The half-life period of the isotope is 148 hours. The initial mass of an lodine isotope was 17 mg. How much will remain after 296 hours is milligrams

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

A: Given,The half-life of Radium-226 is 1590 years. i.e., h=1590A sample contains 200 mg.…

Q: How many seconds will elapse between seeing a lightening and hearing the thunder, if the lightening…

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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: The​ half-life of radium is 1690 years. If 80 grams are present​ now, how much will be present in…

A: We have given the half life of radium is 1690 years.And the present amount of radium is 80 grams…

Q: If there were originally 500 grams of carbon-14 originally, how much carbon-14 would remain after 10…

A: In each half life , amount becomes half of the previous one. It means that, after each half life the…

Q: A certain amount is invested at 9% annual simple interest, and after 11 years, its investment is…

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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: Given that the half-life of radium is 1690 years, how much in milligrams will remain of one gram of…

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Q: An element with mass 730 grams decays by 28.8% per minute. How much of the element is remaining…

A: There is an exponential decay with rate of 28.8%.

Q: A radioactive substance has a half-life of 64 hours. If 200 grams of the substance are initially…

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Q: The half-life of a radloactive Isotope Is the time It takes for a quantity of the isotope to be…

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Q: A small metal bar, whose initial temperature was 20° C, is dropped into a large container of bowling…

A: Let T(t) be the temperature of the bar after t time Given that T(0)=200C T(1)=220 C

Q: The half-life of radioactive cobalt is 5.27 years. If 100 grams of radioactive cobalt is present…

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Q: The half-life of radium is 1690 years. If 30 grams are present now, how much will be present in 140…

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Q: The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 710…

A: Formula for decay A(t)= Aoekt Given Ao=80

Q: The half-life of radium is 1690 years. If 30 grams are present now, how much will be present in 570…

A: We have to finds the remaining amount

Q: The half-life of radium is 1620 years. If a laboratory has 12g of radium, how long will it take…

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Q: Find the half-life (in hours) of a radioactive substance that is reduced by 1515 percent in 6060…

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Q: The half life of a certain isotope is 8.5 hours. If we have a sample of 10 ounces of that isotope,…

A: Consider the following information: Half life periodt12=8.5 hours Decay constantλ=ln2t12=ln28.5…

Q: IF 8G OF RADIOACTIVE SUBSTANCE ARE PRESENT INITIALLY AND 4 YR LATER ONLY 4G REMAIN HOW MUCH OF THE…

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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: In 100 yrs, 132mg of radium decomposes to 96mg. How many mg will be left after 200 yrs?

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Q: The half-life of radioactive potassium is 1.3 billion years. If 10 grams is present now, how much…

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Q: A radioactive isotope, selenium, used in the creation of medical images of the pancreas, has a…

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Q: The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 360…

A: Given query is to find the amount remaining after 360 years.

Q: How many calories per day does a person who weighs 80 kilograms (approximately 176 pounds) need to…

A: Given, A person weighs 80 kilograms. To find how many calories per day a person needs: The function…

Q: if 8 g of a radioactive substance are present initially and 4 yr later only 4 g remain, how much of…

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Q: A nurse gives a patient 800 mg of medicine at 10:00 a.m. If the half life of the medicine is 3…

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Q: If 25% of a radioactive substance disappeared in 10 years, how long did it take for 60% of the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The half-life of lodine-131 is 8 days. How many days will it take for 12 mg of lodine- 131 to be…

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Q: The half-life of silicon-32 is 710 years. If 70 grams is present now, how much will be present in…

A: The equation governing mass at any time t will be: m(t) = m0e-kt where k = 0.693 / t1/2 = 0.693 /…

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 plutonium-239 is 24,360 years. If 10 g of plutonium is released into the atmosphere…

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Q: An

A: Given,element with mass = 510 gramsdecay rate = 26.3% per minuteour aim is to find how much of the…

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

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Q: The half life of a drug in the bloodstream is 14 hrs. What fraction of the original drug dose…

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Q: How many seconds will elapse between seeing a lightening and hearing the thunder, if the lightening…

A:

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

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Q: A certain radio isotope has a half-life of 12 years. Find the mass that remains from a 220mg sample…

A: Half life = 12 yrs 220 mg is the initial mass Therefore decay constant = ln2 / half- life

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 radium is 1690 years. if 50 grams are present now,how much will be present in 520…

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Q: An element with mass 490 grams decays 28.6% per minute. How much of the element is remaining after…

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Q: If 16 g of a radioactive substance are present initially and 9 yr later only 8 g​ remain, how much…

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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 radium is 1690 years. If 50 grams are present now, how much will be present in 580…

A: Since it is given that half-life of radium is 1690 years.Our aim is to calculate that how much…

Q: The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 240…

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Q: The half-life of radioactive radium (226Ra) is 1599 years. What percent of a present amount of…

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

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Q: The half-life of radium is 1690 years. If 90 grams are present now, how much will be present in 370…

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

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