how much of the 111In111In will be active 15 daysdays after the injection is given?

Q: Identify X in each of the following nuclear equations: (a) X + °ß244 Pu (b) 238UX + He (c) X→→→→→→¹N…

A: Since, To identify the unknown element X, we use the concept number of proton in both side is equal…

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: 1. Figure 3 shows the measured decrease in activity for a pure sample of a specific isotope of…

A: Step 1:Step 2:Step 3: Step 4:

Q: To measure the volume of the blood system of an animal, the following experiment was done. A 1.0-mL…

A:

Q: Radium-226 has a half-life of 1600 years. If a sample of radium-226 has a mass of 512 milligrams,…

A: we have to calculate mass of radium-226 remaining after 8000 years  Sign of the values R and S

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A: We have to arrange the given radionuclide according to initial radioactivity and calculate the time…

Q: Suppose one food irradiation plant uses a 137Cs source while another uses an equal activity of 60Co…

A: In food irradiation, food is treated with ionising radiations (like gamma rays, X-rays, electrons)…

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A: We have to arrange the decreasing initial radioactivity of the given compound based on their…

Q: Fluorine-18, which has a physical half-life of 110 min, is used in PET scans. if 1.00g of…

A: The fluorine-18 sample was shipped at 5:00 PM and arrives the laboratory at 9:30 AM in the next…

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A:

Q: A moisture density gauge uses à radioactive source containing the isotope Cs-137, which has a…

A: Cs-137 has a half-life of 30.17 years . Activity of the radioactive source is 8.00 mCi, when…

Q: Gallium-67 is used in nuclear medicine. After treatment, a patient's blood shows an activity of…

A: The objective of this question is to determine the time it will take for the activity of Gallium-67…

Q: A 0.20 mL sample a saline solution containing 59Fe is injected into the animal. Before the injection…

A:

Q: Rd-223 has a half-life of 11.4 days.Approximately how long would it take for the activity of a…

A: The objective of this question is to find out the time it would take for the activity of a sample of…

Q: A freshly isolated sample of 90Y was found to have an activity of 2.4 x 105 disintegrations per…

A:

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A: Given  Sample = 2umol Decreases by 1/8

Q: Potassium-argon dating is used to measure the age of rocks formed from cooled lava by determining…

A: Given, Potassium-40 decays into 40Ca ( 89.1 % of the time ) and 40Ar ( 10.9 % of the time )  Half…

Q: Iodine-131, in a sodium iodide tablet, is used to measure the activity of the thyroid gland. If a…

A: Nuclear chemistry is a branch of chemistry which involved the study of reactions in the nucleus. The…

Q: A is a radioactive substance with a half-life of 2 hours. B is a radioactive substance with a…

A: Introduction: Radioactive decay reaction follows first-order reaction kinetics. In this case,…

Q: Fluorine-18, which has a half-life of 110 min, is used in PET scans.  If 100. mg of fluorine-18 is…

A: Reaction in which rate is linearly depend upon one reactant is known as first order reaction.

Q: Given the half life of I 131/53 of 8 days. Calculate the 10 mg of I 131/53 after 32 days.

A:

Q: Technetium-99m (gamma emitter, t1/2 = 6.02 hr) is widely used for diagnosis in medicine. A sample…

A: [Ao] = 4.52 × 10-6  t1/2 = 6.02 hr

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

A:

Q: How could one determine that the Cu2+ ion in the catalyst is the active species, rather than the…

A: The sodium ions can be used to determine the copper ion in the catalyst is the active species as the…

Q: ) What fraction of a radioactive sample remains after one, two, and three half-lives have elapsed?…

A: Radioactivity is a nuclear phenomenon where nucleus of a heavy element undergoes spontaneous decay…

Q: Potassium-42 is used to locate brain tumors. Its half-life is 12.5 hours. Starting with 15.4 mg,…

A: Given, half life of K-42 = 12.5 hr Initial amount of K-42 = 15.4 mg    To know what fraction will…

Q: A freshly isolated sample of 90Y was found to have an activity of 2.5 ×105 disintegrations per…

A: Given, A freshly isolated sample of 90Y was found to have an activity of 2.5 ×105 disintegrations…

Q: How would I calculate the initial activity of the bone-assimilated of Sr-90 if 2.79 pCi of Sr-90 per…

A: The objective of this question is to show the activity be in Bq and the number of nuclides present…

Q: What is the half-life of iron-55 if 5.93 years are required for the activity of a sample of iron-55…

A:

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

A:

Q: Write the shorthand notation for each of the following nuclear reactions. (a) Li + ¿n He + H (b) iP…

A: