A breeder reactor converts relatively stable uranium 238 into the isotope plu- tonium 239. After 15 years it is determined that 0.043% of the initial amount Ao of plutonium has disintegrated. Find the half-life of this isotope if the rate of disintegration is proportional to the amount remaining.

Q: Plutonium-239 is a byproduct of the fission reaction used to produce energy in nuclear power…

A: Given data,Half life=24400yearstime=97600years

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

A:

Q: The half-life of radium-226 is 1.60X10³ yr. How manyhours will it take for a 2.50-g sample to decay…

A: Given :  t1/2 = 1.60 x 103 yr , [A0] = 2.50 g , [At] = 0.185 g Half-life : The time taken by any…

Q: The half-life of Uranium-238 is approximately 4.5(10°) years. How much of a 10 kilogram block of U-…

A: Given data :- Half life = 4.5 x 109 years mass of uranium = 10 kg

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

A: Chemical changes in which species amount varies linearly along with time basically obey"first-order…

Q: A radioactive element has a half-life of 1.1 hours. How many hours will it take for the number of…

A:

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

A:

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: Carbon-11 is a radioactive istope of carbon. Its half-life is 20.3 minutes. What fraction of the…

A:

Q: Another form of radiometric dating is potassium-argon dating, which tracks the ratio of Ar-40 to…

A: Any reaction following "first-order reaction", that reactions rate always relies over single…

Q: Tritium, which is , has a half-life of 12.3 years. Calculate the amount of time it would take for…

A:

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

A:

Q: Radium-223 has a half-life of 11.43 days. How long will it take for 80% of a sample of the said…

A:

Q: The half-life of cesium-137 is around 30 years, its rate of decay is proportional to the amount…

A: All decay reactions follow first order kinetics For first order reaction,   rate constant, k =…

Q: How long does it take for 78% of a sample of cobalt-60 to decay (the half-life is 5.26 years)?

A: To solve this problem we have to first calculate the rate constant of the reaction by using half…

Q: The half-life of plutonium-239 is 24,100 years. How long will it take for a 100 g sample of…

A: Given,  Half life, t1/2 = 24100 years Initial amount = 100 g Reduced amount = 25 g Formula Used…

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 Plutonium-239 (239Pu, Pu-239) is 24,100 years. How much plutonium will remain after…

A:

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

A: The objective of this question is to determine the time it will take for the amount of U-235 to…

Q: You analyze a sample of a meteorite that landed on Earth and find that 15/16 of the uranium-238…

A: The question is based on the concept of chemical kinetics. we have been given a radioactive material…

Q: Naturally occurring uranium is composed mostly of 238U and 235U, with relative abundances of 99.28%…

A:

Q: what is the half-life of plutonium-239 if it takes 14 098 years for 33% of a given sample to decay

A: Radioactive decay follows the first-order kinetics. According to the first-order kinetics, the decay…

Q: The half-lives of all the isotopes in the uranium decay series are short when compared to…

A: Answer:The numbers mentioned before the chemical species in a balanced chemical equation is called…

Q: Isotope X has a half-life of 71.8 years. If a sample initially contains 676. mg of X, what mass of X…

A:

Q: plutonium 239 produced in breeder reactors has a half-life of 24100 years how long will it take for…

A: Answer: Time for 10% decay of Pu-239 is 3665.175 years

Q: Naturally occurring uranium is composed mostly of 238U and 235U, with relative abundances of 99.28%…

A: Given, relative abundance : U238=99.28 % U235=0.72% Half life : t1/2 of U238=4.5×109 yr t1/2 of…

Q: Carbon-11 is a radioactive isotope of carbon. Its half-life is 20.3 minutes. What fraction of the…

A: When the rate of the reaction is directly proportional to the first power of the concentration of…

Q: The half-life of radium-226 is 1.8x103 years. How many hours will it take for a 2.50-gram sample to…

A: Interpretation-  To determine how many hours will it take for a 2.50-gram sample to decay to the…

Q: The half-life of radioactive strontium-90 is 28.8 years. How long would it take when only 16.5% of…

A: The half-life of strontium-90 is = 28.8 years Time would it take when only 16.5% of the original…

Q: Naturally occurring uranium is composed mostly of 238U and 235U, with relative abundances of 99.28%…

A: Decay constant for 238U can be calculated as: λ=0.693t12=0.6934.5×109years-1 Decay constant for 235…

Q: The half-life of tritium, H-3, is 12.3 years. How much time would it take for a sample to drop to…

A:

Q: Ca-60 is used extensively in radiotherapy, its half-life is 5.27 years. How many years will it take…

A: The given data is as follows: The half life Co-60 = 5.27 years The initial amount A∘= 100 The left…

Q: The half-life of cesium-137 is 30.2 y. How long will it take for a sample of cesium-137 to decay to…

A: Half life of caesium- 137=30.2 years a0=x a1/2=x/8

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.