Answered: 5. Co-60 has a half life of 5.3 years.…

5. Co-60 has a half life of 5.3 years. If a pellet that has been in storage for 26.5 years contains 14.5g of Co-60, how much of this radioisotope was present when the pellet was put in storage?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Related questions

Q: A certain radioactive nuclide decays with a disintegration constant of 0.0256 h1 (a) Calculate the…

A: Given(s): Decay constant, λ=0.0256 h-1 Require: Half-life, t12=? Fraction of sample left after,…

Q: Each time you dumped the pennies, one half-life passed; it has been shown that the half-life for…

A: half life final amount initial amount

Q: 8..At-219 is a nuclide produced during the decay of U-235, and At-219 in nature is estimated to be…

Q: if a simple contains 1.1 g of Bi-210 Catomic mass = 209.984 105 amy). How many Beta emission would…

A: In the following problem, we have Bi-210 sample. Initial sample, m=1.1 gram Atomic mass, A=209.984…

Q: The half-life for a particular isotope is 5 seconds. Suppose there are initially 380 grams present…

Q: Describe Radioactive Decay Chains?

A: Radioactive decay: Radioactive decay means a process in which the unstable nuclei of an atom losses…

Q: Using appropriate formula determine the decay constant (λ) for the parent-daughter isotope pair,…

A: A parent-daughter isotope pair is The half-life time is Find:Decay constant.

Q: If the half-life of Uranium 235 is 700 million years, what would its third-life be?

A: Given data: The half life of Uranium 235 is t1/2=700 million years. The expression for the…

Q: If there are 20 mmol of the radioactive isotope 3H (half-life 12 years) at t = 0, how much 3H remain…

A: Initial concentration of radioactive element is Half-life time is Find:(a) Concentration of at…

Q: C. Larbon 14 the aImoMnt dating works biy measuring bog of carbon 14 Ca radio actilve etemnt) a…

Q: In radioactive decay of cadmium lab. If you allowed 3 minutes between each trial instead of 10…

A: The half-life of a radioactive substance is the time it takes for half of the material to decay.

Q: What is the most common way of determining the presence of O shale by looking at a high gamma ray…

A: Given: Gamma ray (GR) logs are used to assess the natural radioactivity in rock formations and may…

Q: complete the table and calculate the mass defect and binding energy for K39 c)explain the…

Q: The photoelectric work function of potassium is 2 eV. What potential difference would be applied…

Q: 1. A radioactive substance has a half-life period of 60 days What is the disintegration constant?…

Q: (a) Calculate the decay constant for cobalt-60 (T1/2 = 5.26 Years) in units of week-¹ (b) Calculate…

A: Given, Half-life of cobalt , T1/2 = 5.26 Years = 274.27 week Decay cosntant = 0.693 T1/2

Q: Iron-58 and bismuth-209 fuse into a large nucleus plus a neutron. Write the reaction equation and…

Q: What is "half-life"? Select one: a. The time needed for half of the radioactive atoms in a sample to…

A: Half-life is the duration of time needed for decay of the half of the radioactive atoms in a given…

Q: 4. a) A fossilised tree was tested and contains 10 grams of Carbon-14. Given that there was 12 grams…

A: According to the exponential law of radiation, we have N=Noe-λt where λ is the decay constant and No…

Q: A certain radioactive nuclide decays with a disintegration constant of 0.0137h1. (a) Calculate the…

A: Given Disintegration constant λ=0.0137 h-1 (a) half life T1/2 =0.693λ T1/2= 0.693/0.0137…

Q: Draw the fission yield as a function of the mass number and briefly explain its meaning.

A: Required : To draw fission yield vs mass number.

Q: a. A radioactive sample with a half-life of five hours. Calculate the radioactive efficiency after…

A: Concept used: Radioactive decay follows exponential decay law. Decay constant can be calculated…

Q: A) How much mass is left in a piece of animal skin after 17,145 years when a newly made piece of…

Q: A balloonist, riding in the basket of a hot air balloon that is rising vertically with a constant…

Q: Using the Line of Stability graph, predict the type(s) of decay that each of the following…

Q: Calculate the half-life of Th-232 which has a decay constant of 49.15×10-¹2 s²¹.

A: The rate at which unstable radioactive nuclei decay in a sample of material is called the activity…

Q: If a 10-gram sample of a radioactive substance has a half-life of 6000 years, how much would be…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: A certain radioactive isotope has leaked into a small stream. Three hundred days after the leak,…

Q: Tc-MAA has a physical half-life of 6 hours and a biological half-life of 2 hours. What is its…

A: Given: The physical half life is 6 hours. The biological half life is 6 hours. To…

Q: 4. a) Co" has a half-life of 5.2 years. i. Calculate the disintegration constant? ii. Calculate the…

A: Note : Out of given various questions, we solve only first question. You can resend the question for…

Q: Complete the following radioactive decay formulas: 12/5B --->? e- + V- 234/90Th…

A: Consider the first decay which is beta decay. Here, a neutron is transformed into a proton, an…

Q: Ex6/ Barium 137 has a half-life of 156 seconds. An initial activity of 2000 disintegrations during a…

Q: What is the most common way of determining the presence of O shale by looking at a high gamma ray…

A: Answer: It is necessary to utilise a gamma-ray log in ornithology in order to identify naturally…

Q: 6. Given that: (30) =-k₂I² (87) = -k₂T²C₁ aß Show that: Cv 3Nhv (hv exp(-ßhv)) ___hvexp(-2ßhv)…

A: In the given question we to find the specific heat at constant volume for that first we need to…

Q: When a plant or animal dies, its 14C content decreases with a half-life of t¹/2 = 5730 years. If an…

Q: A radioisotope has a half-life of τ at a temperature of 150 K. If its temperature is increased to…

A: We know that half life of any radioactive element is, T1/2=(ln 2)/k Where , k = decay constant

Q: cadmium -107 has a half -life of 6,52 hours .if you start off with sample which sample which has an…

Q: Suppose there is a mineral body which contained some amount of 238U, which has a half-life of…

A: half life of U-238 = 4.51×109 years After some time, U-238 atoms Lead atoms = 0.64

Q: Radon 23Rn produces a daughter nucleus that is radioactive. The daughter, in turn, produces its own…

A: To Determine: The total number of Nα and Nβ- particles that are produces in this reaction.

Concept explainers

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.

Question

5. Co-60 has a half life of 5.3 years. If a pellet that has been in storage for 26.5 years contains 14.5g
of Co-60, how much of this radioisotope was present when the pellet was put in storage?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

What are some strengths and limitations regarding the chronometric dating technique fission track dating?
show the complete and detailed solution for the following problems: 1. A wooden object is found in the ground and subjected to radiocarbon dating. The decay rate associated with C-14 is 10 disintegration/min per gram carbon. What is the age of the wooden object? 2. Co-60 is used extensively in a radiotheraphy source of y-rays with a half lofe of 5.27 years. A) How many years will it take to decrease to 35% of its original activity? B) If a Co source is 10 years old, what percent of its original activity remains?
5. Explain how you might use radioactive Fe-59 (a beta emitter with t1/2=44.5 days) to determine the extent to which rabbits are able to convert a particular iron compound in their diet into blood hemoglobin, which contains iron atoms. (10)
The half life of a radioactive nucleus is 50 days. The time interval (tz – t1) between the time t, when of it 1 has decayed and the time t; when - of it had decayed is - (1) 50 days (2) 60 days (3) 15 days (4) 30 days
4. An isotope’s half-life is
A wooden object found in an indian burial groud and subjected to radiocarbon dating. The decay rate associated with C-14 is 10 disintegrations per minute per gram carbon. What is the age of the object?
A 7.3 kg object initially has a momentum of 85 kgm/s. The object then experiences an impulse of -94 kgm/sWhat was the object's initial velocity in the x direction ? _______m/sWhat was the object's final momentum after experiencing the impulse? _________kgm/sWhat was the object's Final velocity in the x direction ? ___________m/s
Uranium-lead (U-Pb) dating of geological samples is one of the oldest and most refined radiometric dating methods, able to determine ages of about 1 million years to over 4.5 billion years with precision in the 0.1–1% range. The U-Pb dating method relies on two separate decay chains, one of which is the actinium series from 235U to 207Pb, with a half-life of 704 million years. Geologists unearth a sample of zircon that appears to be a closed system. They find 0.714 grams of 207Pb for 1.000 grams of 235U present. Approximately how old is the sample? _______ yrs
One nuclide in each of these pairs is radioactive. Predict which is radioactive and which is stable: (a) 40 20Ca and 45 20Ca, (b) 12C and 14C, (c) lead-206 and thorium-230. Explain your choice in each case
In a radioactive material, fraction of active material remaining after time t is 9/16. The fraction that was remaining after t/2 is: 1) 3/4 2) 7/8 3) 4/5 4) 3/5
Determine the age of a certain rock sample: carbon -14 half life = 5730 years. An archeology dig unearths a skeleton. Analysis shows is a C-14 activity of 1Cpm per gram of total carbon. Approximately how old is the skeleton?(Original C-14 Activity= 16Cpm)
Describe the process of s nuclear fission?