Determine the half-life (in s) of a radioactive sample that contains 1.10 x 105 atoms of the radioactive nuclide and has an activity of 5.80 x 101 Bq.
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A: we know activity R =λN where λ = decay constant N = number of particle given N = 2.68 × 1015…
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A: Given Atomic number is Z=8 Mass number is A=16 Mass of the 16O nuclide is M=15.994915 u
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Q: The half-life of 131I is 8.04 days. (a) Convert the half-life to units of seconds. s (b) What is…
A: As per guidelines , only 3 subparts are solved here. The half-life of 131I is 8.04 days. (a) 1 days…
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Q: purchased by a medical supply house. If the sample has a half-life of 14 d, how long will it keep…
A: Just replace the values .... An its done
Q: Tritium has a half-life of 12.5 y against beta decay. Determine fraction of a sample which will…
A: (1) We have given Th=12.5 years Here Th= half life We know that NNo=12tTh NNo=122512.5=122=14 N=No/4…
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Q: What is the half-life of an isotope that decays to 6.25% of its original activity in 60.2 h?
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Q: B) Calculate the average nuclear binding energy of 13AL nucleus, knowing that the mass defect of…
A: Given data: The mass defect of A1328lnucleus, ∆m=0.24136 a.m.u. 1 a.m.u=1.6605×10-27 kg. 1…
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Q: A scientist is studying a 2.234 g sample of thorium-229 (t1/2 = 7340 yrs) in a laboratory. (a)…
A: The mass of the thorium is 2.234 g.The half-life time of the thorium is 7340 years.
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Q: A radioactive sample studied in a lab is found to have a half-life of 25 hours. If the initial…
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Q: A 5 g sample of a radioactive element takes 102 days to reduce into 3 g. Calculate the half-life and…
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Q: What are the number of neutrons and protons for the following nuclides: 6Li, 13C, 40K, and 102Pd?
A: L6i Mass number, A=6 Proton number=3 Neutron number=6-3=3
Q: A 10 g sample of a radioactive element takes 16.21 mins to reduce into 6 g. Calculate the half-life…
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A: The objective of this question is to find the half-life of a radioactive material given the time it…
Q: The half-life of radon-222 is 2.8 days. How many days would it take for the activity due to radon in…
A: Given that:- Half life of radon-222=2.8 days
Q: A wood artifact discovered in 1990 showed a 14C-activity equivalent to 43% of that found in the…
A: Given : Half life of C-14, t1/2 = 5730 years Let initial count of C-14 be N = 100 The count of C-14…
Q: A certain isotope has a half-life of 5.9 h and an atomic mass of 95.98 u. What will the activity in…
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Q: Iodine-131 is radioactive and has a half life of 8.04 days. Calculate the activity of a 7.4 mg…
A: Given value--- mass = 7.4 mg. half life time = 8.04 days. We have to find--- Calculate the…
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