If a 55-gram laboratory mouse is exposed to 20.5 rad of radiation, how much energy was absorbed by the mouse’s body?

Q: What two processes are represented by the following transmutation reaction? 1271 + In - - > 128Xe +…

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Q: Technetium-99m has a half-life of 6.01 hours. If a patient injected with technetium-99m is safe to…

A: Half-life: The half-life of a chemical reaction is time needed for half of an initial concentration…

Q: 1. A substance has a mass of 5 grams after decaying for 100 minutes. What was the mass of the…

A: Given that: Mass of substance left after decaying = 5 g Total time for decaying of substance = 100…

Q: a radionuclide (which has no parent) has a half- life of 8.0 days, how much of the original…

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Q: A 75-kg man has a dose of 32.8 rad of radiation. How muchenergy is absorbed by his body? Compare…

A: 1 rad indicates that 0.01 joule of radiation is absorbed by per kilogram of the body. Hence, the…

Q: A sample of wood from an Egyptian mummy case taken from an archaeological site is subjected to…

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Q: if the passing of five half -life leaves 50.0g of a of radioisotope sample, how much was present in…

A: Mass of sample after 5 half life = 50 g Initial amount = ?

Q: If a rock contained 12.0 g of ⁴⁰K when the earth was formed 4.54 billion years ago and the half-life…

A: Given information is as follows; Initial mass of ⁴⁰K in the rock A0 = 12.0 g Final mass of ⁴⁰K in…

Q: If a 55-gram laboratory mouse has a dose of 20.5 rad of radiation, how much energy is absorbed by…

A: The rad is a unit of absorbed radiation dose. It is defined as 1 rad=0.01 J/kg. It is original…

Q: A 76 mg sample of a radioactive nuclide is administered to a patient to obtain an image of her…

A: Given : Half life=12 hr Initial amount, [A]o=76 mg The final amount, [A]=? Time, t=3.5 days= 3.5 x…

Q: Identical amounts of two different nuclides, an alpha emitter and a gamma emitter, with roughly…

A: Identical amounts of two different nuclides, an alpha emitter and a gamma emitter, with roughly…

Q: Questions 7 and 8 complete the following nuclear equations and identify the missing particle 127Cs…

A: Given equation is  Cs = He + ?

Q: A 3.6-kg laboratory animal receives a single dose of 8.92×10-4 Gy. (a) How many rads did the animal…

A: (a) Given data contains, Mass of laboratory animal is 3.6-kg. Dose received is 8.92x10-4 Gy.

Q: A radioactive sample contains 1.55 g of an isotope with a half-life of 3.8 days. What mass of the…

A: The process in which energy is lost by unstable atomic nucleus via radiation is known as radioactive…

Q: During work with a radioactive source, a worker was told that he would receive 45 mrem at a distance…

A: Given: During work with a radioactive source: worker receive 45 mrem at a distance of 7.0 m during…

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

A: Given,0.050 mg of technetium-99m,Half-life is 6.0 hours.1.0×10-3 mg

Q: A typical home uses approximately 1.0 x 10° kWh of energy per month. If the energy came from a…

A: Total energy required for 1 year = 1.0 x 103 x 12 kWh…

Q: Why can’t radiocarbon dating be used to determine the age of an artifact that is over 50,000 years…

A: The reason why radiocarbon dating could not be used to obtain the age of an artifact which is 50,000…

Q: A small figure carved from wood, believed to predate the period of Roman occupation of the Middle…

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Q: Why do high-altitude jet flights increase a person’s exposure to background radiation?

A: The background radiation is the high-energy radiation is considered to be cosmic radiation. These…

Q: Write the isotope needed, by identifying AA, ZZ, and XX, to balance the following

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Q: List the effects of short-term exposure to radiation?

A: The effects of short term exposure to radiation has to be listed.

Q: Describe the biological effects of radiation?

A: In a nuclear reaction, the two nuclei collide with each other forming two or more nuclides. The…

Q: A piece of wood, reportedly from King Tut's tomb, was burned, and 7.32 g CO2 was collected. The…

A: In order to find the age of the sample we first write down the given data: Mass of CO2=7.32 g. Total…

Q: A 75-kg human is exposed to 32.8 rad of radiation. How much energy is absorbed by the person’s body?…

A: Given, A 75-kg human is exposed to 32.8 rad of radiationUnit conversion:1 Rad = 0.01 Joule/Kg100 Rad…

Q: A patient receives 9.2 ng of a radioisotope with a half-life of 12 hours. How much will remain in…

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Q: A radioactive isotope has a half-life of 12.0 seconds. How much of a 100 gram sample is left after…

A: Given  Initial Mass of Sample ( A)0  = 100 gram  Half life time ( t1/2)   = 12 sec  Time ( t ) = 36…

Q: 10 half lives

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

Q: What was the dose of radiation received by a person living near Three Mile Island at the time of the…

A: 1 millirem

Q: What is the binding energy of 50Ti? The mass of 50Ti is 49.9448 amu.

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Q: Complete the following nuclear equation and identify X. Potassium-40 ----> Beta + X

A: In this question we have to identify the X in the nuclear equation by balancing the nuclear…

Q: In the reaction shown, the radiation produced is a(an) 66 66 29 Cu 30Zn + ?

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Q: 26. Four hundred grams of a radioactive substance decays to 50.0 grams. If it has a half-life of…

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Q: If a 55-g laboratory mouse has a dose of 20.5 rad of radiation,how much energy is absorbed by the…

A:

Q: A 60 mg sample of a radioactive nuclide is administered to a patient to obtain an image of her…

A: Given: Half-life = 12 hours Radioactivity follows first-order kinetics. First calculate the rate…

Q: A patient ingests 155 mg of I-131, a beta emitter with a half-life of 8.0 days. Assuming that none…

A: Half life, t ½ = 8 days= 691200 sDecay constant, k = 0.693/ t ½ = 0.693 /691200 s = 1 x 10-6 s-1.

Q: Suppose a person ingest equal amounts of two nuclides, both of which are beta emitters (roughly…

A: The decay process for the radioactive element is a first order kinetic and the relation of between…

Q: Which of the following isotopes below will most likely undergo fission in a nuclear reaction? O…

A: Nuclear fission is a reaction in which a molecule beak down into two other small molecules with mass…

Q: If a rock contained 12.0 g of 4°K when the earth was formed 4.54 billion years ago and the half-life…

A:

Q: If you have 2.00 grams of a radioisotope, with a half-life of 5 days, how much of the isotope is…

A: Given;

Q: A radioactive isotope has a half-life of 84.5 minutes. How long will it take for the radiation from…

A: Half life t1/2 = 84.5 min = 5070 s

Q: If the half-life of a radioactive isotope is 3.5 minutes, how many grams of a 200-gram sample would…

A: The interval of time required for a radioactive isotope to decay to one-half of its atomic nuclei is…

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: 11. Which type of radiation does the most tissue damage when the emitter is internally ingested? a)…

A: In this question, we will see which type of radiation is most tissue damage.  You can see details…

Q: If a sample of radioactive material undergoes 1.0134E13 decay events in 83 seconds, how many Curies…

A: Solution: We have decay of given radioactive sample is 1.0134E13 in 83 seconds. By the definition we…

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: 85.0-kg person is exposed to 419 rad of radiation. How many joules did this person absorb?

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Q: A 58 mg sample of a radioactive nuclide is administered to a patient to obtain an image of her…

A: