Question A4 Calculate the mass (in kg) of 14C that has an activity of 1 Bq.
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Q: radioactive
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Q: Problem A You have a 3 mol pure sample of an unknown material. After 3.7 h, you discover that 20%…
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Q: Radon gas has a half-life of 3.83 days. If 3.06 g of radon gas is present at time t = 0, what mass…
A: Given value--- Half life time = 3.83 days . N0 = 3.06 g. We need to find--- what mass of radon…
Q: You are assisting in an anthropology lab over the summer by carrying out 14C dating. A graduate…
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Q: Question 10 of 22 Radium (A = 226, Z=88) decays to Radon (A = 222, Z=86) with a half-life of 1600…
A: in this question we discuss about decay of radioactive substances.
Q: Enter your result in MeV to 2 decimal places
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Q: Complete the following nuclear reaction, p+?→3216S+y. Ans: 31,P What is the Q-value? Express you…
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Q: The atomic mass of 14C is 14003242 u. Show that β- decay of 14C is energetically possible, and…
A: Solution
Q: The nucleus16 B(Z=5)has not been detected in nuclear reaction studies. Explain why. (Please type…
A: Nucleus of 16 B ( Z = 5 )
Q: Please make sure you are sufficiently precise in your answers that the BE per nucleon can be…
A: given atomic mass = 67.9248476 u A = 68
Q: Part A A sample of U (T1 = 1.59 × 10° yr) contains 6.10 x 1018 nuclei. Part B Approximately how many…
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Q: 15. When U-232 undergoes alpha decay to Th-228, a mass lost is sustained. (1) Find the mass defect…
A: The exact mass of U-232 is 232.0372 amu. The exact mass of Th-228 is 228.0287 amu.The exact mass of…
Q: on gas has a half-life of 3.83 days. If 2.92 g of radon gas is present at time t = 0, what mass of…
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Q: c) Complete the following decay reaction to show sodium-24 undergoing B decay. First identify the…
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Q: An ancient artifact is found to contain 240 g of carbon and has an activity of 479 decays/min. ▬…
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Q: unlabeled container of radioactive material has an activity of 78 decays/min. Four days later the…
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Q: A.) Natural potassium contains 40K, which has a half-life of 1.277 ✕ 109 y. What mass of 40K in a…
A: Decay Rate: The independent variable that is determined by taking the reciprocal of mean of a…
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- 0.1 mg of pure 239Pu (emitting Alpha particles) was found to decay with an activity of 1.38 x 107 d.p.m. Calculate the half-life of the radionuclide. 239Pu is formed from the beta decay of the radionuclide 239Np. how many curie (Ci) 239Np are required to produce 0.10 mg of sample 239PUThe radium isotope 226 Ra has a hall-life of 1600 years. A sample begins with 3.50x1010 226 Ra atoms. Y Part C N Submit How many are left after 400 years? 195] ΑΣΦ Submit Request Answer Part B How many are left after 2000 years? N= 1971 ΑΣΦ Submit How many are left after 35000 years? Request Answer ΜΕ ΑΣΦΑ Request Answer BAC ? ?What is the activity of a sample of C that contains 5.3x1020 nuclei? The half-life of C is 5700 years. Express your answer using two significant figures. ? ΔΝ decays/s At
- H.W 2 A tiny piece of paper (produced from formerly living plant matter) taken from the Dead Sea Scrolls has ar activity of 10.8 disintegrations per minute per gram of carbon. If the initial C-14 activity was 13.6 disintegrations/min/g of C, estimate the age of the Dead Sea Scrolls.What mass of fluorine -18. (F-18) is an activity of 10mCi? How long will it take for the activity to decrease to 0.15mCi?