What is the specific activity (in Bq/g) if 8.58 μg of an isotope emits 7.4x104 α particles per minute?
Q: Sihle, an archaeologist from UWC finds an ancient wooden axe handle at an excavation site at…
A: Write the expression of decay rate. N=N0e-tt1/2
Q: An old wooden tool, containing 120.0 grams of carbon, is found in an ancient tomb. The tool emits…
A: Given, mass of carbon is m=120g emitting rate of electrons from the beta decay of C614 is…
Q: Measurements of the radioactivity of a certain isotope tell you that the decay rate decreases from…
A:
Q: A 73.0 kg person experiences a whole-body exposure to alpha radiation with an energy of 1.50 MeVMeV.…
A:
Q: What is the energy released from the alpha decay of gold-172(MeV?
A: Alpha decay is a type of radioactive decay, in which the atomic nucleus emits the alpha particle,…
Q: 1) A 2-kg block bar is attached to a 5-kg uniform cylinder by a square pin, P, as shown. Assuming…
A:
Q: How much is the mass of the sample in grams of Po-218 that has an activity of 5.00 x 1019 Bq? The…
A: Given Activity = rate of disintegration = 5 × 1019 Bq = 5 × 1019 disintegration/second Half life =…
Q: The charred bones of a sloth in a cave in Chile represent the earliest evidence of human presence at…
A: Given, Specific activity of bone (N)=5.22 disintegrations per minute per gram of carbon (d/min.g).…
Q: A living specimen in equilibrium with the atmosphere contains one atom of 14C (half-life = 5730 yr)…
A: No. of atoms of any sample remaining after a time t is given as: N(t)=N0e-tλ The solution of this…
Q: If a radioactive substance has an initial activity of 0.67 Ci and a half-life of 3.0 days, what is…
A:
Q: John is a nuclear worker and has a mass of 70 kg. He was exposed to 10 Ci 137Cs source…
A: A substance with unstable nuclei undergoes radioactive decay. A radioactive substance decays…
Q: The mass of the 16O nuclide is 15.994915 u. What is the total binding energy for this nucleus
A: Given Atomic number is Z=8 Mass number is A=16 Mass of the 16O nuclide is M=15.994915 u
Q: A student carries out a radioactive decay experiment. She measures the activity of a source as a…
A: Dear student Activity is defined as rate of radioactive decay of nuclei. It is denoted by R = ¥ N…
Q: A typical person of mass 65 kg contains 0.35% potassium, by weight. Of the potassium, 0.012% is 40K,…
A: Given: The mass of person is m=65 kg. The half life of nucleus is t1/2=1.28×109 y. The activity due…
Q: A 60-kg person accidentally ingests a small source of alpha particles (RBE=15). The activity of the…
A: Given that,Mass of person (m) = 60 (kg)a: Here we need to find the number of alpha particles that…
Q: Gamma rays may be used to kill pathogens in ground beef. One irradiation facility uses a 60Co source…
A: The total amount of energy of gamma rays per beta decay of 60Co can be given as, Here, ε represents…
Q: Calculate the radioactivity of 0.5mg of cobalt 56 in units of curie? Its radioactivity is 50 days,…
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…
Q: What is the binding energy per nucleon of an alpha particle? The nuclear mass of an alpha particle…
A:
Q: How long does it take for the activity of a sample of sodium-22, which has a half-life of 2.6 y, to…
A:
Q: A living specimen in equilibrium with the atmosphere contains one atom of 14C (half-life = 5 730 yr)…
A: Determine the number of carbon molecules per mole. Determine the initial number of atoms of C-14.
Q: A living specimen in equilibrium with the atmosphere contains one atom of 14C (half- life = 5 730…
A: In this question we have to find out the age of the samole in the nearest year with the help of the…
Q: What is the half-life in days of a radioactive sample with 4.9x10¹5 atoms and an activity of 6.5×108…
A:
Q: What is the binding energy per nucleon of 24 Pb? Give your answer in MeV
A: Mass defect of Pb is
Q: Sihle, an archaeologist from UWC finds an ancient wooden axe handle at an excavation site at…
A:
Q: A living specimen in equilibrium with the atmosphere contains one atom of 14C (half- life = 5 730…
A: Given: Half life time,t12=5730yr=5730×3.1536×107sMass of archeological sample of…
Q: A specific radioactive material was measured to have an activity of 347 MBq at 7:00 A.M., what is…
A: Given: The initial activity of the radioactive material at t = 0 (7:00 A.M) is A0 = 347 MBq The…
Q: A drug tagged with Tc (half-life= 6.05 h) is prepared for a patient. If the original activity of the…
A: Given:-Original activity (Ao)=1.1*104 Bq.Time (t) = 1.8 hoursHalf life = 6.05 hFind Activity…
Q: If a patient undergoing radiation treatment for prostate cancer receives 41 Gray ( Gy G y ) of gamma…
A: If a patient undergoing radiation treatment for prostate cancer receives 41 Gray ( Gy G y ) of gamma…
Q: A 70-kg worker is accidentally exposed for 2.0 minutes to a 21-mCi source of beta radiation from a…
A: (a) Let M, T, and R denote the person’s mass, the time for exposure, and the radioactive sample’s…
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 =…
Q: Mantles for gas lanterns contain thorium, because it forms an oxide that can survive being heated to…
A: Hlf-life time of radioactive element is Mass of element is Note:Molar mass of is Avogadro's number…
Q: The binding energy per nucleon of Li-7 and He-4 nuclei are 5.60 MeV and 7.06MeV respectively. In the…
A: The binding energy per nucleon is define as the binding energy of the nucleus divide by the number…
Q: A patient with prostate cancer is treated with implanted seeds that contain the samarium isotope…
A: Given Data:Half life Energy Activity Mass To Determine:The equivalent dose that the gland receives…
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
Q: A purified sample of Mo-99 contains 370 million Bq. a. What mass does this represent if the…
A: It's a moderate-level question of radioactivity. It's a little bit confusing because 1st question…
Q: A small region of a cancer patient’s brain is exposed for 24.0 min to 475 Bq of radioactivity from…
A: Given: To find the dose in rads with the given values as,
Q: Fe-56 is among the most tightly bound of all nuclides. It makes up more than 90% of natural iron.…
A: The Fe-56 isotope of iron has P=26 protons and N=30 neutrons. Mass of proton mp=1.007276 amu, mass…
Q: A scientist is studying a 2.234 g sample of thorium-229 (t1/2 = 7340 yrs) in a laboratory. (a)…
A: The mass of the thorium is 2.234 g.The half-life time of the thorium is 7340 years.
What is the specific activity (in Bq/g) if 8.58 μg of an isotope emits 7.4x104 α particles per minute?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images