Given the half-life of Carbon-14 is 5770 years, how much of a 540 gram sample is left after 10000 years?

Q: Uranium-238, 238U, has a half-life of 4.51 x 109 years. How long will it take for 1.0 g of 238U to…

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Q: If you accidentally spill phosphorus-32 onto your shoe, how long would it take before 99.9% of the…

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Q: The half-life of Phosphorus-32 is 14.3 days. If you start with 100 grams of it, how long will it…

A: Half life of a first order reaction is given by , t1/2=0.693k Write the expression for first order…

Q: Cesium-137 is part of the nuclear waste produced by uranium-235 fission. The half-life of cesium-137…

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Q: Mercury-210 has a half-life of 10 minutes. How many minutes will it take for a sample of mercury-210…

A: The objective of the question is to find out the total time it will take for a sample of Mercury-210…

Q: The half-life of Oxygen-14 is 1.177 minutes.  You originally have 20 grams of it.  After roughly 3.5…

A: Given: Half-life of Oxygen-14 is 1.177 minutes Mass of Oxygen-14 is 20 g

Q: Technicium-104 has a half-life of 18 minutes.If the initial mass is 100.0g,how much remains after 90…

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Q: 210Rn has a half-life of 2.4 hours. You have a sample that contains 24 g of 210Rn. How much 210Rn…

A: The relationship between the half-life, T1/2 and the decay constant is given by  or,  The…

Q: One of the nuclides in spent nuclear fuel is U-235, an alphaemitter with a half-life of 703 million…

A: The disintegration constant λ of a radioactive species is the fraction of the total no. of…

Q: Iodine (131 I)  is used in diagnostic and therapeutic techniques in the treatment of thyroid…

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Q: Radioactive iodine (Iodine-131) has a half-life of 8.04 days. How long will it take for 150g of…

A: Given: The half-life of Iodine-131, t12 = 8.04 days. The initial amount of Iodine-131, (N0) = 150 g.…

Q: Beginning with 100 g of iron-55, calculate how much remains after 7.7 years.  The half-life of…

A: The time taken during a reaction to reduce the concentration of a reactant to half of its initial…

Q: Strontium-90 is one of the products of the fission of uranium-235. This strontium isotope is…

A: Given-> Half life (t1/2) = 28.1 year  Initial amount = 4.00 gm Final amount = 0.100 gm

Q: A certain radioisotope has a half-life of 6.58 days. What percentage of an initial sample of this…

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Q: The half-life of thorium-227 is 18.72 days. How many days are required for three-fourths of a given…

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Q: Cesium-137 is part of the nuclear waste produced by uranium-235 fission. The half-life of…

A: Half-life of Cs-137 and initial mass, from which amount of Cs-137 left after 90.6 years.

Q: The half-life of carbon-14 is 5730 years. What does this statement mean? [A] It means that carbon-14…

A: Given: The half-life t12 of carbon-14 is 5730 years

Q: Iodine-131 has a half-life of 8.0 minutes. How many half lives will pass in 120 minutes?

A: Half life is defined as the time required for a substance to reduce to half of it's initial…

Q: A radioactive sample contains 2.90 gg of an isotope with a half-life of 3.8 days How much of the…

A: Given- Initial mass = 2.90 g Half life = 3.8 days To find- mass of the isotope in grams remaining…

Q: You have a fresh sample of 1000 grams of indium-131 isotope which has a half-life of 8.05 days. How…

A: According to the question, Given initial mass  of indium-131 isotope = 1000 g   The  Half life (t12)…

Q: You start with 600.0 milligrams of radioactive element with a half-life of 85 days. How many days…

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Q: Carbon-14 is used for archaeological carbon dating. Its half-life is 5,730 years. How many grams of…

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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.