Tests on human subjects in Boston in 1965 and 1966, following the era of atomic bomb testing, revealed average quantities of about 2 pCi of plutonium radioactivity in the average person. How many disintegrations per second does this level of activity imply? If each alpha particle deposits 8 * 10-13 J of energy and if the average person weighs 75 kg, calculate the number of rads and rems of radiation in 1 yr from such a level of plutonium

Q: 238U (t1/2=4.5x109yr) begins a decay series that ulti-mately forms 206Pb. The scene below depicts…

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Q: Calculate the binding energy per nucleon for the 2Fe nucleus. (Atomic masses: iron-56 = 55.9349 amu;…

A: Binding energy per nucleon can be defined as the amount of energy required to break down the nucleus…

Q: nuclide 22086X decays to a new nuclide Y by emission of two alpha particles and two beta particles.…

A: In alpha decay atomic mass decreased by 4 while atomic number decreased by 2 ,it is also known as…

Q: . Suppose that an 85.0-g laboratory animal ingests 10.0 mg of a substance that contained 2.55% by…

A: Amount of Pu-239 ingested in animal = 2.55 % of 10 mg  Amount in mass =

Q: The nuclide 200 Th decays to Ra by a emission. The mass of 230 Th 230.033131 u, of 2Ra is 226.025406…

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Q: 70 + on → He + 14C Ces données sont disponibles : Nucléide Masse (uma) Nucléide Masse (uma) 14…

A: In the nuclear reaction, the mass is converted into energy. According to the conversion factor 1 uma…

Q: A 61 −kg−kg person is accidentally exposed for 224 ss to a 17 −mCi−mCi source of beta radiation…

A: Interpretation: A 61-kg person is accidentally exposed for 224 s to a 17 −mCi source of beta…

Q: 6) Curium-243 undergoes a decay to plutonium-239: 24 Cm→ 23°PU +alpha Masses: "Cm = 243.0614 amu,…

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Q: Calculate the binding energy per nucleon for the 2 Fe nucleus. (Atomic masses: iron-56 = 55.9349…

A: Given:: 2656Fe mass of Fe= 55.9349 amu mass of proton = 1.0078 amu mass of neutron = 1.0087 amu

Q: A 65-kg person is accidentally exposed for 240 s to a 15-mCi source of beta radiation coming from a…

A: Calculate the effective dose in mrem:

Q: 25 grams of rock there are 3.43 grams of radioisotopes and 0.482 grams of nuclides derived from the…

A: Given: In 25 grams of rock, there are: 3.43 grams of radioisotopes. 0.482 grams of nuclides derived…

Q: Name the unidentified species, and write each transmuta-tion process in shorthand notation: (a)…

A: The nuclear reaction can be written in the shorthand notation with the parentheses. Bombarding…

Q: The atomic mass of 127 53 I is 126.9004 amu. Find its nuclear binding energy per nucleon. (I…

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Q: 4. Thorium-229 is used in cancer treatment. It has a half-life of 7340 years. a) What type of…

A: Given   The half-life of thorium-229 is 7340 years.   Since we only answer up to 3 sub-parts, we’ll…

Q: Tests on human subjects in Boston in 1965 and 1966, followingthe era of atomic bomb testing,…

A: Calculate the activity of give process:

Q: The uranium decay series from U-238 to stable lead (Pb-206) is: 238U → 234TH -→ 34P. 91 92 210Pb →…

A: α - particle emitters are- U92238 → T90234h + H24e U92234 → T90230h + H24e T90230h → R88226a + H24e…

Q: old-198 is a β emitter used to treat leukemia. It has a half-life of 2.7 days. The dosage is 1.0…

A: Interpretation: The time taken for 70.-mCi dose of Gold 198 to decay to an activity of 2.2 mCi is to…

Q: Over geological time, an atom of 238U decays to a stable 206Pb atom in a series of eight alpha…

A: Given: Half-life of 238U    = 4.47 x 109 years Volume of helium = 9.0 x 10-5 cm3 at 0 oC and…

Q: What is the nuclear binding energy per nucleon, in joules, for 25M. (atomic mass 24.985839 amu).…

A: BE = mass defect x c^2 mass defect = cal mass - observed mass = (total protons mass + total neutrons…

Q: The most stable nucleus in terms of binding energy per nucleon is ⁵⁶Fe. If the atomic mass of ⁵⁶Fe…

A:

Q: Before 1900 the activity per unit mass of atmospheric carbon due to the presence of 14C averaged…

A: It is known that the half-life of 14C is 5730 yr

Q: The a-decay of 238U (t,/2 = 4.47x10°y) leads to 234TH (t/2 = 24.1d). A sample of uranium ore should…

A: Given, α decay of U238 to T234h. The isotopic abundance of U238 (natural) = 99.3 %

Q: A 65-kg person is accidentally exposed for 240 s to a 15-mCi source of beta radiation coming from a…

A: Data, 1 becquerels (Bq)=1  dis/s                     1 mCi=10-3Ci                        1…

Q: A sample of an alpha emitter having an activity of 0.20 Ci is stored in a 29.8 mL sealed container…

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Q: Calculate the mass defect and nuclear binding energy pernucleon of each nuclide.a. O-16(atomic mass…

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Q: Calculate the binding energy (in MeV) of a nuclide 192J77 from the following information: mass of a…

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Q: Positron emission from 11C, 116C---->115B + 0+1e, occurs withrelease of 2.87 x 1011 J per mole of…

A:

Q: Calculate the binding energy (in Joules per nucleon) of Cl17 with a nuclear mass of 36.98224 amu.…

A: Solution -

Q: Complete the following nuclear bombardment equation by filling in uclear symbol for the missing spe…

A: Here let us assume that missing species is B with atomic number z and atomic mass a  So equation can…

Q: Natural lithium consists of 7.42% 6Li and 92.58% 7Li.Much of the tritium (13H ) used in experiments…

A: The fusion reaction is between 6Li and neutron.

Q: Calculate the mass defect and nuclear binding energy pernucleon of each nuclide.a. Li-7(atomic mass…

A:

Q: Radioactive isotopes used in cancer treatment have a shelf life simply because the active nuclei…

A: Answer :-  The source is barely (just) usable.…

Q: 214 the half-life of 3Bi is 19.7 minutes, calculate the mass of radionuclide Bi-214 if the activity…

A: Here we have to determine mass of Bi-214 nuclide and specific activity i

Q: A sample of drinking water collected from a suburban Boston municipal water system in 2002 contained…

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Q: Calculate the total binding energy in kJ per mole nuclide and in kJ/mol nucleons for the following…

A: To calculate the total binding energy in kJ per mole nuclide and in kJ/mol nucleons for the…

Q: atomic mass of the magnesium-27

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Q: Which is the balanced nuclear equation for alpha decay, 243Cmog? O 243Cmg6 241 Amos + es O 249Cm96…

A: The isotope given is 243Cm96.

Q: Be sure to answer all parts. Lead-206 is the end product of 238U decay. One 200Pb atom has a mass of…

A: (a) Interpretation: The binding energy per nucleon should be calculated. Concept introduction: The…

Q: Calculate the binding energy per nucleon for the 26 Fe nucleus. (Atomic masses: iron-56 = 55.9349…

A:

Q: Strontium-90 is one of the most hazardous products of atomic weapons testing because of its long…

A: The radioactive nucleus will decay by ejection of some particles like alpha, beta, gamma, etc. It…

Q: The slope of a graph for some measurements of decay rate of a sample of 1281, a radionuclide often…

A: Radioactive decay obeys first-order kinetics.

Q: You are working as a technician in the radiology department of a large hospital. One of the…

A: The relation between activity, total time and half-life is shown below:

Q: The uranium decay series from U-238 to stable lead (Pb-206) IS: 238U → 234Th → “Pa → 92 U - Th →…

A: alpha- particle emission is accompanied by decrease in mass no. by 4 and decrease in atomic no. by…

Q: If a hospital purchased 58 mg of radioactive 131I (t1/2 = 8.05 d; beta emission) to treat a patient…

A: Since the radioactive decay reactions are first order reactions Hence we can say  1) Half life =…

Q: At 8:00 a.m., a patient receives a 58-mg dose of I-131 to obtain an image of her thyroid. If the…

A: At 8:00 a.m., a patient receives a 58-mg dose of I-131 to obtain an image of her thyroid. If the…

Q: A 68 −kg person is accidentally exposed for 252 s to a 13 −mCi source of beta radiation coming from…

A:

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.