Yttrium-87 has a rate constant of 2.6x10^-6 s^-1. What is the activity of a 780-mg sample in Bq?
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A: Half life of cesium, t1/2=30 years The mass of sample, Ao= 1 kg The reduced mass of sample, A=1 g…
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A: Given data: The sample amount of cobalt is m=0.5 mg=0.5×10-3 g The atomic mass of cobalt is A= 56 g…
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A: Given, Half life, T1/2=48hours=2 days
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A: Given, Half-life of Tc-99m is t12=6 hr. Initial activity, A∘=2 mCi/ml. Time of activity, T=12…
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A: When the number of protons and neutrons inside a nucleus is not balanced some nuclei will become…
Q: Find the activity of a sample containing 1.63 10-6 g of (60/27)Co (T1/2 = 5.27 years).
A: As we know that the number 1 mole of mass of C2760o = 60gm…
Q: Find the activity of a sample containing 4.72 x 10-6 g of 60/27Co (T1/2 = 5.27 years)
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Q: Find the activity A of a sample containing 4E-6 g of 2760Co (T1/2 = 5.27 years). (Use 59.93 u as the…
A: Given: Weight, W =4.0×10-6 g Mass number, A = 59.93 u Avogadro number, NA = 6.022×1023 atoms/mol…
Q: Use the worked example above to help you solve this problem. The half-life of the radioactive…
A: Given data:T1/2=1.6×103 yrN0=3.41×1016 nucleiFirstly, converting half life into…
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A: Given:-Original activity (Ao)=1.1*104 Bq.Time (t) = 1.8 hoursHalf life = 6.05 hFind Activity…
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A: Given, Number of iodine-131 nuclei (N) = 4.84 1014 T1/2 = 8.0 days
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A: The formula of activity is,
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Q: A sealed box containing alloys of metal A and Metal B consisting of the same parts accordingly.…
A: half life of A = 12 years half life of B = 18 years mass of A = 0.53 kg mass of B = 2.20 kg A =…
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Q: The half-life of iodine-131 is 8 days. How long does it take for the initial activity of 4500 kBq /…
A: half life of iodine 131 = 8 days Initial activity (Ao) = 4500 kBqm3Final activity (A) = 65 kBqm3
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A: Why 231-Th-90 is likely to be a beta minus emitter.
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Q: The radionuclide 32P (T1/2 = 14.28 d) is often used as a tracer to follow the course of biochemical…
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Q: building has become accidentally contaminated with radioactivity. The longest-lived material in the…
A: Answer is 1685.2 years
Q: Find the activity of a sample containing 4.84 1014 iodine-131 nuclei (T1/2 = 8.0 days).
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Q: You find a 37.2 g fossilized bone that has an activity of 0.024 counts per second. How old is the…
A: A living matter has 1.3×10-10 % of C-14, and the half-life of C-14 is 5730 years. Thus, determine…
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