Zinc-71 decays to a gallium-71 nuclide with a half-life of 2.45 minutes. What percent of a zinc-71 sample remains after 15 minutes?

Q: Radon-220 undergoes alpha decay with a half-life of 55.6 s. Assumethere are 16,000 atoms present…

A: We will be using the formula which related number of atoms  remaining after a given number of half…

Q: Phosphorus-30, which has a half-life of 150 seconds, decays by positron emission. How long will it…

A: The Radioactive decay follows first-order kinetic and thereby its formulae. As we know, t1/2 × k =…

Q: irection: Write the nuclear reactions involved in the synthesis of each of the following new…

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Q: A radioactive isotope has a half life of 17.4 minutes. How long will it take for the radiation from…

A: Half life is a time taken to half the concentration of the substance present. here , the radioactive…

Q: Write a nuclear equation for the indicated decay of nuclide. Cr-51 (electron capture)

A: In Nuclear Chemistry, electron capture is one of the various decay processes though which an…

Q: The half-life of Radium-226 is 1600 years. If 30 grams are left after 8,030 years, how many grams…

A: Radioactive decay follows first order kinetics.  k = 0.693/t0.5  Or, k = 0.693/1600 year^-1 =…

Q: A freshly purified 2.00 g sample of the alpha particle emitting radionuclide 244 Am is prepared then…

A: Mass of radionuclide = 2.00 gVolume of evacuated container = 0.100 LTemperature = 25 °CPressure =…

Q: What particle is emitted if Cobalt-59 decays to Iron-59? positron neutron beta particle alpha…

A: In a beta emission, the neutron is transformed into a proton, electron, and anti neutron. It…

Q: CHEMWORK Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 x 1010 years.…

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Q: Copper-64 decays via positron emission with a half-life of 12.8 hours. Please write out the balanced…

A: Positron emission The positron emission process is a conversion of 1 proton into 1 neutron. The…

Q: The radioactive nuclide has a shelf-life of 17.5 hours. What mass remains from 0.0100g sample after…

A: Shelf-life of 17.5 hours, Calculate the mass remains from 0.0100 g after 24 hours.

Q: If the half life of a radioactive isotope is 3 minutes, how much of an 8 Ci sample would remain…

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Q: 10 half lives

A: 1/1024 fraction of original radioactive material remains after 10 half lives.

Q: The radioactive nuclide, 21Na, with a half-life of 23 s, undergoes decay by emitting a positron.…

A: It is given that 21Na is undergoing positron emission the general equation is, XZA → XZ-1A + β+10

Q: A radioactive isotope has a half-life of 24.5 minutes. how long will it take for the radiation from…

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Q: In a sample of a radioactive isotope, 20.0 % has decayed after 30.0 days. Calculate the half-life of…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…

Q: Cobalt-60 is a beta-emitter used in radiation cancer treatment equipment in hospitals. What total…

A: Given Initial mass = 24 g half life = 5.33 years time = 16 years

Q: If 16.0 g of a nuclide with a half-life of 2.0 hr is allowed to decay for 10 hours, how much of the…

A: Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change…

Q: Iodine-125 (¹251) is used to treat, among other things, brain tumors and prostate cancer. It decays…

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Q: bombardment of uranium 235 with a neutron generates tellurium 135, zirconium 98 and _ neutrons

A: A question based on nuclear chemistry, which is to be accomplished.

Q: A radioactive sample contains 9.5 x 1017 atoms of a nuclide that decays at a rate of 5.4 x 1013…

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Q: Explain what is meant by the half-life of a radioactive nuclide. Living wood has an activity of 16…

A: A radioactive nuclide is an atom that has excess nuclear energy, making the atom unstable.…

Q: A radioactive isotope has a half life of 83.3 minutes. How long will it take for the radiation from…

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Q: Based on nuclear stability, what is the symbol for the most likely product nuclide when gallium-67…

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Q: Phosphorus-30, which has a half-life of 150 seconds, decays by positron emission. How long will it…

A: Nuclear reactions or nuclear decay follows first order kinetics. Given: Half life t1/2 = 150.…

Q: The Cs-131 nuclide has a half-life of 30 years. After 120 years, 2.2 g remain. What is the original…

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Q: A patient is given 0.050 mg of technetium-99m, a radioactive isotope with a half-life of about 6.0…

A: decay constant , k = 0.693t12 = 0.6936 hour-1  integrated rate equation for radio active decay (…

Q: What is the Stable daughter  nuclide produced from the decay of Lutetium-177

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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.