5-34. The isotope Cu is unusual in that can decay by y, B*, and ß“, emission. What is the resulting nuclide for each case?

Q: The BOD was measured to be 300 mg/L for raw wastewater. If the BOD decay constant is 0.242 day,…

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Q: Define A, Z, and X in the notation used to specify a nuclide: AX/Z

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Q: The fraction of a radioactive isotope remaining at time tis  (1/2)t/t1/2, where t1/2is the…

A: Given: a) Fraction of Carbon-14 in a piece of charcoal after 10.0 yr is calculated as shown below,

Q: # 4. The remnants of an ancient fire in a cave in Africa showed a 614decay rate of 3.9counts per…

A: Radioactive decay is a first order reaction. The integrated rate law for first order reaction is as…

Q: The disintegration energy of the decay30 P15 by position emission is 4.30 M The daughter nuclide, Si…

A: The unit of disintegration energy is given in the unit of M . Disintegration energy generally have…

Q: Predict a likely mode of decay for unstable nuclide.  Mo-109

A: Emission of energy and subatomic particles is termed as radioactivity.

Q: How much time is required for a 6.25-mg sample of 51Cr to decay to 0.75 mg if it has a half-life of…

A: The initial amount of the sample = 6.25 mg The amount of sample after time t = 0.75 mg. The…

Q: Determine the half life of an isotope hat decays from 450.0g to 320.0g in 50 years.

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Q: What is the half-life (t1/2) of a radioisotope if 1000 grams of the sample decays to 125 grams in…

A: The nuclear half-life is amount of time it takes for half of sample to decay radioactively.…

Q: What is balanced nuclear equation for: Nitrogen-13 decays by positron emission 13 O N+ 9e --- > C O…

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Q: The isotope 185Hf undergoes B decay with a half-life of 3.50 min. (a) What isotope is produced by…

A: All radioactive decay process follow 1st order kinetics.

Q: On irradiation of a radioactive element with neutrons, a radiochemist discovered a new nuclide…

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Q: Calculate how long will it take for a sample of a radionuclide with a half-life of 40.8 days decay…

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Q: Nucleosynthesis: You find yourself in the expanding stellar envelope following explosion of a star…

A: The first stage of nucleosynthesis is the fusion of hydrogen nuclei and consequent formation of…

Q: What is the decay energy when Ca (atomic mass, 40.962278 u) undergoes electron capture? The atomic…

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Q: How many hours until the isotope decays to 1.56 x 10-3 mg?

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Q: 3) 120g of Chromium-48 decays. After 6 half-lives, how much of the original nuclei would remain?

A: Given,  Initial amount of Chromium - 48 is 120g. After 6 half lives the original nuclei would remain…

Q: Calculate the time required for 52% of a sample of A (t1/2 = 7510 y) to decay.

A: Given that : The half-life of sample A (t1/2)= 7510 y We have to calculate the time required for 52%…

Q: What is the isotope that is used in carbon dating? What is its half-life?

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: The half-life of the nuclide 211 At is 7.5 h. If 0.100 mg of this nuclide is administered for…

A: The answer to the following question is-

Q: The radioactive isotope Pt-188 decays into a stable nuclide after a series of 4 separate decays. The…

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Q: uclear reaction is an alpha emission and it released 1.98 x 1013 moles of alpha les then what is the…

A: We will calculate energy

Q: The disintegration energy of the decay30 P15 by position emission is 4.30 Mev.  The daughter…

A: Q1. The mass of 30P is 29.96989 u. Q2. The energy associated with the reaction is 2.29 Mev.

Q: If a radioisotope is required to undergo a decay series in order to form a stable isotope at the…

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Q: Radium-221 has a half of 30 sec. How long will it take for 82% of a sample to decay?(Round your…

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Q: Lutetium-177 is an ideal therapeutic radioisotope because it is a strong B emitter and emits just…

A: When a radioactive nucleus decays, it produce the daughter nuclei (nuclide left over after…

Q: The disintegration energy of the decay30 P15 by position emission is 4.30 Mev.  The daughter…

A: Given,  disintegration energy = 4.30 Mev  mass of Si = 29.97396 u  Mass of positron, 0e+1 = 0.000548…

Q: Iodine-131 undergoes beta emission with a decay constant of 0.0864 1/days. If you start with 35.0 mg…

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Q: How much energy per nucdeons must be supplied to break a single O-16 nucleus.

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

Q: Potassium-40 decays to argon-40 with a half-life of1.27x109 yr. What is the age of a rock in which…

A: Half-life: It is defined as the time required for a quantity to reduce half of its initial value.…

Q: The mass percent of carbon in a typical human is 18%, and the mass percent of 14C in natural carbon…

A: Given that: Mass % of carbon in humans = 18 % Mass % of 14C in natural carbon = 1.6 ×10-10 mas of…

Q: The nuclide 0 (atomic mass, 17.99916 u) is produced by the B* decay of F (atomic mass 18.00094 u).…

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Q: For a radioisotope where k=1.7x10-4yr1, how old is a sample when only 10% remains? O 5,900 years 590…

A: The radioactive compound emits continuously α, β, and γ particles and converted to a stable nucleus.…

Q: A 10, gram mouse was found to be uniformly contaminated on its whole body with 2.5 µCi of…

A: Given: 10 mg of mouse contaminated on its whole body with 2.5 µCi of radioactive glucose. mass of…

Q: A 1.50-L gas sample at 745 mm Hg and 25.0° C contains 3.55% radon-220 by volume. Radon-220 is an…

A: In the gas sample, volume of radon-220,V = 1.50 x 0.0355 = 0.053 L.

Q: The isotope 208Tl undergoes β decay with a half-life of 3.1 min.  How many minutes will it take for…

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Q: 3.) The Radioactive nuclide co has a half-Life of 8.5 hours, 55 27 what mass of Co Temains from a.…

A: Mass of sample remains after 18 hours is       0.0045 g.

Q: 5) In the nuclear transmutation Show the reaction 239 represented by 94 Pu ( 7 He, on); ?, what is…

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Q: Vhat is the half-life of a radioisotop

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Q: .Determine the decay constant of 1 g of pure K40 that is experimentally determined  to emit about…

A: According to the question we have to calculate the decay constant for the potassium and the given…

Q: 14Cdecays by B-emission and after 12.0 h, ninety percent of the radioactive substance remains.…

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Q: Nuclides with too many neutrons to be in the band of stability are most likely to decay by what…

A: In a stable nuclide, the ratio of the number of neutrons to protons is in a definite region. If the…

Q: Calculate the disintegration energy released by B-decay of Na (atomic mass , 24.98995 u). The atomic…

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Q: entify the missing nuclides in the following decays. 212 Bi - ? + (a) Не 83 chemPad O Help Greek -…

A: In above equations , no of protons and mass must be equal. a) 83Bi212 ------ 81Tl208 + 2He4

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.