Platinum has a naturally occurring radioisotope, Platinum – 190, with a half – life of 6.50 x 10" years. It also has several synthetic radioisotopes with varying half – lives. For example, Platinum – 193 has a half – life of 50 years, Platinum – 188 has a half – life of 10.2 days, Platinum – 200 has a half – life of 12.5 hours, and Platinum - 179 has a half - life of 21.2 seconds. a. What are the decay constants of the given platinum isotopes?

Q: A laboratory investigation shows that a sample of uranium ore contains 10.88 mg of 238U 92 206…

A: Radioactive decay is the process where the unstable nuclei get converted into stable daughter nuclei…

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Q: While harder to access, another radioactive isotope of technetium, Tc-93, has a half-life of 2.73…

A: Solution Tc ninety nine m is wide used for diagnostic and therapeutic functions. It emits gamma…

Q: The naturally occurring isotope rubidium-87 decays by beta emission to strontium-87. This decay is…

A: Amount of rubidium = 123.0  μg  Amount of strontium = 5.5 μg Half life time of rubidium = 4.8 × 1010…

Q: Some Radioactive Isotopes Useful in Medical Imaging Mode of Isotope Decay Half-life Use in Medical…

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Q: How many days will it take for a radioactive isotope with a half-life t1/2 = 134 days to decay to…

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Q: Potassium ion is present in foods and is an essential nutrient in the human body. One of the…

A: Solution -

Q: A rock is found to have 12.75 mg of 238U and 1.19 mg of 206 Pb. Determine the age of the rock. The…

A: Age of rockT = (2.303 / ) *log (No/N) Where   = 0.693/t1/2Where,No is the initial quantity of 238U…

Q: Bi-191 has a half-life of only about 12 seconds. A large radioactive sample contains only 6.2 x 109…

A: Half life of Bi-191 = 12 sNumber of atoms of Bi-191 = 6.2 x 109 atomsNumber of moles of Bi-191 = ?…

Q: Rb-82 and In-111 are both neutron-deficient radionuclides. a) Calculate the transition energy for…

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Q: None

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Q: CHEMWORK Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 x 1010 years.…

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Q: nuclear reactions

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Q: Hospitals use radioactive tracers in many medical tests. After the tracer is used, it must be stored…

A: Given, The proportion of radioactivity remaining after t days is e−0.087t.

Q: e uranium decay series from U-238 to stable lead (Pb-206) is: U → 234Th → 234Pa → 234U → 230 Th →…

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Q: that the number of nuclides in i: age of the rock.

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Q: (Q111) In the next step of the neptunium-237 decay series, very unstable francium-221 is produced.…

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Q: The half-life of Ga-67 is about three days. If only 12.5% of the original sample remains, the time…

A: The time at which reactant's amount is left half of the original amount is known as half-life. The…

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Q: Part 1 The half-lives of 235U and 23$U are 7.04 x 10° years and 4.47 x 10° years, respectively, and…

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Q: Supply the missing particles of the following nuclear reactions. 239 94Ри > 235 Co 60 2Ni+ ? 60 28

A: To solve this problem we have to consider the mass number and atomic number of given partical .

Q: What is needed to balance the nuclear fission reaction below?  n+U→Te+ ? +2n

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Q: 14C decays to 12C with a half-life of about 5,700 years. Suppose you find a fossil in which the…

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Q: A radioactive substance has a half life of 120 years. If you have a 545 g sample of the substance,…

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Q: Which nuclide(s) would you predict to be stable? 7934Se      6128Ni        8040Zr

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Q: Radiation seed therapy is a common method for treating some prostate cancers and brain tumors.…

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Q: Consider the I-131 nucleus that is used to treat thyroid. Mass of I-131 is 130.78302 amu. 1) If the…

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Q: Radon-222 has a half-life of 4 days. How long does it take 234 mg of radoon-222 to reach 14.6 g? 4…

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Q: A 1.00 L sample of water near a nuclear plant registered a 2.55 pCi of iodine–131. What is the…

A: The given data contains, half life =8 days. =8 days×24 hourday×60 minhour×60 shour =681200 s mass of…

Q: Indium-111 has an effective half-life of 2.5 days. If 15.0 mCi dose is given, how much ¹¹¹|n will be…

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Q: Rubidium-87 decays by β production to strontium-87 with a half life of 4.7 × 1010 years. What is the…

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Q: A geologist finds an old rock and wants to determine its age using rubidium-strontium dating. This…

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A: This problem is based on radioactivity. Since all the radioactive reactions generally follows first…

Q: Iodine-125 has a half-life of 60.4 days and is used in radiation therapy to treat prostate cancer…

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Q: Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 × 1010 years. What is the…

A:

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.