Technetium-99 has been used as a radiographic agent in bone scans (9943Tc is absorbed by bones). If 9943Tc has a half-life of 6.0 hours, what percent of an administered dose of 121 µg of 9943Tc remains in a patient's body after 2.00 days?

Q: Phosphorus-32 is a radioisotope used in the treatment of leukemia and pancreatic cancer. If the…

A: Given, Phosphorus-32 in a sample decreases from 1.2g to 0.30g in 28 days . We have to calculate half…

Q: Gallium-67 is used medically in tumor-seeking agents. The half-life of gallium-67 is 78.2 hours. If…

A: Given Half life (t1/2) = 78.2 hours Initial amount (N0) = 45.7mg  Time (t) = 193 hours Radioactive…

Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

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Q: Copper-64 is used in the form of copper acetate to study brain tumors. It has a half-life of 12.8…

A: Since we know that radioactive decy follow first order kinetics  So to solve this problem we will…

Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

A:

Q: Gadolium-153, which is used to detect osteoporosis, has a half life of 242 days. What percentage of…

A: Radioactive decay follows first order kinetics.Equation for half life, t½ = ln2 / kTherefore k = ln2…

Q: Phosphorus-32 (P-32, Z=15), a radioisotope used in the treatment of leukemia, has a half-life of…

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Q: technetium-99 has a half-life of 6.0 hours. How many gramsin a 24.0 gram sample will remain…

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Q: The half life of I-123 is 13 hours. If 29 mg if I-123 are administered to a patient, how much I-123…

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Q: 18° Re is used in the treatment of bone cancer. The half-life of 180 Re is 3.72 days. If you begin…

A: Given: Half-life of isotope = 3.72 days. The initial mass of isotope =1.76 µg And time passed = 18.6…

Q: Strontium-90 is present in the fallout produced by nuclear weapons testing in the atmosphere. Sr-90…

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Q: Iodine-131 is administered orally in the form of Nal(aq) as a treatment for thyroid cancer. The…

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Q: gold -198 is used in the diagnosis of liver problems. the half-life of 198au is 2.69 days. if you…

A: Calculating the rate constant for first order reaction using half-life: t1/2=0.693k     .....(1)…

Q: Technetium-99 has been used as a radiographic agent in bone scans (9943Tc is absorbed by bones). If…

A: The half-life period is the time taken by one half of the radioactive substance to decay or…

Q: Technetium−99m is used in diagnostic imaging studies involving the brain.  What fraction  of the…

A:

Q: lodine-131 is used in the treatment of tumors in the thyroid gland. Its half-life is 8.1 days.…

A:

Q: Gold - 198 is used in the diagnosis of liver problems. The half-life of^198 Au is 2.69 days. If you…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: what mass remains after 28.5 days have passed?

A:

Q: Technetium-99 (half-life = 6.0 h) is used in medical imaging. How many half-lives would go by in 18…

A: technetium - 99 have half life = 6 hours

Q: Sodium-24 is used to treat leukemia and has a half-life of 15 hours. A patient was injected with a…

A: Radioactive disintegration  is very unstable nucleus loosing energy  and it follows first order

Q: Barium−131 is a radioisotope used to study bone formation. A patient ingested barium−131. How much…

A: The time in which half of the initial amount of the reactants convert into the product known as half…

Q: Gallium-67 is used medically in tumor-seeking agents. The half-life of gallium- 67 is 78.2 hours.…

A: Given   The half-life is 78.2 hours. The fall in activity of gallium-67 is 29.1 percent of its…

Q: Americium-241 is a radioactive isotope that is used in smoke detectors. It has a half-life of 432.2…

A:

Q: One of the radioactive isotopes used in chemical and medical research is iodine-125, which has a…

A: Given Half life of I-125 = 61 days [I-25]t = 0.25 g[I-25]0 = 1 gNow As we know radioactive decay is…

Q: Americum-241 is widely used in smoke detectors. Calculate the amount of Americum-241 consumed in a…

A:

Q: Chromium-51 is a radioisotope that is used to assess the lifetime of red blood cells The half-life…

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Q: Chromium-51 is a radioisotope that is used to assess the lifetime of red blood cells The half-life…

A: Given: The half life, (t1/2)=27.7 days. The initial concentration of Cr-51=28.7 mg 981

Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

A:

Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

A:

Q: Iodine-131 is administered orally in the form of NaI(aq) as a treatment for thyroid cancer. The…

A: Given half life = 8.04 days time = 12.7 days initial mass = 31.1 mg

Q: Iodine-131 is administered orally in the form of NaI(aq) as a treatment for thyroid cancer. The…

A:

Q: he half-life of 14/6 C is 5730 years. If a mummy wrapping contains about 1/2 as much 14/6 C as…

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Q: A 1.00 L sample of water near a nuclear plant registered a 2.55 pCi of iodine–131. What is the…

A: The given data contains, half life =8 days. =8 days×24 hourday×60 minhour×60 shour =681200 s mass of…

Q: 5. TI-201 can be used to assess the damage to the heart muscle in a person who has suffered a heart…

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Q: Iodine-131 is administered orally in the form of NaI(aq) as a treatment for thyroid cancer. The…

A: Radioactive decay is always a first order reaction. According to the first order radioactive decay…

Q: Gold-198 is used in the diagnosis of liver problems. The half-life of 198Au is 2.69 days. If you…

A: Given,  Half-life of Au = t1/2 = 2.69 days  Initial concentration = N0 = 2.8 mg  Time period = t =…

Q: The half-life of I-131 is 8.0 days. If a medical treatment involves a dose of 100. mg of I-131, how…

A: The remaining I-131 isotope after 16 days is calculated as shown below. where t1/2 is the half-life,…

Q: 186 Re is used in the treatment of bone cancer. The half-life of 18° Re is 3.72 days. If you begin…

A:

Q: Chromium-51 nuclide is used in studies to evaluate the lifespan of red blood cells and bone marrow…

A: Chromium-51 is a commonly used radionuclide with a half-life of 27.7 days, emitting gamma rays with…

Q: Iodine-131 is administered orally in the form of NaI(aq) as a treatment for thyroid cancer. The…

A: Radioactive decay follow first order kinetics.

Q: Nitrogen-13 is used in tracers injected into the bloodstream for positron emission tomography (PET).…

A:

Q: Iodine-131 is used in the diagnosis and treatment of thyroid disease and has a half-life of 8.0…

A: Formula: Since Iodine is a radioactive substance, it follows the 1st order rate law. The half-life…

Q: . If Gallium-68 has a half-life of 1.13 hours, how much of a 10.0 mg sample is left after 5.69…

A: 1.  given :-  initial amount of sample = 10.0 mg  half life of Gallium-68 (t1/2) = 1.13 hours  To…

Q: A 120-mgmg sample of technetium-99 mm is used for a diagnostic test. If technetium-99 mm has a…

A: Solution -

Q: Gallium-67 is used medically in tumor-seeking agents. The half-life of gallium-67 is 78.2 hours. How…

A: The decay reactions are first order reactions. Since we know that the relationship between the…

Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

A:

Q: One of the radioactive isotopes used in chemical and medical research is iodine- 125, which has a…

A: Given -  Half life of iodine = 61 days  Initial concentration of iodine (No) - 1 g After time t…

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.