After a certain nuclear reaction, radioactive sodium is found with half life of 14.8 hrs. compute the disintegration constant A.

Q: A radioactive sample has a decay constant of 55.0 x 10-¹2 s¹. Estimate its half-life.

A: Radioactive decay is the process by which unstable nuclei spontaneously lose energy to become…

Q: One of the hazards of nuclear explosions is the generation of 90Sr and its subsequent incorporation…

A: The present amount of 90Sr can be represented by radioactive decay law as, Here, N0, t1/2, t, and λ…

Q: %3D Given: m° Find: m 2. A fission reaction in the release of a treme how much was is the I Given:

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Q: A 0.01 cm thick gold plate is bombarded for 10 minutes with a thermal neutron beam with a flux of…

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Q: Rutherfordium-261 has a half-life of 1.08 min. What is the decay constant of rutherfordium?…

A: Half life = The relation between the decay constant and the half life is given below:

Q: 1mg of (210) po decays to have a half-life of 138.3 days for a period of one year. What is the…

A: Given Initial amount, M=1mg=10-3g Half-life, T1/2=138.3 days=1.2×107s Time period, t=1 yr= 3.15×107s…

Q: Uranium-238 decays into lead-206. The Q value for the entire chain is 51.7 MeV and the decay…

A: In some nuclear decay, an alpha particle is released by the parent nucleus. This kind of decay is…

Q: Mantles for gas lanterns contain thorium, because it forms an oxide that can survive being heated to…

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Q: (Hand by written ans.)Mantles for gas lanterns contain thorium, because it forms an oxide that can…

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Q: The main dangerous radioactive material left over after the Chernobyl disaster is Caesium-137. The…

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Q: ox was found which stated to have contained an al s by weight of two metals A and B. These metals…

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Q: Characteristic nuclear time is a useful but loosely defined quantity, taken to be the time required…

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Q: A radioactive sample has a decay constant of 2.97 x 10 s¹¹. Estimate the half-life.

A: Unstable nuclei decay into a stable state. This process is called radioactivity. The rate at which…

Q: The electrical power output of a large nuclear reactor facility is 900 MW. It has a 35.0% efficiency…

A: Now a days , Nuclear reactors are the main source of energy , to produce electricity, In…

Q: purchased by a medical supply house. If the sample has a half-life of 14 d, how long will it keep…

A: Just replace the values .... An its done

Q: There is more than one isotope of natural uranium. If a researcher isolates 1.00 mg of the…

A: mass = 1 mg  = 0.001 g Activity = 80Bqhalf life ??

Q: As a health physicist, you are being consulted about a spill in a radiochemistry lab. The isotope…

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Q: A radioactive substance has a half-life period of 30 days. What is the disintegration constant?

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Q: Mantles for gas lanterns contain thorium, because it forms an oxide that can survive being heated to…

A: Hlf-life time of radioactive element is Mass of element is Note:Molar mass of  is Avogadro's number…

Q: β-decay producing 90Y . The parent nuclide is a major waste product of reactors and has chemistry…

A: Introduction: Beta negative β-1 is particle identical to an electron. Daughter nuclide resulting…

Q: Marie and Pierre Curie managed to extract 1 mg of radium from ten tonnes of uranium ore in 1898. The…

A: The decay constant for radium-226 can be calculated using the following formula: λ = ln(2)/ t½ Where…

Q: A nuclei has a half-life of 2.80 days. If 122 mCi were prepared but had a delay of 8.0 days. How…

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Q: 74 74 33As disintegrates to 32Ge in 68% of the cases, and to 34Se otherwise. T₁ for the 2 parent…

A: Radioactive decay: The spontaneous process in which the unstable radioactive nuclei disintegrate…

Q: The radioactive isotope Gold -198 has a half of 64.80hours. A sample containing this isotope has an…

A: The initial activity is given by,

Q: The half-life of 27Mg is 9.50 min. initially there were 3.70× 1012 27Mg nuclei present. How many…

A: Given: The half-life of 27Mg t1/2 = 9.50 min At t=0, the number of nuclei of 27Mg, N0 = 3.70× 1012…

Q: Unit When aboveground nuclear tests were conducted, the explosions shot radioactive dust into the…

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Q: A piece of charcoal used for cooking is found at the remains of an ancient campsite. A 1.19 kg…

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Q: 0.1 mg of pure 23ºPu (emitting Alpha particles) was found to decay with an activity of 1.38 x 107…

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