What is the specific activity (in Bq/g) if 8.58 μg of an isotope emits 7.4x104 α particles per minute?
Q: A sample of wood from an Egyptian mummy case taken from an archaeological site is subjected to…
A: Given :A∘=16.3 d/m.gA=10.41 d/min.g
Q: Measurements of the radioactivity of a certain isotope tell you that the decay rate decreases from…
A:
Q: The radioactive isotope Gold-198 has a half-life of 64.80 hrs. A sample containing this isotope…
A:
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: Sodium-24 is a radioisotope used for examining circulation. a. Write a balanced nuclear equation for…
A: The radioactivity equation is N = No12n where, No is the initial number of atoms, N is the atoms…
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: Technetium-99 is an unstable isotope. Given a half-life of 8.01 hours, what is the activity (in…
A: Determine the decay constant.
Q: A 85 kg patient swallows a 31 μCi beta emitter with a half-life of 5.0 days, and the radioactive…
A: Given data: The mass of the patient is m=85 kg. The radiation is R=31 μCi. The half-life is…
Q: A radioactive sample of 60Co (t1/2 = 5.271 y) has a β - activity of 4.4 x 107 Bq. How many grams of…
A: Given: A radioactive sample = 60Co (t1/2 = 5.271 y) β - activity = 4.4 x 107 Bq Need to find how…
Q: What is the binding energy per nucleon of an alpha particle? The nuclear mass of an alpha particle…
A:
Q: A 70-kg person experiences a whole-body exposure to alpha radiation (RBE=15) with energy 4.77 MeV. A…
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: The isotope 208Tl undergoes β decay with a half-life of 3.1 min. How many minutes will it take for…
A:
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: opper-63 has a nucleus mass of 62.92959 u. Its atomic number is 29, and its atomic mass number is…
A:
Q: a sample containing l-131 has an activity of 6.4x10^8 Bq.h how many days later will the sample have…
A:
Q: What is the specific activity (in Bq/g) if 8.58 µg of an isotope emits 7.4x104 a particles per…
A: Here,Mass of the isotope, m=8.58μg=8.58×10-6 gDecay constant, λ=7.4×104 Decay per minute=7.4×104…
Q: Strontium-90 is a radioactive by-product of nuclear reactors that behaves biologically like calcium.…
A: Given Half life time T1/2 = 29 years Total time T = 59 years N0 = 1.2 × 1012 dis/s
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: 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.
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 the age of the given sample in the nearest year. Please give…
Q: What is the mass of 25.0 mCi of technetium-99m (Tc99m)Tc99m , which has a half-life of 6.00 h?
A:
Q: A living specimen in equilibrium with the atmosphere contains one atom of ¹4℃ (half-life = 5 730 yr)…
A:
Q: The half-life of 43100Tc, a ß- emitter, is 15.8 s. a). How many atoms of 43100Tc are present in a…
A: Half life of decay = 15.8 Activity of sample = 0.2×10-6 = 3.7×1010 ×0.2×10-6 = 7400Bq
Q: What is the binding energy per nucleon of the tritium (H3) nucleus (1u=931.5 MeV; Tritium atomic…
A:
Q: The half-life of 23$U, an alpha emitter, is 7.1 x 10° yr. Calculate the number of alpha particles…
A:
Q: The body of a stone-age man was found in a glacier in 1997. The body was dated using radiocarbon…
A: Given Half period , t(1/2) = 5840 years Initial activity , Ro = 0.25 Bq Final activity , R =…
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
