T1/2 = 10 hour. how much time is required in decay of 19/20 fraction??
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T1/2 = 10 hour. how much time is required in decay of 19/20 fraction??
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- β+ decay of 52Fe .write the complete decay equation for the given nuclide in the complete ZAXN notationThe radionuclide 208/81 I1 is the daughter nuclide resulting from the a decay of what 208 Tl after 81 parent nuclide? In other words, what isotope would give rise to emitting an a particle?Find the activity A of a sample containing 4E-6 g of 60/27 Co (T1/2= 5.27 years). (Use 59.93 u as the mass of 60/27 Co.) Radioactive decay constant: A)2.41E8 B)0.132 C)4.15E-9 D)7.60 Activity in curies: A)4.51E-3 Ci B)8.26E9 Ci C)1.43E8 Ci D)4.51 Ci
- 1. What is the binding energy per nucleon for ?? 1327 (Aluminum – 27)? Note: A neutral ?? 1327(Aluminum – 27) atom has a mass of 26.981539 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.0086655 u; and a proton has a mass of 1.007277 u. Also, 1 u = 931.494 MeV/c2.a. 8.3 MeVb. 6.7 MeVc. 5.4 MeVd. 3.4 MeVe. 2.8 MeVA piece of charcoal used for cooking is found at the remains of an ancient campsite. A 1.19 kg sample of carbon from the wood has an activity of 2340 decays per minute. Find the age of the charcoal. Living mate- rial has an activity of 15 decays/minute per gram of carbon present and the half-life of 14C is 5730 y. Answer in units of y. I got 7300.99 but that wasn’t right Can you please help!The ceramic glaze on a red-orange Fiestaware plate is U2O3 and contains 50.5 grams of 238U, but very little 235U. (a) What is the activity of the plate (in Ci)? Ci (b) Calculate the total energy (in J) that will be released by the 238U decay. J (c) If energy is worth 12.5 cents per kW · h, what is the monetary value (in dollars) of the energy emitted? (These plates went out of production some 30 years ago, but are still available as collectibles.) $
- The half life for the radioactive decay of Ce-141 is 32.5 days. If the sample has an activity of 4.0 úCi after 130 days have elapsed, what was the initial activity, in microcuries, of the sample?The number of radioactive atoms in a sample decay as the emission of radiation proceeds and this may be described by an exponential decay N(t) = N0exp(-t/τ) where τ is the decay time. What is the decay time τ if the half-life t1/2 = 3hrs? Select one: a. 8.15 hours b. 90 mins. c. 260 mins. d. 3 hours.β+ decay of 50Mn .write the complete decay equation for the given nuclide in the complete ZAXN notation.
- Identify the daughter nuclide, the type of decay (for natural transmutations) and the nuclear reactionHow much mass of a decaying 1kg sample with a half-life of 3hours will be left after 1 day has passed?Find the mass energy released in the alpha decay of Ac-220. atomic mass of 220 Ac = 220.014763 u; 89 atomic mass of 20Fr = 216.003198 u; 87 atomic mass of He = 4.002603 u; u = 931.5 MeV/c^2. (in MeV) OA: 1.888 OB: 2.738 OC: 3.971 OD: 5.757 OE: 8.348 OF: 12.105 OG: 17.552 OH: 25.450