If 2.4 x 1010% of the atoms of a radioactive isotope disintegrate in 1.0 yr, what is the decay constant of the process? Enter your answer in scientific notation. x 10

Q: A radioactive isotope has a half life of 98.9 minutes. How long will it take for the radiation from…

A: Given , Half life = 98.9 minutes Initial concentration = 325 pCi Time ,t = ?

Q: In addition to C-14, K-40 is often used for archeological dating. K-40 decays to Ar- 40 by positron…

A: The rate of radioactive decay has been proven to be of first order kinetics. Using the understanding…

Q: (21) Fluorine-18 is a radioactive isotope commonly used in medicine. It has a half-life of 110…

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Q: Be sure to answer all parts. The radioactive decay of thallium-206 to lead-206 has a half-life of…

A: Here we have to calculate number of atom left after 42 minutes-

Q: A sample of TI-201 has an initial decay rate of 5.88 x 10*/s. How long will it take for the decay…

A: Given:  Initial Rate= 5.88×104/s Rate to fall = 287/s Half life= 3.042 days

Q: The isotope 208Tl undergoes β decay with a half-life of 3.1 min.  What isotope is produced by the…

A: Nuclear reaction: A nuclear reaction must cause a transformation of at least one nuclide to another.…

Q: [Refere A 1.14 g sample of a radioactive isotope decays to 0.87 g in 36.3 hr. What is the half-life…

A: Given  Initial Amount [ A ]0   = 1.15 gram  Remaining Amount [ A ]    = 0.87 gram  Time ( t ) = 36.3…

Q: What is the half-life (t1/2) of a radioisotope if 1000 grams of the sample decays to 125 grams in…

A: The nuclear half-life is amount of time it takes for half of sample to decay radioactively.…

Q: Suppose you had a detection device that could count every decay event from a radioactive sample of…

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Q: A sample of rock was found to contain 8.23 mg of rubidium-87 and 0.47 mg of strontium-87.(a)…

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Q: If 2.8x10-10% of the atoms of a radioactive isotope disintegrate in 1.0 yr, what is the decay…

A: As the radioactive decay is first order reaction, the expression is given as, Here,  N0 indicates…

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

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Q: 31. Uranlum 235 decays to Lead 207 with a half-life of 0.7 billion years. What Is age of a rock…

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Q: A piece of a spear handle is found in an archaeological dig in Central America. It contains 12.5% as…

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Q: Enter your answer in the provided box. A rock sample originally contains 3.32 mg of 43°U. How much…

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Q: 1. What is the half-life of a radioactive isotope if a 500.0g sample decays to 62.5g in 24.3 hours

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

A: Given-> Half life(t1/2) = 4.7 × 1010 year Initial amount = 108.2 + 4.7 = 112.9 microgram Final…

Q: For a radioactive isotope with t1/2 %D 38.7 hr, how many hours will it take for a 3.27 mCi sample to…

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Q: What is the missing particle in the nuclear decay 18081Tl → 17679Au + ___

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Q: Part 1.1. If a radioactive element has a half-life of 2.5 million years, the amount of parent…

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Q: The radioactive nuclide 235 U decays with at1/2 of 703.8 million years. Calculations reveal that…

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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…

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

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Q: Tritium, of hydrogen-3, is prepared by bombarding lithium-6 with neutrons. A 0.250-mg sample of…

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Q: 1.50 moles of a radio nuclide emits 3.09 x 1010 beta particles per second. assumed that each beta…

A: Here 1.5 moles of radio active nuclide emits 3.09×10^10 beta particles per second. We have to…

Q: The common isotope of uranium, 238 U, has a half-life of 4.47 x 109 years, decaying to 234 Th by…

A: All radioactive decay processes follow first order reactions. Calculating rate constant for first…

Q: NUCLEAR REACTIONS Nickel-56 decays with a half-life of 6.075 days. 1. Write the balanced nuclear…

A:

Q: A chemist wishing to do an experiment requiring 4" Cat (half-life = 4.5 days) needs 9.0 µg of the…

A: Given :                          Half life = 4.5 dayes  Current quantity ( N) = 9.0μg…

Q: Plutonium-236 is an alpha emitter with a half-life of 2.86 years. How long will it take for the 1.20…

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Q: If 2.7 * 10−10% of the atoms of a radioactive isotope disintegrate in 1.0 yr, what is the decay…

A: The radioactive decay follows first-order kinetics. For the first-order kinetic the rate constant is…

Q: 21.2) Calculate the time required for 62.40 % of a sample of 243X (t1/2 = 290.4 h) to decay. Use…

A: The radioactive decay process follows the first order kinetics.  Given: Percent of sample decayed =…

Q: If one-trillionth of the atoms of a radioactive isotope disin-tegrate each day, what is the decay…

A: One trillionth of radioactive isotope decay takes place in a day. I trillion = 1.0 x 1012  The…

Q: If 2.8X10⁻¹⁰ % of the atoms of a radioactive isotope disin-tegrate in 1.0 yr, what is the decay…

A: Radioactive decay at a distinctive rate, irrespective of the chemical substance within which they…

Q: The radioactive isotope Ga decays by electron capture. If the mass of a sample of gallium-67 decays…

A: According to the integrated rate law for the first-order reaction, the concentration of reactant is…

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

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Q: 10. The carbon-14 decay rate of a sample obtained from a young tree is 0.260 disintegration per…

A: Given information:Decay rate of young sample = 0.260 disintegration per secondDecay rate of another…

Q: A radioactive isotope has a half life of 83.3 minutes. How long will it take for the radiation from…

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Q: An 80-mg sample of technetium-99m is used for a diagnostic test. If Tc-99m has a half-life of 6.0…

A: Given  Initial Amount of Sample (A)0 = 80 mg  Half life ( t1/2 )  = 6 hour Time ( t )   = 24 hour…

Q: Phosphorus-30, which has a half-life of 150 seconds, decays by positron emission. How long will it…

A: Nuclear reactions or nuclear decay follows first order kinetics. Given: Half life t1/2 = 150.…

Q: Uranium-235 is commonly used in nuclear power plants and has a half-life of about 704 million years…

A: Given -> Half life = 704 million years = 2.22 × 1016 seconds.

Q: What is the half‑life of an isotope that decays to 3.125%3.125% of its original activity in 41.8 h?

A: All radioactive decay follows first order kinetics. The half-life t1/2 of the radioactive decay is…

Q: lement X decays radioactively with a half life of 8 minutes. If there are 530 grams of lement X, how…

A: Given: The half life of the sample, (t1/2)=8 minutes. The initial amount of sample, (N0)=530 grams.…

Q: A radioactive isotope has a half-life of 84.5 minutes. How long will it take for the radiation from…

A: Half life t1/2 = 84.5 min = 5070 s

Q: 16. Are the following decays possible? If not, why not? a. 2Th → U + a h Pu → U + a c. P→S + e 232…

A: Starting with the first reaction,  Using the conservation of Z and A numbers we have            232…

Q: 32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 91.3 g of ²P, how…

A: The answer to the following question is- half life = 14.3 days ,

Q: You are working as a technician in the radiology department of a large hospital. One of the…

A: The relation between activity, total time and half-life is shown below:

Q: A moon rock collected by a U.S. Apollo mission is estimated to be 4.10 billion years old by…

A: Concept:  Radioactive decay: It is the process by which an unstable atomic nucleus loses energy by…

Q: The half-life of a particular radioactive isotope X is 10.0 days. (1) Determine its decay constant.…

A: half life = 10.0 days.