The half-life of a radioactive substance is 15 days. If we started with 20 g, how much of the substance is left after 10 days? 10 g

Q: The half-life of palladium-100 is four days. (So half of any given quantity will disintegrate in…

A: Let the initial mass of palladium-100 is m, it is given that mass will reduced to half in 4 days. so…

Q: A certain radioactive substance has a half-life of 38 hr. Find how long it takes for 80% of the…

A: Given that: Half life, t1/2=38 hr

Q: Element X decays radioactively with a half life of 11 minutes. If there are 300 grams of Element X,…

A: Given information: The half life h =11 min, there are 300g of element X. To find: The time it will…

Q: The half-life of the radioactive element unobtanium-29 is 20 seconds. If 80 grams of unobtanium-29…

A:

Q: The half-life of the radioactive element unobtanium-29 is 10 seconds. If 80 grams of unobtanium-29…

A:

Q: The half-life of radium is 1690 years. If 40 grams are present now, how much will be present in 690…

A: Given: The half-life of radium is 1690 years. if 40grams are present now.

Q: You have 128 grams of a radioactive kind of strontium. If its half-life is 51 days, how much will be…

A: ln e= 1 ln ab=b ln a

Q: The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be…

A:

Q: The half-life of the plutonium isotope is 24,360 years. If 10 g of plutonium is released into the…

A: It is given that the half-life of the plutonium isotope is 24,360 years. Use formula, an exponential…

Q: The half-life of Radium-226 is 1590 years. If a sample contains 500mg, how many mg will remain after…

A:

Q: 800 g of a medication is administered in an IV to a patient 4 times a day. The medication has a half…

A: 800 g of a medication is administered in an IV to a patient 4 times a day.The medication has a half…

Q: Yttirum-90 has a half-life of 64.10 hours. Given an initial mass of 622 grams of the sample, how…

A: Given information Half life t12=64.10 hours And the initial mass m0=622 grams We have to find the…

Q: Yttirum-90 has a half-life of 64.10 hours. Given an initial mass of 659 grams of the sample, how…

A: Half-life is the time required for a quantity to reduce to half of its initial value. The term is…

Q: If 14 g of a radioactive substance are present initially and 3 yr later only 7 g remain, how much of…

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Q: The half-life of carbon-14 is about 5730 years. a. Complete the table, which shows the amount of…

A: .

Q: The half-life of a radioactive substance is 25 years. Suppose we have a 100 mg sample. Find the mass…

A: For a radioactive substance N(t)=N0×e-λt                --> Eq'n(1)…

Q: If a solid is placed in water, the amount undissolved after t seconds is A(t) Aoe-kt. If 30 grams of…

A: Since, we know that the amount of solid undissolved after t seconds is given by:-A(t)=Aoe-ktAlso, we…

Q: The half-life of a radioactive kind of uranium is 2 years. If you start with 5,712 grams of it, how…

A: According to question given that The half life of a radioactive kind of uranium is = 2 years A0=5712…

Q: The half-life of the radioactive element unobtanium-31 is 5 seconds. If 176 grams of unobtanium-31…

A: To explain the given problem

Q: The half-life period of the isotope is 148 hours. The initial mass of an lodine isotope was 17 mg.…

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Q: Yttirum-90 has a half-life of 64.10 hours. Given an initial mass of 551 grams of the sample, how…

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Q: The half-life of a radioactive kind of xenon is 9 hours. If you start with 32 grams of it, how much…

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Q: The half-life of a radioactive kind of americium is 16 hours. If you start with 1,320 grams of it,…

A: Radioactive decay

Q: The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain…

A: We know the half life formula:Nt=N012tt1/2Where Nt=Amount after t years.          N0=Initial Amount.…

Q: A radioactive substance has a half-life of 3000 years. If you start with 100 kg of it, how much will…

A: In 1 half life amount becomes half of its initial value. After n half life it becomes 1/2n of its…

Q: The half-life of radioactive strontium-90 is approximately 31 years. In 1963, radioactive…

A:

Q: The half-life of a substance is 24 hours. About how many hours will it take for 6 grams to decay to…

A: SOLUTION

Q: The​ half-life of the radioactive element unobtainium-47 is 20 seconds. If 80 grams of…

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Q: the amount of a given radioactive substance today is 8 grams. After 10 years, the amount remaining…

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Q: After 15 years, one fourth of the initial mass of radioactive substance has decayed. a) Find the…

A: The given problem is to find the half life and percentage loss in the 90 years for the given radio…

Q: The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be…

A: To calculate the amount of mass of after 6 half-lives if the initial amounts of radioactive isotopes…

Q: The half-life of radioactive strontium-90 is approximately 29 years. In 1965, radioactive…

A:

Q: The isotope cesium-137 has a half-life of 29.75 years. How long will it take a 100 gram sample of…

A: Half life of isotope  cesium-137 = 29.75 years. The decay equation of cesium-137 is given by Let…

Q: The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be…

A: Given initial mass   m=175 gram

Q: The half-life of the radioactive element unobtanium-59 is 20 seconds. If 32 grams of unobtanium-59…

A:

Q: Radioactive radium has a half-life of approximately 1599 years. The initial quantity is 15 grams.…

A: Given that a radio-active radium has a half-life of approximately 1599 years and initial quantity is…

Q: The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain…

A:

Q: A certain substance has a half-life of 20 minutes. A researcher has 20 grams of the substance. They…

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Q: The radioactive isotope of potassium **K which is used in the diagnosis of brain tumors, has a…

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Q: The half-life of radioactive strontium-90 is approximately 27 years. In 1963, radioactive…

A:

Q: The half-life of Cobalt-56 is 77.27 days. If a sample contains 460 mg, how many mg will remain after…

A: Half-lifeA=Ao. 12n whereA- The mass of the substance that remains Ao- Initial massn= ratio between…

Q: The half-life of a radioactive kind of nitrogen is 10 minutes. How much will be left after 40…

A: Radioactive decay occurs as an exponential function. That is given by…

Q: The half-life of plutonium-241 is approximately13 years.a. How much of a sample weighing 4 g will…

A: The half-life of plutonium-241 is 13 years. A(t)=A0e-k tA02=A0e-k×13…

Q: If 16 g of a radioactive substance are present initially and 5 yr later only 8 g​ remain, how much…

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Q: The half-life of a radioactive kind of niobium is 87 hours. How much will be left after 348 hours,…

A:

Q: half-life of Palladium-100 is 4 days

A: We have to find out the initial mass and the mass after 6 weeks.

Q: Element X decays radioactively with a half life of 12 minutes. If there are 690 grams of Element X,…

A:

Q: The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be…

A: initial mass=135 grams half-lives=4

Q: Yttirum-90 has a half-life of 64.10 hours. Given an initial mass of 750 grams of the sample, how…

A: See the detailed solution below.

Q: A certain radioactive substance has a half-life of 38 hour. Find how long (in hours) it takes for…

A:

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.