A radioactive parent isotope with 600 atoms, After the decay, 450 daughter atoms were produced. Calculate the age of the rock if you know that the half-life of the parent isotope iS 20 million years

Q: If a sample of 131La goes from 450 picocuries to 100 picocuries in 185 minutes, what is its…

A:

Q: Given 100.0 grams of a sample that has a half life of 7.02 days, determine the time in days for…

A: Such type of reaction follows 1st order kinetics. t=logAoAtlog2× t1/2

Q: [Review Toplcs] [References) Use the References to access important values if needed for this…

A: Carbon Dating of a Sample  using the data from question and solution is present in step-2

Q: Beginning with 1.00 g of a sample of an unknown radioactive isotope, 0.05674 g of the isotope will…

A: The answer to the following question is-

Q: A sample of a radioactive metal starts with a mass of 400 grams. When a chemist examines it later,…

A: 25 g of metal remains after 4 half-lives.

Q: How much time in minutes would it take for a 2.301 g sample of 3H to decay to a mass of 1.789 g if…

A: The initial concentration (N0), final concentration (N), and time (t) required to convert the…

Q: A radioactive isotope has a half-life of 11 minutes.  How many grams of a 18.68 g sample remain…

A: Given Half life = 11minutes = 11*60= 660 second Sample weight = 18.68g Time = 44 minutes = 44*60=…

Q: A radioactive isotope decays from 60 grams to 15 grams in 20 seconds. What is its half-life?

A: Given is the radioactive isotope.We know any radioactive decay follows first order  reaction…

Q: Cs-134 has a half-life of 2.0 years. How much of a 2.50-g sample of this isotope will remain after…

A: Given :- half life of Cs-134 = 2.0 years                Initial amount of sample = 2.50-g  To…

Q: 1. A sample of radioactive iodine-131 atoms has a half-life of about 8 days. Suppose that 1 000 000…

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Q: Potassium 40 has a half life of 1.3 billion years.  If no half lives had passed, what percentage of…

A: A numerical problem based on half life period, which is to be accomplished.

Q: The half life of a radioactive iodine is 8 days. How long will it take for 0.25 g of radioactive…

A:

Q: [Review Topics] [References] Use the References to access important values if needed for this…

A: Interpretation -  To determine the the age of the artifact , when a radioactive isotope carbon-14…

Q: Calculate the half-life of a radioisotope if it takes 144 years for a sample to decay to 12.5% of…

A: N = 0.125 No N/No = 0.125

Q: In the next step of the neptunium-237 decay series, very unstable francium-221 is produced.  Given…

A: Here we are required to find the amount of Francium 221 remain after 7.32 minutes.

Q: A certain isotope has a half-life of 2.00 days. How much of a 4.00g sample of this isotope will…

A: Since the decay reactions are first order reactions Hence we can say  1) Half life = ln(2) / K 2)…

Q: The half-life of carbon-14 is 5,730 years. Write the exponential decay function and find k. If the…

A: Half life:It is represented by the symbol t1/2. It was discovered by Rutherford. It is defined as…

Q: 1.50 moles of a radio nuclide emits 3.09 x 1010 beta particles per second. assumed that each beta…

A: Here 1.5 moles of radio active nuclide emits 3.09×10^10 beta particles per second. We have to…

Q: A 1.00 g sample of a radioactive isotope decays such that 0.675 g will remain after 2.43 yr.…

A: Radioactive decay follows the first order kinetics.k = (2.303/t) log (Ao/A)t1/2 = 0.693/kWhere, Ao =…

Q: 7. A sample contains 9,000 particles of the original isotope for every 63,000 particles of the…

A: Given: Half life of original isotope (t1/2) = 19 years Initially the number of daughter isotopes…

Q: radioactive isotope has a half life of 25.9 minutes. How long will it take for the radiation from a…

A:

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.