13 The isotope N has a half-life of 9.96
Q: 8. Iodine 131 I is used in diagnostic and therapeutic techniques in the treatment of thyroid…
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Q: 9. Iodine 131 I is used in diagnostic and therapeutic techniques in the treatment of thyroid…
A: Given value--- half life time = 8.04 days. We have to find--- What percentage of an initial…
Q: The radioactive isotope (1Os) has a half-life of 22.1 hours. How much of 49.5 g of this isotope will…
A: If initial quantity is N0 and after t time the quantity is N then…
Q: A radioactive material initially is observed to have an activity of 1000 decays per second. If 9.0…
A: Given : A0 = 1000 decays/sec A = 100 decays/sec t = 9 hours
Q: The activity of a newly discovered radioactive isotope reduces to 96% of its original value in an…
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Q: A 30 g radioactive isotope has a half-life of 6 years. How much of the isotope will be left after 12…
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Q: 2. An isotope of sodium 24N a has a half-life of 15 hours. A sample of this isotope has a mass of…
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Q: 1. Calculate the binding energy (in MeV) per nucleon for an a-particle (He nucleus), given that the…
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Q: The probability that a randomly chosen nucleus in a radioactive sample will have decayed in a given…
A: Sample of radio active nucleus decayed = 96.875 %
Q: 09:1 g of medium is reduced by 2.1 mg in 5 years by a-decay. Calculate the half life period of…
A: Given The initial mass of radiation Ao = 1g Mass of radiation left after 5 years (A) = 2.1 mg =…
Q: The half-life of 38 Sr is 28 years. What is the disintegration rate of 15 mg of this isotope?
A: The rate of disintegration of a radioactive substance is the number of atoms present at that time.…
Q: Nt/No vs. t -0.0981'x + 0,847 1.00 0.75 0.50 0.25 0.00 2 ONIN
A: The half-life of a radioactive element is defined as the time at which the initial number of nuclei…
Q: A sample of radioactive material contains 1x 1014 atoms and has an activity of 6.3 x 1011 Bq. What…
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Q: The half-life of Sr is 28 years. What is the 90 38 disintegration rate of 15 mg of this isotope?
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Q: The half-life disintegration 90 of 38 Sr is 28 years. What rate of 15 mg of this
A: Here, we calculate the disintegration rate of this isotope as given follow;
Q: 11. The half-life of Uranium-237 is 5.83 x 105 seconds. What is the decay constant?
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Q: The radioactive isotope 209 Po has a half-life of 103 years. How long would it take 84 for only 4.00…
A: Given: The half-life time is 103 years. The remaining sample is 4 g. The total amount of the sample…
Q: he isotope neptunium-229 ( 229 93Np) undergoes alpha (4 2He) decay. Write the reaction equation and…
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Q: One half-life of an isotope is 22 years. How many years would it take to have only 25% of the…
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Q: Use the following half-life graph to answer the question: What is the mass of the radioactive…
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Q: The half-life disintegration 90 Sr is 28 years. What is the of 38 rate of 15 mg of this isotope?
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Q: An isotope of iodine 1311, which has an eight-day half-life, is used in nuclear medicine. A sample…
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Q: One of the isotopes of chlorine has a binding energy of 298 MeV. Use this information to determine…
A: Binding energy of the chlorine isotope is ∆EB=298 MeV Difference in Mass of the nucleus to that of…
Q: 131 8. Iodine I is used in diagnostic and therapeutic techniques in the treatment of thyroid…
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Q: 5. A radioactive material has a half-life of eight days. How long will it take the material to be…
A: Let initial number of nuclei in the radioactive material be No and it is given that half life of the…
Q: adioactive substance has a half life of 30 minutes. How much of a sample of this substance will not…
A: Given, No = 100%= 1 T= 30min t= 2.5 hours = 150 min We know that, N= No (1/2)t/T
Q: A sample of radioisotope has a decay constant of 9.976x10s1 and prepared with an initial activity of…
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Q: Tritium, or hydrogen-3, is formed in the upper atmosphere by cosmic rays, similar to the formation…
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Q: What is the the total binding energy of o 28NI. It isotope mass is 59.930786 u. The mass 60 of a…
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Q: The isotope cesium (Cs)-137 has a half-life of 30 years. How long will it take for this isotope to…
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Q: Gallium-67, used in the medical diagnostics of certain types of tumors, has a nuclear half-life of…
A: Given: Nuclear radioactive half life = tr = 78.25 hours Biological half life = tb = 11.6 days…
Q: The radioactive isotope 3° Ra has a half life of 1599 years. After 1000 years there is 3.5 grams of…
A: Radioactive Decay Law The rate of decrease in the number of radioactive nuclei is directly…
Q: Radon-220 has a half-life of 55.6 seconds. What are the odds that any particular Radon-220 atom will…
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Q: Platinum-175 decays through alpha decay and forms osmium-171. Estimate the kinetic energy of the…
A: Alpha decay is one of the three main forms of radioactive decay. In alpha decay, the unstable…
Q: The nucleus O has a half-life of 122.2 s; 0 has a half-life of 26.9 s. Assume, that at some time a…
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Q: 8. The half-life for a radioactive isotope is 4.00 × 10⁹ yr. Determine the age (in years) of a rock…
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Q: A radioactive material produces 4.386E+3 decays per minute at one time, and 7.57 h later produces…
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Q: he isotope C has a half-life of 20.4 min. Determine the time interval (in min) required for the…
A: Given that The half life (t1/2) = 20.4min Activity of a sample of…
Q: A theoretical isotope X-100 has an initial mass of 500g. This isotope has a half-life of 8 hours.…
A: given data initial mass = 500 g half-life is 8 hours determine the mass that will remain after 2…
Q: .70 d. Determine the mass of this ooff
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Q: The half-life of radium-226 is 1.6 x 10 years. How long will it take for 20.0 mg of radium-226 to…
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Q: 1. The current passing through a resistor in a circuit is 0.37 A when the voltage across the same…
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Q: A sealed box was found and contained an alloy composed of equal parts by same weight of two metals A…
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Q: A radioactive sample has a decay of 0.2193/min. a) What is the half-life? b) If at the start of an…
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Q: After 85 years, 80 % of a radioactive material decays. What is the half-life?
A: Given, Time,t=85yrs=85×3.154×107sPercentage of the material decay= 80% We have the expression for…
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