The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88x 10 years. 10 Suppose nudear chemical analysis shows that there is 0.555 mmol of strontium-87 for every 1.000 mmol of rubidium-87 in a certain sample of rock. Calculate the age of the rock. Round your answer to 2 significant digits.

Q: The half-life time of such element is 20 y, the amount will be remain after 80 y is -- mg.of initial…

A: We have half life as 20 y, we have to calculate the amount left after 80 y , if initial amount is 32…

Q: Plutonium-239 is a byproduct of the fission reaction used to produce energy in nuclear power…

A: Given data,Half life=24400yearstime=97600years

Q: The half-life of radium-226 is 1.60X10³ yr. How manyhours will it take for a 2.50-g sample to decay…

A: Given :  t1/2 = 1.60 x 103 yr , [A0] = 2.50 g , [At] = 0.185 g Half-life : The time taken by any…

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: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 × 10° years. Suppose…

A: Carbon 14 →Nitrogen-14 Half life t1/2 = 5.73×103 years In a nuclear reaction Nitrogen-14 is 0.524…

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A:

Q: A sample of 400g of radioactive​ lead-210 decays to​ polonium-210 according to the function…

A: Given data : A sample of 400g of radioactive​ lead-210 decays to​ polonium-210. According to the…

Q: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 x 10 years. Suppose…

A: Given: The half-life of the radioactive decay of carbon-14 to nitrogen-14 = 5.73×103 years There is…

Q: Let Q represent a mass (in grams) of radioactive thorium (229 Th), whose half-life is 7,340 years.…

A: Radioactive decay It is the process in which unstable isotopes undergo decay through emitting…

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: By mass spectral analysis, a sample of strontium is known to contain 2.64x1010 atoms of Sr-90 as the…

A: Answer to all the questions is given below.

Q: The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 × 100 years. Suppose…

A: Radioactive decay follows first order kinetics.

Q: (d) How long does it take for 90% of a given quantity of the radioactive element cobalt-60 to decay,…

A:

Q: Mass spectrometric analysis of potassium and argon atoms in a Moon rock sample shows that the ratio…

A: The ratio of number of argon atoms and number of potassium = 10.3 : 1 Half life of potassium = 1.25…

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 x 10 years. Suppose…

A:

Q: The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 × 10*° years. Suppose…

A:

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 x 10 years. Suppose…

A: Calculation

Q: If a quantity decreases by a factor of 8 every 30 years, what is its half-life?

A:

Q: You are on a geology field trip to the La Brea Tar Pits, and you find a jaw bone from a…

A:

Q: 81. Suppose a rock sample initially contains 250 grams of the radioactive substance unobtainium, and…

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

A: Given-> Half life (t1/2) = 28.1 year  Initial amount = 4.00 gm Final amount = 0.100 gm

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Q: Uranium is radioactive and decays into lead. This process can be used to date rocks. A piece of…

A:

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

A: Given : Initial amount of strontium isotope = 1.00 g Final amount of strontium isotope = 0.200 g And…

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

A:

Q: The half life for the decay of carbon- 14 is ×5.73103 years.   Suppose the activity due to the…

A: The radioactive disintegration is the example of first order kinetics. The integrated rate equation…

Q: The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 x 10" years. Suppose…

A:

Q: Using applications of Differential Equations. The half-life of carbon 14 is 5730 years. It takes…

A: The correct option is (d) Half life of carbon-14 is is 5730 as it is clearly given in question.

Q: ) What fraction of a radioactive sample remains after one, two, and three half-lives have elapsed?…

A: Radioactivity is a nuclear phenomenon where nucleus of a heavy element undergoes spontaneous decay…

Q: A radioisotope has a half-life of 8.7 h. What mass of the radioisotope will be left after 24.5 h if…

A: The objective of the question is to find out the the mass of radioisotope left after 24.5 h.

Q: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 × 10° years. Suppose…

A:

Q: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 x 10 years. Suppose…

A: Given that, the half-life (t1/2) for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 * 103…

Q: What is the half-life of N2O5 at 70∘C?

A: For first order reaction, t1/2 = 0.693/k where t1/2 = half life of the reaction k = rate constant…

Q: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 x 10 years. Suppose…

A: Radioactive decays are first order reactions. Here, beta decay occurs to convert carbon-14 to…

Q: The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 x 1010 years. Suppose…

A: Radioactive decay follows 1st order reaction kinetics. So it follows the equation of 1st order…

Q: A tiny sample of a fabric is burned to CO2, and the 14C/12C ratio is 0.350 times the ratio in…

A:

Q: OR A certain amount of a radioactive substance was observed to be of mass M at time T and of mass m…

A: Given data: mass of radioactive at time T is M (initial mass ), Again after some radioactive decay…

Q: A tiny sample of a fabric is burned to CO2, and the 14C/12C ratio is 0.350 times the ratio in…

A:

Q: A 56.6 mg sample of sodium perchlorate contains radioactive chlorine-36 (whose atomic mass is 36.0…

A:

Q: The graph below shows the rate of decay of the radioactive isotope K-40 into Ar-40 and Ca-40.…

A: The graph given is,

Q: A 53.8-mg sample of sodium perchlorate contains radioactivechlorine-36 (whose atomic mass is 36.0…

A: The number of disintegration of a radioactive compound can be determined by the number of…

Q: The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 x 10" years. Suppose…

A:

Q: The half life for the decay of carbon-14 is 5.73 × 10° years. Suppose the activity due to the…

A: Given: Half-life of carbon-14 decay = 5730 years. Activity of carbon-14 in the sample = 90 Bq. And…

Q: The half life for the decay of carbon-14 is 5.73 × 10’ years. Suppose the activity due to the…

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Q: Stonehenge is an ancient megalithic site in southern England. Some believe it was designed to make…

A: Given: Sample=6 pound Carbon-14=0.33 Pounds t12=8333 years To find: Age of charcoal pits Solution:…

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 x 10 years. Suppose…

A: The rate constant of the radioactive decay can be calculated as follows: Rate constant (k)  =…

Q: 10 The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 × 10" years.…

A: This is a first order reaction and hence the half life is, t1/2 = 0.693/k

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 × 10’ years. Suppose…

A: All radioactive decay processes always obey "first-order kinetics". The half-life for any decay…

Q: The half-life o carbon-11 is 20.3 min. How long will it take for 69% of a sample to decay? How long…

A: Given data,Half life(t1/2)=20.3min Radioactive decay is of the first order. The relationship between…

Q: The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 × 10" years. Suppose…

A: Given: The half-life of the radioactive decay= 4.88×1010 years Initial moles of rubidium-87= 1.000…

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.