One of the nuclides in spent nuclear fuel is U-235, an alpha emitter with a half-life...
One of the nuclides in spent nuclear fuel is U-235, an alpha emitter with a half-life of 703 million years. How long would it take for the amount of U-235 to reach 1/4 of its initial amount?
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One of the nuclides in spent nuclear fuel is U-235, an alpha
emitter with a half-life...
One of the nuclides in spent nuclear fuel is U-235 , an alpha emitter with a...
One of the nuclides in spent nuclear fuel is U-235 , an alpha emitter with a half-life of 703 million years.How long will take for the amount of U-235 to reach 49.0% of its initial amount?
2. One of the nuclides in spent nuclear fuel is U-234, an alpha emitter with a...
2. One of the nuclides in spent nuclear fuel is U-234, an alpha emitter with a half-life of 2.44 x 10 years. How much of a 10 g sample of U-234 will remain after 1.22 x 10 years?
please help me with answers thanks Experiment 14 - Nuclear Chemistry iven 0.050 mg of technetium-99m,...
please help me with answers thanks
Experiment 14 - Nuclear Chemistry iven 0.050 mg of technetium-99m, a radioactive isotope with a half. 5. A patient is given 0.050 mg of technetium-99m, a radioactive life of about 6.0 hours. How much technetium will remain after 24 hours hours? after 24 hours? After 48 6. A patient receives a 58-mg dose of 1-131 to obtain an image of her thyroid. If the nuclide has a half-life of 8 days, how long will...
Chapter 17 Adaptive Follow-Up Exercise 17.73 - Enhanced - with Feedback Review Constan's One of the...
Chapter 17 Adaptive Follow-Up Exercise 17.73 - Enhanced - with Feedback Review Constan's One of the nuclides in spent nuclear fuel is U-234, an alpha emitter with a half of 3.44x10 years Part A Ya spent fuel assembly contains 2.80 kg of U-234, how long wil it take for the amount of U-234 to decay to less than 22x10-27 Express your answer using two significant figures ? 475 Submit Previous Answers Request A * Incorrect; Try Again attempts remaining Provide...
Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of...
Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of 432 years. How long will it take in years for 44.0 % of an Am-241 sample to decay?
6) Pu-239 is produced in the nuclear fuel cycle in nuclear power plants. The half-life of...
6) Pu-239 is produced in the nuclear fuel cycle in nuclear power plants. The half-life of Pu- 239 is 24,000 years. If 500.0mg of Pu-239 are generated this year, how much will remain this month in the year 2683? (2 points) a. b. How much of the original 500.0 mg of Pu-239 will be left after 6 half-lives? (2 points) 7) Polonium-210 has a half-life of 140 days. How long will it take for a sample of 385g of Polonium-210...
Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of...
Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of 432 years. How long will it take in years for 32.0 % of an Am-241 sample to decay? Express your answer numerically in years.
half life U-235 is 7.04x10^8 years half life U-238 is 4.468 x10^9 years 3. One may assume that when U-238 was formed...
half life U-235 is 7.04x10^8 years
half life U-238 is 4.468 x10^9 years
3. One may assume that when U-238 was formed at the genesis of Earth, an equal amount of 235U was formed. Today the amount of 238U is 138 times the amount of 235U. How long a time ago did the genesis occur according to this assumption?
8. A fresh spent nuclear fuel was removed from a reactor core and placed into a...
8. A fresh spent nuclear fuel was removed from a reactor core and placed into a spent fuel pool. One of the activation products in the nuclear fuel was Cobalt (Co-60). After 8 year of storage in the pools, the activity of the Co-60 was reduce to 0.5x105 Ci. Please determines: i)The initial activity of the Co-60 at the day when the spent nuclear fuel was stored in the pool. [Given that half-life, t1/2 of the Co-60 is 5.26 yr]...
Polonium-208 is an alpha emitter with a half-life of 2.90 years. How many milligrams of polonium...
Polonium-208 is an alpha emitter with a half-life of 2.90 years. How many milligrams of polonium from an original sample of 5.00 mg will remain after 8.00 years?
2. One of the nuclides in spent nuclear fuel is U-234, an alpha emitter with a half-life of 2.44 x 10 years. How much of a 10 g sample of U-234 will remain after 1.22 x 10 years?
please help me with answers thanks
Experiment 14 - Nuclear Chemistry iven 0.050 mg of technetium-99m, a radioactive isotope with a half. 5. A patient is given 0.050 mg of technetium-99m, a radioactive life of about 6.0 hours. How much technetium will remain after 24 hours hours? after 24 hours? After 48 6. A patient receives a 58-mg dose of 1-131 to obtain an image of her thyroid. If the nuclide has a half-life of 8 days, how long will...
Chapter 17 Adaptive Follow-Up Exercise 17.73 - Enhanced - with Feedback Review Constan's One of the nuclides in spent nuclear fuel is U-234, an alpha emitter with a half of 3.44x10 years Part A Ya spent fuel assembly contains 2.80 kg of U-234, how long wil it take for the amount of U-234 to decay to less than 22x10-27 Express your answer using two significant figures ? 475 Submit Previous Answers Request A * Incorrect; Try Again attempts remaining Provide...
6) Pu-239 is produced in the nuclear fuel cycle in nuclear power plants. The half-life of Pu- 239 is 24,000 years. If 500.0mg of Pu-239 are generated this year, how much will remain this month in the year 2683? (2 points) a. b. How much of the original 500.0 mg of Pu-239 will be left after 6 half-lives? (2 points) 7) Polonium-210 has a half-life of 140 days. How long will it take for a sample of 385g of Polonium-210...
half life U-235 is 7.04x10^8 years
half life U-238 is 4.468 x10^9 years
3. One may assume that when U-238 was formed at the genesis of Earth, an equal amount of 235U was formed. Today the amount of 238U is 138 times the amount of 235U. How long a time ago did the genesis occur according to this assumption?
8. A fresh spent nuclear fuel was removed from a reactor core and placed into a spent fuel pool. One of the activation products in the nuclear fuel was Cobalt (Co-60). After 8 year of storage in the pools, the activity of the Co-60 was reduce to 0.5x105 Ci. Please determines: i)The initial activity of the Co-60 at the day when the spent nuclear fuel was stored in the pool. [Given that half-life, t1/2 of the Co-60 is 5.26 yr]...
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