1. Derive the mathematical relation for Q- value of nuclear reaction by considering a projectile x collides with target nucleus X which is at rest.

Q: The radioactive decay of a sample containing an unknown radioactive isotope produced 6274…

A: Given Initial disintegration = 6274 Final disintegration = 1898 Time = 15.31 days

Q: U-238 decays with the half-life of 4.47 billion years. Calculate the % of a sample left after 13.4B…

A: Given : Half life = 4.47 billion years  Time = 13.4 billion years.

Q: trontium-90 is one of the products of the fission of uranium-235. This strontium isotope is…

A: Half life = 28.1 year Initial amount = 1.50 gm Final amount = 0.100 gm

Q: One of the radioactive isotopes used in medical treatment or analysis is iron-59. The half-life of…

A: Radioactive decay obeys first order decay kinetics   At=Aoe0.693t12×twhereAt= final activityAo=…

Q: ^35 S (abundance 0.02%) is the longest living of the sulfur radioactive isotopes. It is formed from…

A: Answer - Nuclear reaction -  a nuclear reaction is semantically considered to be the process in…

Q: a certain radioactive substance decays at a rate proportional to the amount present. If a quarter of…

A: quarter of a radioactive substance decayed after 35 hours

Q: Iodine-131 has a half life of 8 days. This means that after 8 days, half of the original mass of the…

A: Part A Since Iodine-131 has a half-life of 8 days, which means every 8 days the mass reduces to…

Q: 9.) Strontium 90 is a major component of the detonation of nuclear explosives: it is I dangerous…

A: We know that no of atoms  N Present at time t  are given as N= N° e-kt where N° are the initial…

Q: Exactly 0.1 of the radioactive nuclei in a sample decay perhour. Thus, after nhours, the fraction of…

A: (0.900)n = 0.5 taking lag of both side  n x log 0.900  = log 0.5 n = log 0.5 /log 0.9 n  = 6.58 hour…

Q: A fossil contain 23% of the carbon-14 that the organism contained when it was alive. Graphically…

A: Solution: The half life is defined as the amount of time the substance takes to decrease its…

Q: Technetium-99m is a metastable nuclide used in numerouscancer diagnostic and treatment programs. It…

A: a) Given: Rate constant, k can be calculated using the given equation as follows,

Q: Use the radioactive decay curve of iridium-192 to answer the three questions A. If the initial…

A: Radioactive decay is the procedure in which the energy of an unstable atomic nucleus falls by…

Q: One of the radioactive isotopes used in medical treatment or analysis is palladium-103. The…

A:

Q: Calculate the half-life of a radioisotope if it takes 24 years for a sample to decay to 12.5% of its…

A: Radioactive decay follows first order kinetics. Half-life is the time taken by a radioisotope to…

Q: In 1954 researchers found an ancient Egyptian ship that was buried near the Pyramids approximately…

A: Given The half-life period for 14C = 5730 y = 1.8 x 1011 sec. Molar mass of 14C = 14 g/mol NA =…

Q: How many years will it take for 50 microcuries of tritium (Hydrogen-3) to decay to 3.125…

A: The given reaction will follow the first order kinetics

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

A:

Q: The half-life of radium-226 is 1600 years. Suppose we have a 22-mg sample presently. (a)  How much…

A:

Q: F-18, also referred to as Fludeoxyglucose is a radiopharmaceutical that is used in medical imaging,…

A: F 18 emits beta plus particle and it is radio pharmaceutical used in diagnosis of cancer, heart…

Q: The natural abundance of 14C in the earth's atmosphere and all living organisms is approximately…

A: Half-life is the time taken for the reactant to reduce the amount of the isotope to half its initial…

Q: How long does it take for 78% of a sample of cobalt-60 to decay (the half-life is 5.26 years)?

A: To solve this problem we have to first calculate the rate constant of the reaction by using half…

Q: Nitrogen-13 is used in tracers injected into the bloodstream for positron emission tomography (PET),…

A: Hii there, since there are multiple questions posted. We are answering first question. If you need…

Q: Q1: If you know that the half-life of a radioactive element is equal to 20 days, find the following:…

A: Radioactive active decay generally follows a first order reaction and therefore, the rate of…

Q: A certain radioactive material contains 1010 atoms and has a half-life of 20 days. (i.) Calculate…

A: No of atoms in radioactive elements = N 1010 atoms Half Life = t1/2 = 20 days No of disintegration…

Q: cl4 undergoes first order radioactive decay. For simplicity let its half-life be 6,000 years. The…

A:

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: When a ving organism dies, the amount of Carbon-14 in ks system begins to decrease exponentially.…

A:

Q: In living organisms, C-14 atoms disintegrate at a rate of 15.3 atoms per minute per gram of carbon.…

A: Answer is explained below. Given that, in living organisms C-14 atoms disintigrate at a rate of 15.3…

Q: The half-life of cobalt 60 is 5 years. (a) Obtain an exponential decay model for cobalt 60 in the…

A: Half-life of cobalt 60 is 5 years .Radioactive decay follows first order kinetics .We have to find…

Q: e 04/15 Homework Chapter X OWLV2 | Online teaching and le X…

A: Dear student I have given answer to your question in the image format.

Q: A sample initially consists of No radioactive atoms of a single isotope. After a time, t, the number…

A: All radioactive reactions are 1st order reactions . N=Noe-λt At t1/2 , N = No/2 .              No/2…

Q: A patient is prescribed 20 mg daily of the antidepressant paroxetine (Paxil) which has a half-life…

A: Half-life is the time interval during which the amount of a substance gets reduced to half. This can…

Q: 56FE + ža on + 2Fe

A:

Q: What is the half-life of magnesium-20 if 1.27 seconds are required for the activity of a sample of…

A: magnesium-20 is a radioactive isotope of magnesium. Radioactivity follows First-order kinetics.…

Q: A breeder reactor converts relatively stable uranium 238 into the isotope plu- tonium 239. After 15…

A:

Q: You are using a Geiger counter to measure the activity of a radioactive substance over the course of…

A: Dear student ,   since you have posted multiple parts questions we are allowed to solve only first…

Q: The half-life of radioactive element is 5 years. The yearly decay rate is After 12 yearS, of the…

A:

Q: A breeder reactor converts relatively stable Uranium-238 into the isotope Plutonium-239. After 5…

A: NOTE

Q: What is the half-life (in years) for a radioactive isotope with a rate constant of 6 yr1? Do not…

A:

Q: How do we know what is the most probable mode of decay, what set of rules do we follow when finding…

A: A question based on nuclear reaction that is to be accomplished.

Q: Actinium-227 is a radioactive substance that decays according to the following function, where v, is…

A: The relationship between the initial amount and final amount of reactant is given as, => y = y0…

Q: Q3: Complete the nuclear reaction below and calculate the threshold energy of reaction that is…

A: We have been asked to complete the nuclear reaction and to calculate the threshold energy kf…

Q: The radioactive decay of Radon-222 follows a first order differential dA/dt = - kA where A is the…

A:

Q: H+H-He+ 3

A: For nuclear reaction , total mass no. and total proton no. remain constant . Detail description is…

Q: What is the half life of a 100 g sample of nitrogen- 16 that decays 12.5 in nitrogen-16 in 21.6 s?

A:

Q: Complete the nuclear reaction below and calculate the threshold energy of reaction that is product…

A: Nuclear reaction: In a nuclear reaction, unstable nuclei convert into another element by producing…

Q: Identiy the missing particle in the following nuclear equation

A: We have given that  Identiy the missing particle in the following nuclear equation.  23892U…

Q: If 1/8 of a radioactive element remains after 600 years, what is the element half life? Please…

A: The radioactive decays follow first order kinetics.  The half life of the element is defined as the…