lodine 131 has a half life of 8 days and decays by a first order process (as is always the case for radioactive decay)
lodine 131 has a half life of 8 days and decays by a first order process (as is always the case for radioactive decay). How much of a 46 gram sample of iodine 131 will remain after 8 days? Report your answer in grams.
Homework Answers
Add Answer to:
lodine 131 has a half life of 8 days and decays by a first order process (as is always the case for radioactive decay)
Modeling radioactive decay in pennies MODELING RADIOACTIVE DECAY WITH PENNIES ADVANCED STUDY ASSIGNMENT MODEL 2: RADIONUCLIDE...
Modeling radioactive decay in pennies
MODELING RADIOACTIVE DECAY WITH PENNIES ADVANCED STUDY ASSIGNMENT MODEL 2: RADIONUCLIDE HALF-LIFE The time required for half of a sample of a radionuclides (radioactive isotopes) to decay is called the half-life (units of time). Table 2 below illustrates the half-lives of several radioisotopes and the Table 2: Half-lives of some Radioisoto barium-131 carbon-14 chromium-51 cobalt-60 iodine-131 uranium-238 Radiation Half-life 11.6 days 5730 yrs 27.8 days 5.3 yrs 8.1 days 4.47. 109 yr Application detection of...
1-2 lodine-131 is often used in nuclear medicine to obtain images of the thyroid. If you start with 4.0x10 lodine-131 atoms, how many are left after approximately 1 month? 1-131 has a half- life o...
1-2
lodine-131 is often used in nuclear medicine to obtain images of the thyroid. If you start with 4.0x10 lodine-131 atoms, how many are left after approximately 1 month? 1-131 has a half- life of 8.0 days. 2) Radium-223 decays with a half-life of 11.4 days. How long will it take for a 0.240-mol sample of radium to decay to 1.50x 10 mol?
lodine-131 is often used in nuclear medicine to obtain images of the thyroid. If you start with...
Iodine-131 is used in medical images for CT scans with contrast. Iodine-131 decay is first order...
Iodine-131 is used in medical images for CT scans with contrast. Iodine-131 decay is first order with a half-life of 8.0 days. If a patient is administered a typical dose of 370 mg Iodine, how much Iodine-131 will remain after 24.0 days?
8. Fermium-253 has a half-life of 0.334 seconds. A radioactive sample is considered to be completely...
8. Fermium-253 has a half-life of 0.334 seconds. A radioactive sample is considered to be completely decayed after 10 half-lives. How much time will elapse for this sample to be considered gone? 9. 100.0 grams of an isotope with a half-life of 36.0 hours is present initially. How ma time will have elapsed when 5.00 grams remains? 131 (half-life = 8.040 days) to decay to 10. How long will it take for a 40.0 gram sample of 1-131 (half-life =...
The decay of antimony-131 is first order with a half life is 23.03 minutes. How much...
The decay of antimony-131 is first order with a half life is 23.03 minutes. How much of 1.4228 g sample would remain after 1.368 hours?
lodine 131 is a radioactive form of iodine. After the crisis at a Japanese nuclear power plant in March 2011
lodine 131 is a radioactive form of iodine. After the crisis at a Japanese nuclear power plant in March 2011, elevated levels of this substance were detected thousands of miles away from Japan. Iodine. 131 has a half-life of days. What is the daily decay factor for this substance? (Round your answer to two decimal places)
10) The half-life of lodine-131 is 8 days. The initial amount is 20 milligrams. a) Find...
10) The half-life of lodine-131 is 8 days. The initial amount is 20 milligrams. a) Find a function which gives the amount of lodine-131, Act), in milligrams, t days later. Round k, the decay constant, to four decimal places. b) Determine the length of time it takes for 70% of the material to decay. Round your answer to two decimal places. Be sure to label the answer.
A patient is injected with 8.08 uCi of radioactive iodine-131 with a half-life of 8.02 days....
A patient is injected with 8.08 uCi of radioactive iodine-131 with a half-life of 8.02 days. Assuming that 90.0% of the iodine ultimately finds its way to the thyroid, what decay rate (or activity) do you expect to find in the thyroid after 23.5 days? decay rate: иСі
the radioactive decay of CO-60 is a first order process the initial weight of the atom...
the radioactive decay of CO-60 is a first order process the initial weight of the atom is 50 gram, after 260 days the remaining weight is 6.25 gram, what is the half-life if radiation atom
Be sure to answer all parts. Radioactive iodine−131 (t1/2 = 8.0 days) decays to form xenon−131...
Be sure to answer all parts. Radioactive iodine−131 (t1/2 = 8.0 days) decays to form xenon−131 by emission of a β particle. How much of each isotope is present after each time interval if 82 mg of iodine−131 was present initially: (a) 8.0 days; (b) 32 days? (a) mg of iodine−131, mg of xenon−131 (b) mg of iodine−131, mg of xenon−131
Modeling radioactive decay in pennies
MODELING RADIOACTIVE DECAY WITH PENNIES ADVANCED STUDY ASSIGNMENT MODEL 2: RADIONUCLIDE HALF-LIFE The time required for half of a sample of a radionuclides (radioactive isotopes) to decay is called the half-life (units of time). Table 2 below illustrates the half-lives of several radioisotopes and the Table 2: Half-lives of some Radioisoto barium-131 carbon-14 chromium-51 cobalt-60 iodine-131 uranium-238 Radiation Half-life 11.6 days 5730 yrs 27.8 days 5.3 yrs 8.1 days 4.47. 109 yr Application detection of...
1-2
lodine-131 is often used in nuclear medicine to obtain images of the thyroid. If you start with 4.0x10 lodine-131 atoms, how many are left after approximately 1 month? 1-131 has a half- life of 8.0 days. 2) Radium-223 decays with a half-life of 11.4 days. How long will it take for a 0.240-mol sample of radium to decay to 1.50x 10 mol?
lodine-131 is often used in nuclear medicine to obtain images of the thyroid. If you start with...
8. Fermium-253 has a half-life of 0.334 seconds. A radioactive sample is considered to be completely decayed after 10 half-lives. How much time will elapse for this sample to be considered gone? 9. 100.0 grams of an isotope with a half-life of 36.0 hours is present initially. How ma time will have elapsed when 5.00 grams remains? 131 (half-life = 8.040 days) to decay to 10. How long will it take for a 40.0 gram sample of 1-131 (half-life =...
10) The half-life of lodine-131 is 8 days. The initial amount is 20 milligrams. a) Find a function which gives the amount of lodine-131, Act), in milligrams, t days later. Round k, the decay constant, to four decimal places. b) Determine the length of time it takes for 70% of the material to decay. Round your answer to two decimal places. Be sure to label the answer.
A patient is injected with 8.08 uCi of radioactive iodine-131 with a half-life of 8.02 days. Assuming that 90.0% of the iodine ultimately finds its way to the thyroid, what decay rate (or activity) do you expect to find in the thyroid after 23.5 days? decay rate: иСі
Most questions answered within 3 hours.
-
The titanic hit an iceberg estimated to be half of her mass.
Before hitting the iceberg,...
asked 7 minutes ago -
3. The top four firms in Industry A have market shares of 30,
25, 10, and...
asked 11 minutes ago -
Are there such things as microscopic multicellular animal
parasites? If so, please give examples.
asked 45 minutes ago -
1. What two structures in the ear are involved in your
sense of balance and in...
asked 32 minutes ago -
Two ice skaters suddenly push off against one another starting
from a stationary position. The 45...
asked 33 minutes ago -
What is the Larmor frequency for a proton in a magnetic field of
B0 = 14.0...
asked 34 minutes ago -
Problem 03.019 Annual Worth Calculations
Find the value of x that makes the equivalent annual
worth...
asked 49 minutes ago -
Under common law, right of survivorship was automatically a
feature of which type of co-tenancy?
a....
asked 46 minutes ago -
At 1 bar, how much energy is required to heat 61.0 g of H2O(s)
at −12.0...
asked 1 hour ago -
Find the mixed-strategy equilibrium to the Battle of the sexes
game in Figure 5.1 below
Hockey...
asked 1 hour ago -
Use the following information to answer the next three
questions.
QUESTION 5
As of today, the...
asked 1 hour ago -
Using the specific identification method: Date Units purchased
Cost per unit Ending inventory March 1 15...
asked 1 hour ago