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 fraction of an administered dose of 121 µg of 9943Tc remains in a patient's body after 2.00 days?

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…

A:

Q: Gallium-67 is used medically in tumor-seeking agents. What is the half-life of gallium-67 if 229…

A: Time = 229 hours  Reduced activity = 13.2 %  Half life time of gallium - 67 = ?

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

A: The radioactive substances mainly possess decay process through first-order kinetics and half-life…

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

A:

Q: Seaborgium-266 has a half-life of 30 seconds. How many half-lives will pass in 30 minutes?

A: Given values -> Half life = 30seconds Total time = 30 minutes

Q: Radioactive radon-222, found in many homes, is a potential health hazard. The half-life of radon-222…

A: To solve this problem first we find the rate constant ( k) using half life time . Then we will…

Q: Thallium-201 is used medically to diagnose heart problems. The half-life of thallium-201 is 72.9…

A: Since the decay reactions are first order reaction. Hence for the first order reactions we can say…

Q: 4. Iron-59, which is used to diagnose anemia, has a half-life of 45 days. What fraction of it is…

A: we know that,→ Radioactivity phenomena follow first owen                            knnetics.so,…

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

A: Radiographic process follow first order:Total no. of hours in 2 - days = 2 x 24 hours…

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: Cobalt-60 has a half-life of 5.27 years and is used in cancer treatment. If a patient ingests 20.0 g…

A: Since the decay reactions are first order reactions hence the relationship between the time and mass…

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

A:

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

A: Given-> Half life = 78.2 hours Initial amount = 44.2 mg Time = 97.0 hours

Q: A 120-mg sample of technetium-99m is used for a diagnostic test. If technetium-99m has a half-life…

A: Rate of a reaction determines the speed with which a reaction proceeds. First order reaction is a…

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

A: A chemical reaction is symbolic representation of the conversion of substances to new substances. In…

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

A:

Q: A to 240mg sample of technetium 99M is used for a diagnostic test. if Technetium -99m has a…

A:

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: Americum-241 is widely used in smoke detectors. Calculate the amount of Americum-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: The isotope 90/38 Sr is one of the extremely hazardous species in the residues from nuclear power…

A:

Q: Thallium-201 is used medically to diagnose heart problems. The half-life of thallium-201 is 72.9…

A: Decay reactions are first order reactions. Since we know that, for different order of reactions, the…

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

A:

Q: Radioactive radon-222, found in many homes, is a potential health hazard. The half-life of radon-222…

A: Given Half life of Radon -222 ( t1/2 )  = 3.82 days  Initial amount of isotope ( A0 )= 33.5 mg  Time…

Q: Radioactive radon-222, found in many homes, is a potential health hazard. The half-life of radon-222…

A:

Q: A 120-mg sample of technetium-99m is used for a diagnostic test. If technetium-99m has a half-life…

A: The basic formula for half life equations is A= amount remainingP= original amountt= elapsed…

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

A: Gallium - 67 has a half-life of 78.2 hours. Initially 36.7 mg of Gallium - 67 were present.   Here,…

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

A:

Q: Gallium-67 is used medically in tumor-seeking agents. What is the half-life of gallium-67 if 219…

A:

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: Radioactive radon-222, found in many homes, is a potential health hazard. The half-life of radon-222…

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

Q: Radioactive radon-222, found in many homes, is a potential health hazard. The half-life of radon-222…

A: The half life of radon = 3.82 days. Initial amount = 37.9 mg  time = 4.70 days mass remains after…

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

A:

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

A:

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

A: Here given, The half-life of gallium-67 (t1/2) = 78.2 hours Time (t) = 198 hours Initial amount (N0)…

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.