44 Activity of 1 gm of radium (226) is 1Ci. What is its half life ? (1) 1600 year (3) 540 year (2) 1087 year (4) 5770 year
Q: Randon gas has an atomic number 86 and mass number 222. Randon is radioactive and decays via…
A: Alpha decay is a nuclear decay process where an unstable nucleus changes to another element by…
Q: Radon, 222Rn , has a decay constant of λ = 2.1 x 10-6 s-1. What is its half-life? Select one: a.…
A: The Relationship between decay constant and half life of an radio-active isotpe is given by…
Q: radioactive
A:
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: 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…
A:
Q: 88 A radium source contains 50 mg of 228Ra in equilibrium with all its progeny. Assuming T₁/2 is…
A: Since we answer up to three subparts, we will answer the first three. Please resubmit the question…
Q: 40. Balance the following equation: 239- Th 90 239 U 239 94 2381 94 Pu 239 93
A: Given data: N93239p → .....+ e-10 Required: Balance the equation
Q: 1. Calculate the average binding energy per nucleon for Cobalt, Co (atomic mass= MeV 58.933198 u).
A:
Q: a) Write a balanced nuclear reaction for the alpha decay of 222Rn. b) The half-life of 222Rn is…
A:
Q: complete the table and calculate the mass defect and binding energy for K39 c)explain the…
A:
Q: 10. What is the binding energy per nucleon of "Hg that has an atomic mass of 201.970 617 u? Note:…
A: The mass defect, Δm, of the nucleus is given by the difference between its actual mass and the sum…
Q: 3. Decay of a radioactive material takes place according to the data given in Table 2. Find the…
A:
Q: 3065Zn decays via ββ+ and EC (electron capture). Estimate the half-life of the fully ionized Zinc…
A: Zn-65 disintegrates by an electron capture to the 115keV excited level and by electron capture and…
Q: 1) how many grams of material remain when you start with 16g and the half-life number is 3 ?
A: Half Life number = t/T = 3 ( where T = half life and t = time of observation ) Initial mass of…
Q: What is the energy (in MeV) released in the alpha decay of 21 Pa? Express your answer using three…
A:
Q: A nucleus undergoes a transmutation by alpha decay. The daughter nuclide is 2 a) Determine the…
A: a) Given, the daughter nuclide is 222Rn86 . In alpha decay the mass number decreases by 4 and the…
Q: 9. Calculate the binding energy per nucleon (in units of MeV) for Be, for which the atomic mass is…
A:
Q: with A4> Ap. Will the two samples ever 4 have (simultaneously) the same decay rate? 12 Figure 42-18…
A: Beta decay results in a nucleus with an increased atomic number. Thus, the ‘d’ arrow (where only Z…
Q: Given the mass of a radioactive material, phosphorus 32P is 0.60 g and its half-life, T1/2 is 14.3…
A:
Q: A certain element decays with λ = 0.0108 hr -1 being its decay constant, then: a) What is half-life…
A:
Q: Cadmium-101 is unstable and decays according to the reaction 101Cd→ life of 1.4 minutes. Starting…
A: Given Cadmium-101 is unstable and decays according to the reaction 101Cd → 101 Ag + et + ve with a…
Q: A particular rock is thought to be 250 million years old. If it contains 4.51 mg of 238U, how much…
A: Radioactivity is a process in which unstable heavy nuclei convert into more stable lighter nuclei…
Q: 3. Find the Q value of the following decay. Calculate the kinetic energy and velocity of the…
A: Massesm(Th230)=230.033128um(Ra226)=226.025403u m(He)=4.002603uc=3x108 m/s 88A)We have to find Q…
Q: 5. B-10 (D.p) reaction. Identify the: Daughter nuclide: 1. Reaction Equation: 2. 1°C "C B+ B+ Stable…
A: Given, B-10(n,p) reaction
Q: 1. How much energy must be supplied to break a single aluminum-27 nucleus into separated protons and…
A: To answer: The energy required for 100 grams of Aluminium-27.
Q: 1. Compute the binding energy of the 'Li nucleus; the experimentally determined mass of 'Li is…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: A radioisotope has a half-life of 5.00min and an initial decay rate of 8000 Bq. (1.) What will be…
A:
Q: 10.)A radioisotope has a half-life of 5.0 days. The activity of a radioisotope sample prepared ten…
A: half life (t1/2) = 5 days Activity (A) = 6400 Bq time = 10 days
Q: A certain isotope has a half-life of 9.06 h. What is its decay constant in s-1?
A: Given: The half life time is 9.06 h.
Q: 3- Consider a piece of wood, wighing 50 g, which has an activity of 320 disintegrations/minute/g…
A: As the given question we have given weight 50 kg and we have fo find the age of wood that is 2.73×10…
Q: 231 The half-life of isotope Pa is 32.76 years. Calculate the activity of 3e-06 g of this isotope in…
A:
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: Bq contains 3 x 10 14 nuclei thathave not decayed. What is its A radioactive sample with an activity…
A: Required : Half life
Q: e half-life of 233 U is 1.6 x 105 years. Calculate: i) The number of atoms in 1 gram of 233 U 92 ii)…
A:
Q: 2 During the radioscope examination an isotope with 30.5MBq activity was used. Its effective…
A: The relationship between effective, physical and biological half life is given by 1Teffective=1…
Q: 45. A 60 Co source is labeled 6.1 mCi, but its present activity is found to be 2.03x107 Bq. (a) What…
A:
Q: The activity of the 14C isotope, whose duration is 5730 years, has been measured as 12.5 minutes-1…
A: Given information: The half-life of the C14 isotope, t1/2=5730 years The initial activity, No=12.5…
Q: Complete the following nuclear fission reaction of thorium-232. 232Th + n → 99Kr + 124Xe + ?…
A:
Q: The decay rate of a radioactive source decreases by 28% in 80 h. Determine the half-life, decay…
A: According to law of radioactive decay:N=N0e-λtN0=initial massN=mass at time tλ=decay…
Step by step
Solved in 2 steps with 2 images
