What is the specific activity (in Bq/g) if 8.58 µg of an isotope emits 7.4x104 a particles per minute?
Q: You have a 5.2 mol pure sample of an unknown material. After 1.2 h, you discover that 56% has…
A: Given that The initial number of the moles of the sample is No = 5.2mol Since…
Q: A 73.0 kg person experiences a whole-body exposure to alpha radiation with an energy of 1.50 MeVMeV.…
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Q: How much is the mass of the sample in grams of Po-218 that has an activity of 5.00 x 1019 Bq? The…
A: Given Activity = rate of disintegration = 5 × 1019 Bq = 5 × 1019 disintegration/second Half life =…
Q: A moon rock collected by a U.S. Apollo mission is estimated to be 4.00 billion years old by…
A: Given Mass (m) = 1.375 g Half-life of U238 t12 = 4.47×109 years Present time…
Q: A radioactive sample with a half-life of 3.1 s initially has 10,000,000 nuclei. What would be the…
A: The activity is R=11955.3677Bq
Q: If a 3.16-g sample of an isotope having a mass number of 135 decays at a rate of 0.530 Ci, what is…
A: Given Mass of Isotope = 3.16 gram = 3.16×10-3 Kg Mass Number = 135 Rate of decay = 0.530 Ci As…
Q: If a radioactive substance has an initial activity of 0.67 Ci and a half-life of 3.0 days, what is…
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Q: Alg sample of 1"N is placed in a neutron howitzer with a flux of 1.50 x 104 n/ cm2-s for five days.…
A: Given, flux=1.50×104 n/cm2.smass=1gThe most probable nuclear reaction 14N7+1n0→ 14c6+ 1P1The…
Q: (a) The atomic mass of the hydrogen isotope H is 1.007825 amu (atomic mass unit) and the mass of the…
A: Note: As per bartleby's rule, only one question should be answered. Kindly resubmit the other…
Q: 1. (5 pts) A Cone rotates about its central axis as shown. There is a solid sphere attached to the…
A: Step 1: Step 2: Step 3:
Q: The air in some caves includes a significant amount of radon gas, which can lead to lung cancer if…
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Q: A sample of a radioactive isotope with a decay constant of λ = 4.27 × 10-3 s-1. A sample of the…
A: we know activity R =λN where λ = decay constant N = number of particle given N = 2.68 × 1015…
Q: Technetium-99 is an unstable isotope. Given a half-life of 8.01 hours, what is the activity (in…
A: Determine the decay constant.
Q: A student carries out a radioactive decay experiment. She measures the activity of a source as a…
A: Dear student Activity is defined as rate of radioactive decay of nuclei. It is denoted by R = ¥ N…
Q: Gamma rays may be used to kill pathogens in ground beef. One irradiation facility uses a 60Co source…
A: The total amount of energy of gamma rays per beta decay of 60Co can be given as, Here, ε represents…
Q: Bananas contain 3.58 mg of potassium per gram. 0.0117% of natural potassium is the radioactive…
A: Most of the nuclei present in nature are unstable. That's why nuclear decay occurs. The Nucleus…
Q: What is the binding energy per nucleon of an alpha particle? The nuclear mass of an alpha particle…
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Q: A living specimen in equilibrium with the atmosphere contains one atom of 14C (half-life = 5 730 yr)…
A: Determine the number of carbon molecules per mole. Determine the initial number of atoms of C-14.
Q: Suppose Radon gas is trapped in a basement after renovations. The half life of radon gas Is 3.8235…
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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: What is the half-life in days of a radioactive sample with 4.9x10¹5 atoms and an activity of 6.5×108…
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Q: What is the binding energy per nucleon of 24 Pb? Give your answer in MeV
A: Mass defect of Pb is
Q: A living specimen in equilibrium with the atmosphere contains one atom of 14C (half- life = 5 730…
A: Given: Half life time,t12=5730yr=5730×3.1536×107sMass of archeological sample of…
Q: B) Calculate the average nuclear binding energy of 13AL nucleus, knowing that the mass defect of…
A: Given data: The mass defect of A1328lnucleus, ∆m=0.24136 a.m.u. 1 a.m.u=1.6605×10-27 kg. 1…
Q: As a health physicist, you are being consulted about a spill in a radiochemistry lab. The isotope…
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Q: A sealed box containing alloys of metal A and Metal B consisting of the same parts accordingly.…
A: half life of A = 12 years half life of B = 18 years mass of A = 0.53 kg mass of B = 2.20 kg A =…
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: A patient with prostate cancer is treated with implanted seeds that contain the samarium isotope…
A: Given Data:Half life Energy Activity Mass To Determine:The equivalent dose that the gland receives…
Q: The half-life of iodine-131 is 8 days. How long does it take for the initial activity of 4500 kBq /…
A: half life of iodine 131 = 8 days Initial activity (Ao) = 4500 kBqm3Final activity (A) = 65 kBqm3
Q: A. B. Use the worked example above to help you solve this problem. The half-life of the radioactive…
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Q: A small region of a cancer patient’s brain is exposed for 24.0 min to 475 Bq of radioactivity from…
A: Given: To find the dose in rads with the given values as,
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: A living specimen in equilibrium with the atmosphere contains one atom of 14C (half- life = 5 730…
A: In this question we have to find the age of the given sample in the nearest year. Please give…
Q: 1.5 The binding energy per nucléon for °Fe is 8.8 MeV per nucléon. Estimate the energy released per…
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Q: What is the half-life of a radioactive isotope if the activity of a sample drops from 6,080 cpm to…
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Q: radioactive source of a single nuclide emits 2.4 MeV neutrons at the rate of 2400 neutrons per…
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Q: (d) An a particle is confined in a 'Dy nucleus. Assuming the speed of the a particle is…
A: Uncertainty principle states that it is impossible to measure distance and momentum of a particle…
Q: A 73.0 kg person experiences a whole-body exposure to alpha radiation with energy of 1.50 MeVMeV. A…
A: Given problem is based on the dosimetry. Absorbed dose is defined as, the amount of energy deposited…
Q: What is the mass of 25.0 mCi of technetium-99m (Tc99m)Tc99m , which has a half-life of 6.00 h?
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Q: A living specimen in equilibrium with the atmosphere contains one atom of ¹4℃ (half-life = 5 730 yr)…
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Q: A building has become accidentally contaminated with radioactivity. The longest-lived material in…
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Q: Plutonium-239 (atomic number 94) is a by-product of nuclear power plants. It decays via alpha and…
A: A) decay constant = 0.693/half life = 0.693/24100 = 0.0000287 yr-1 = 0.693/(24100*365*86400) = 9.12…
Q: What is the activity of a sample of C that contains 6.7x1020 nuclei? The half-life of C is 5700…
A: Solution:In 5700 years 6.5 × 10202 nuclei decay will take place, thus we have:5700 yrs =…
Q: What is the binding energy per nucleon of the tritium (H3) nucleus (1u=931.5 MeV; Tritium atomic…
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Q: a. Compute the binding energy of the reactants and of the products in the nuclear fusion reaction 2H…
A: Write the given reaction of nuclear fusion, and the expression for the binding energy, respectively.…
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