Plutonium oxide, used to power the Cassini space-probe to Saturn, was stored in corrosion resistant materials designed to contain fuel for 10 half-lives, or 870 years. (a) Calculate the half-life of Pu-238 from the supplied data. (b) The Cassini batteries contained 33 kg of Pu-238 in the form of plutonium dioxide. How many grams of Pu-238 will remain after 870 years?

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Q: In a treatment that decreases pain and reduces inflammation of the lining of the knee joint, a…

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A: Time required for the activity of a sample of iodine-131 to fall to 5.57 percent of its original…

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Q: Predict the mode of decay of (a) plutonium-239, (b) indium-12o?

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Q: What other isotope besides tellurium-137 is produced by nuclear fission of uranium-235?

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Q: If a mineral contains 1.56 % of its parent isotope, how many half-lives have gone?

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Q: Cesium-137 is part of the nuclear waste produced by uranium-235 fission. The half-life of cesium-137…

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Q: Iodine-131 is administered orally in the form of Nal(aq) as a treatment for thyroid cancer. The…

A: Answer: Suppose initial quantity of Iodine-131 is N0  Then remaining after time t will be…

Q: Plutonium oxide, used to power the Cassini space-probe to Saturn, was stored in corrosion resistant…

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Q: The half-life for the process 238U ¡ 206Pb is 4.5 * 109 yr. A mineral sample contains 75.0 mg of…

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Q: Cesium-137 is part of the nuclear waste produced by uranium-235 fission. The half-life of cesium-137…

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

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Q: The half-life of Palladium-100 is 4 days. After 24 days a sample of Palladium-100 has been reduced…

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Q: What is the half-life of an isotope that decays to 3.125% of its original activity in 63.6 h?…

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Q: The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced…

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Q: If a tree dies and the trunk remains undisturbed for 1.195 × 10⁴ years, what percentage of the…

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Q: (c ) Iodine-131 has a half-life of 8 days. How many grams of I-131 in a 4.0 g sample remain after…

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Q: What is the half-life of thallium-209 if 4.20 minutes are required for the activity of a sample of…

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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.