Phosphorus-32 is a commonly used radioactive nuclide in biochemical research, particularly in studies of nucleic acids. The half-life of phosphorus-32 is 14.3 days. What mass of phosphorus-32 is left from an original sample of 175 mg of Na₃³²PO₄ after 52.4 days? Assume that the atomic mass of ³²P is 32.0.

Q: 150-water is a radioactive variation of regular water, in which some usual oxygen atoms are replaced…

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Q: Phosphorus-32 is a commonly used radioactive nuclide in biochemical research, particularly in…

A: Given ,

Q: Strontium-90 is a product of the Chernobyl reactor accident of 1986.  Strontium-90 has a half life…

A: Using half life , we will first calculate rate constant. Then calculate time required to reduce to…

Q: If a tree dies and the trunk remains undisturbed for 1.770 × 10⁴ years, what percentage of the…

A: The objective of this question is to find out the percentage of the original 14C (Carbon-14) that is…

Q: what is the na-me, 1/2, 01 12 = day:

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Q: You analyze the ratio of radioisotope carbon 14, or ¹⁴C, in these fossil bones. ¹⁴C has a half-life…

A: First calculate the radioactive constant and use that radioactive constant to calculate the age of…

Q: Cobalt-60 has a half-life of 5.27 years and is used in cancer treatment. If a patient ingests 20.0 g…

A: Since the decay reactions are first order reactions hence the relationship between the time and mass…

Q: The half-life of 129I is 1.72 x 107 years. Consider a sample that contains 2.39 x 106 atoms of this…

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Q: Phosphorus-32 is a commonly used radioactive nuclide in biochemical research, particularly in…

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Q: A radioactive element has a half-life of 1.1 hours. How many hours will it take for the number of…

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Q: 137 Cs has a half-life of 30.2 years. How many years will it take for a 100.0-g sample to decay to…

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Q: Iodine (131 I)  is used in diagnostic and therapeutic techniques in the treatment of thyroid…

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Q: Tritium, which is , has a half-life of 12.3 years. Calculate the amount of time it would take for…

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Q: rock contains 0.398 g of Pb-206 to every 1.00 g of U-238. Determine the age of this rock assuming…

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Q: The half life for the decay of carbon- 14 is ×5.73103 years.   Suppose the activity due to the…

A: The radioactive disintegration is the example of first order kinetics. The integrated rate equation…

Q: Carbon 14 decays to carbon12. The half-life of the C14 isotope is 5730 years. 3000 years after an…

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Q: Radon, one of the noble gases, is a decay product of uranium and is itself radioactive, with a…

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Q: The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The…

A: Given,Half life of phosphorus-32 = 14.3 daysInitial amount of phosphorus-32 = 33.8 mgTime taken for…

Q: Tritium H-3 has a half-life of 12.3 years. If a sample of 3 g of H-3 is produced, what will be the…

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Q: The half-life of plutonium-239 is 24,100 years. How long will it take for a 100 g sample of…

A: Given,  Half life, t1/2 = 24100 years Initial amount = 100 g Reduced amount = 25 g Formula Used…

Q: The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 x 1010 years. Suppose…

A: Radioactive decay follows 1st order reaction kinetics. So it follows the equation of 1st order…

Q: If a tree dies and the trunk remains undisturbed for 1.305 × 104 years, what percentage of the…

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Q: The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 × 10° years. Suppose…

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Q: 137 Cs has a half-life of 30.2 years. How many years will it take for a 100.0-g sample to decay to…

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Q: A nuclear power plant emits into the atmosphere a very small amount of krypton-85, a radioactive…

A: Given: Half life (t1/2) = 10.76 years  Total time (T) = 25 years

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

A: Radioactive decay is always a first order reaction. According to the first order radioactive decay…

Q: Gold-198 is used in the diagnosis of liver problems. The half-life of 198Au is 2.69 days. If you…

A: Decay reactions are 1st order reactions. Since we know that the relationship between the amount of…

Q: If a tree dies and the trunk remains undisturbed for 1.535 × 10⁴ years, what percentage of the…

A: Degradation of the  14C  is as per the first order reaction. We are having half life that can give…

Q: he​ half-life of the radioactive element unobtanium-37 is 5 seconds. If 32 grams of unobtanium-37…

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Q: A moon rock collected by a U.S. Apollo mission is estimated to be 4.20 billion years old by…

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Q: If a tree dies and the trunk remains undisturbed for 1.015 x 104 years, what percentage of the…

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Q: Iodine-131 is used in the diagnosis and treatment of thyroid disease and has a half-life of 8.0…

A: Formula: Since Iodine is a radioactive substance, it follows the 1st order rate law. The half-life…

Q: Naturally occurring uranium is composed mostly of 238U and 235U, with relative abundances of 99.28%…

A: Decay constant for 238U can be calculated as: λ=0.693t12=0.6934.5×109years-1 Decay constant for 235…

Q: Archeologists continue to debate the arrival of the first humans in the Western Hemisphere.…

A: We know that,→ Radioactivity Phenomena follow first owner kinetics.So, Rate = KA1    K→Rate…

Q: Americium-241 is widely used in smoke detectors. The radiation released by this element ionizes…

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Q: The half-life of cesium-137 is 30.2 y. How long will it take for a sample of cesium-137 to decay to…

A: Half life of caesium- 137=30.2 years a0=x a1/2=x/8

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.