If you start with a 30 g sample of I-131, how many grams of I-131 would...
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If you start with a 30 g sample of I-131, how many grams of I-131 would there be after 16 days? The half-life of I-131 is 8.02 days.
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Th-232 undergoes decay by emitting the following particles: alpha, beta, beta, alpha, alpha, alpha, alpha, beta, beta, alpha. What is the resulting isotope? Write out the entire decay series.
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If you start with a 30 g sample of I-131, how many grams
of I-131 would...
ii. Iodine-131 is a beta-emitting isotope used for treating thyroid cancer. Figure 2 shows a plot...
ii. Iodine-131 is a beta-emitting isotope used for treating thyroid cancer. Figure 2 shows a plot of the radioactive decay of l-131. Use Figure 2 to work out the half-life of I-131 by considering two consecutive half-lives for the isotope. Show your calculations. (3 marks) 250 000 200 000 150 000 number of I-131 nuclei 100 000 50 000 0 0 5 10 20 25 30 35 15 time/days Figure 2 A graph of the radioactive decay of l-131.
6. The isotope plutonium- 239 undergoes alpha decay. Write the reaction equation and determine the identity of the daughter nucleus.
6. The isotope plutonium- 239 undergoes alpha decay. Write the reaction equation and determine the identity of the daughter nucleus.7. The isotope silver- 107^{*} undergoes gamma decay. Write the reaction equation, and determine the identity of the daughter nucleus.14. Iodine-131, a beta emitter, has a half-life of 8 days. A 2-gram sample of initially pure iodine-131 is stored for 32 days. How much iodine-131 remains in the sample afterward?15. An accident in a laboratory results in a room being contaminated...
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...
Calculating Absolute Ages: Daughter Isotope Lead-210O Polonium-218 Xenon-131 Yttrium-90 Nitrogen-14 Uranium-235 Thorium-231 Thorium-234 Half Life [approximate]...
Calculating Absolute Ages:
Daughter Isotope Lead-210O Polonium-218 Xenon-131 Yttrium-90 Nitrogen-14 Uranium-235 Thorium-231 Thorium-234 Half Life [approximate] 0.00016 seconds 4.0 days Type of Decay Parent Isotope Polonium-214 Radon-222 lodine-131 Strontium-90 Carbon-14 Plutonium-239 Uranium-235 Uranium-238 Alpha Beta Beta Beta 8.0 da 30.0 years 5,730 years 24,000 years 704,000,000 years 4,500,000,000 years Alpha Alpha A meteorite from Mars is found on the surface of a glacier in Antarctica. You take it back to the lab and measure 96.875 grams of Thorium-231 for every...
TO A so-mg sample of iodine 131 was placed in a container 32.4 days ago. If...
TO A so-mg sample of iodine 131 was placed in a container 32.4 days ago. If its half-life is .I days, how many milligrams of iodine-131 are now present? A) 47.3 mg B) 3.1 mg C) 3.24 mg D) 0.8 mg E) 6.2 mg 11. What nuclear process involves heavy nuclei splitting into lighter nuck A) gamma decay B) beta decay C) breeding D) fission E) fusion 12. Ame ricium-241 is a radioactive isotope used in smoke detectors. If the...
just give me the answer i dont need an explanation When the nuclide radium-226 undergoes alpha...
just give me the answer i dont need an explanation
When the nuclide radium-226 undergoes alpha decay: The name of the product nuclide is The symbol for the product nuclide is Submit Answer Retry Entire Group 6 more group attempts remaining Fill in the nuclide symbol for the missing particle in the following nuclear equation He + BOTH Write a balanced nuclear equation for the following: The nuclide bismuth-214 undergoes alpha emission. (Use the lowest possible coefficients.) When the nuclide...
If I have a sample of I(131) with a half life of 8.04 days and an...
If I have a sample of I(131) with a half life of 8.04 days and an initial activity of 0.5 micro-curies. How many nuclei of I(131) are contained in this sample?
Suppose you start with a sample with 2.900×108 nuclei of a particular isotope. This isotope has...
Suppose you start with a sample with 2.900×108 nuclei of a particular isotope. This isotope has a half-life of 374 s. a) What is the decay constant for this particular isotope? b) How many nuclei remain after 797 s? c) What is the activity of the sample at the beginning of the experiment?
The half-life of a radioactive isotope is 220 d. How many days would it take for...
The half-life of a radioactive isotope is 220 d. How many days would it take for the decay rate of a sample of this isotope to fall to 0.47 of its initial rate?
Iodine-131 is often used in nuclear medicine to obtain images of the thyroid. If you start...
Iodine-131 is often used in nuclear medicine to obtain images of the thyroid. If you start with 5.0×10*10 I-131 atoms, how many are left after approximately 1 month? I-131 has a half-life of 8.0 days.
ii. Iodine-131 is a beta-emitting isotope used for treating thyroid cancer. Figure 2 shows a plot of the radioactive decay of l-131. Use Figure 2 to work out the half-life of I-131 by considering two consecutive half-lives for the isotope. Show your calculations. (3 marks) 250 000 200 000 150 000 number of I-131 nuclei 100 000 50 000 0 0 5 10 20 25 30 35 15 time/days Figure 2 A graph of the radioactive decay of l-131.
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...
Calculating Absolute Ages:
Daughter Isotope Lead-210O Polonium-218 Xenon-131 Yttrium-90 Nitrogen-14 Uranium-235 Thorium-231 Thorium-234 Half Life [approximate] 0.00016 seconds 4.0 days Type of Decay Parent Isotope Polonium-214 Radon-222 lodine-131 Strontium-90 Carbon-14 Plutonium-239 Uranium-235 Uranium-238 Alpha Beta Beta Beta 8.0 da 30.0 years 5,730 years 24,000 years 704,000,000 years 4,500,000,000 years Alpha Alpha A meteorite from Mars is found on the surface of a glacier in Antarctica. You take it back to the lab and measure 96.875 grams of Thorium-231 for every...
TO A so-mg sample of iodine 131 was placed in a container 32.4 days ago. If its half-life is .I days, how many milligrams of iodine-131 are now present? A) 47.3 mg B) 3.1 mg C) 3.24 mg D) 0.8 mg E) 6.2 mg 11. What nuclear process involves heavy nuclei splitting into lighter nuck A) gamma decay B) beta decay C) breeding D) fission E) fusion 12. Ame ricium-241 is a radioactive isotope used in smoke detectors. If the...
just give me the answer i dont need an explanation
When the nuclide radium-226 undergoes alpha decay: The name of the product nuclide is The symbol for the product nuclide is Submit Answer Retry Entire Group 6 more group attempts remaining Fill in the nuclide symbol for the missing particle in the following nuclear equation He + BOTH Write a balanced nuclear equation for the following: The nuclide bismuth-214 undergoes alpha emission. (Use the lowest possible coefficients.) When the nuclide...
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