The half life period of radioactive element same as the mean life time of another radioac element y. Initially they have the same numbe
Q: Mantles for gas lanterns contain thorium, because it forms an oxide that can survive being heated to…
A: Given: The half life time of thorium is t1/2=1.405×1010 y. The mass of thorium in lantern is m=300…
Q: The radioactive decay law is given by where N(t) = Noet 2= In(2) 11/2
A: We have given radioactive decay law. We want to linearlize the given equation.
Q: Q2: a. Sample of the isotope "I, which has a half-life of 8.04days, has a measured activity of (A)…
A: Answer..
Q: The isotope Np-238 has a halflife of 2.0 days. If 96 were present on Monday, how much will remain…
A:
Q: Ohrs later. W
A: Given: Number of counts in initial reading are 3200 Final counts are 100 counts Time is 30 hours
Q: If the parent nucleus in a ß* decay is CI, what is the daughter nucleus? 17 Help chemPad XX Greek:…
A:
Q: The isotopes of U8 and U5 occur in nature in the ratio 140 : 1. Assuming that at the time of earth's…
A:
Q: Example 12.11. Radioactive isotope 18 F has a half-life of 110 min. How much time does it take for…
A: Half life of radioactive isotope of 18 F , t1/2=110 min To determine time does it take for 99% of…
Q: (Hand by written ans.)Mantles for gas lanterns contain thorium, because it forms an oxide that can…
A:
Q: Use the values from PRACTICE IT to help you work this exercise. (a) Find the number of remaining…
A:
Q: 87, Rb nuclide undergoes beta-minus decay. Find the daughter nuclide. 37 1. (a) The rubidium 140 Ce…
A: 1) In beta minus decay, a neutron decays into a proton. So atomic number increased by one and no…
Q: A 10 g sample of a radioactive element takes 93s to reduce into 1 g. Calculate the half-life and…
A: Radioactive decay is the process by which an unstable nucleus attains stability by releasing…
Q: Q2:-Two samples of the same radioactive nuclide are prepared, each having the same size. Sample A…
A: SOlution: Given that the raltion between half lide and sample decay is T1/2 = ln2/λ the relation…
Q: Suppose the activity due to the radioactive decay of the carbon-14in a tiny sample of an artifact…
A: The activity of fresh wood sample is The activity of old wood sample is The half life of carbon 14…
Q: Question 3 A laboratory investigation shows that a sample of uranium ore contains 5.37 mg of U and…
A: We have to find the age of the ore
Q: Which nuclide(s) would you predict to be stable? Why?(a) ²⁰₈O(b) ⁵⁹₂₇Co(c) ⁹₃Li
A: To determine in which the nuclide would you predict to be stable (a) ²⁰₈O (b) ⁵⁹₂₇Co (c) ⁹₃Li
Q: 9. The radioactive isotope (82Sr) has a half-life of 25.4 days. A sample containing this isotope has…
A: The radioactive isotope is Half-life time of radioactive element is The initial activity is…
Q: dN, =-k,N¡ ve dt dN, = kN; – k,N, dt
A: The radioactive decay reactions for particle N1 is given as dN1dt=-k1N1 vedN1N1=-k1ve dtln N1=-k1ve…
Q: (b) The results of activity measurements on a radioactive sample are given in the Table. i) Find the…
A:
Q: Q3:- The half-life of 31 is 8.04 days. (a) Calculate the decay constant for this isotope. (b) Find…
A: Given, Sample element is I131 half life of I131 is, T12=8.04 days a) According to radioactive…
Q: Tritium has a half-life of 12.33 years. (a) What fraction of the nuclei in a tritium sample will…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: In a lab a radioactive sample is studied for 5 days. It was observed that the radioactive nuclides…
A: Radioactive decay is the process by which an unstable nucleus becomes stable. The decay process is…
Q: A radioactive sample studied in a lab is found to have a half-life of 48 hours. If the initial…
A: Radioactive decay is the process by which an unstable nucleus becomes stable. The half-life for a…
Q: Radioactivity You have an isotope with a decay constant of 3.62 * 10-3 s-1. What is the half-life…
A:
Q: The initial activity of a sample of the cesium isotope 137 Cs is 150 mCi. When delivered to a…
A: Given: The initial activity (A0) of the sample is 150 mCi. The activity (A) after a time (t) of 12…
Q: You can sometimes find deep red crystal vases in antique stores, called uranium glass because their…
A: Given, Mass of uranium in sample,
Q: A radioactive sample contains 5.50g of pure N(7, 13), which has a half-life of 10 min. Calculate the…
A: We need to calculate activity after 2 hours and whether this isotope is useful for dating for 10…
Q: What fraction of radioactive nucleus sample survive after two half-lives?
A: Half-life is the time taken by the radioactive element to become the half of the original amount as…
Q: Jai was measuring the radioactivity of different radioactive isotopes. Isotope A had a starting…
A:
Q: B- Measurements on a radioactive sample show that its activity decreases by a factor of five during…
A: Solution-Given thatRatio of final and initial activity AA∘=15Time interval (t)=2 hourNow half life…
Q: Nitrogen-13 undergoes beta plus decay. Determine the daughter nucleus and compare the binding energy…
A: is a radioactive isotope that undergoes beta plus decay.In this process, a proton in the nucleus is…
Q: Complete the table for the radioactive isotope. Isotope 14C, Half Life (In years) 5715, Initial…
A: Half life of carbon 14 is 5715 years
Q: A radioactive sample studied in a lab is found to have a half-life of 25 hours. If the initial…
A: Radioactive decay is the process by which an unstable atomic nucleus spontaneously emits particles…
Q: If the parent isotope starts with 100 grams, but your samples yield only 12.5 grams of the parent…
A: Given Data Initial mass of sample is M= 100 g Final mass is m = 12.5 g
Q: The half-life of 60?? is 5.27 years. The activity of a 60?? is 3.50 × 109 Bq. What is the mass of…
A:
Q: What are the number of neutrons and protons for the following nuclides: 6Li, 13C, 40K, and 102Pd?
A: L6i Mass number, A=6 Proton number=3 Neutron number=6-3=3
Q: A radioactive equilibrium between 99mMo/99m Tc generator and its daughter is a transient…
A:
Q: A 40 grams in radionuclide decays 35 grams in 240 years. What is the half-life of the radionuclide?
A:
Q: A certain radioactive substance has a half-life of 38 hr. Find how long it takes for 90% of the…
A:
Step by step
Solved in 2 steps with 2 images
