, LoveHalo4758

If the half-life of a radioactive isotope is 5,000 years, how many grams of the radioactive isotope in a specimen will be left after 10,000 years if you start off with 100 grams of the radioactive isotope?

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Mathematics, 28.09.2019 15:30, forschoolok123456789

Asap! billy is monitoring the exponential decay of a radioactive compound. he has a sample of the compound in a test tube in his lab. according to his calculations, the sample is decaying at a rate of 35% per hour. there are at least 72 grams of the sample remaining. once the sample reaches a mass of 15 grams, billy will continually add more of the compound to keep the sample size at a minimum of 15 grams.if r represents the actual amount of the sample remaining, in grams, and t represents the time in hours, then which of the following systems of inequalities can be used to determine the possible mass of the radioactive sample over time?

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