Calculate the age of a fossil that had 100 g of C-14 and now it has 12.5 g of C-14. The half-life of C-14 is 5730 years. years.

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A: As per the given information in the question, First calculate the rate constant (K) of the…

Q: A normal adult jawbone contains 200mg of Carbon-14 in a living person. If scientists found a jawbone…

A: Calculate the value of rate constant (k):

Q: 30% of a radioactive substance has decayed after 10years, what is its half-life?

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Q: If a tree dies and the trunk remains undisturbed for 12,000 years, what percentage of original C-14…

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Q: Strontium-90 is present in the fallout produced by nuclear weapons testing in the atmosphere. Sr-90…

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Q: How old in years is a bottle of a solution if the deuterium 2H content is 67% that of a new wine?…

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Q: The half-life of radioactive carbon ( 14C) is 5,370 years. If a sample of organic material contains…

A: Given that, The half-life of radioactive carbon ( 14C) is as given below --- t1/2 = 5,370 years The…

Q: The half-life of the radioactive isotope radon-222 is 3.82 days. How long will it take for the mass…

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Q: The half-life of the radioactive isotope phosphorus-32 is 14.3 days. How many days does it take for…

A: The equation for 1st order decay is:

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 = 51 Bq. And…

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

A: Here by applying first order disintegration equation ,we can determine the age of artifacts.

Q: If 10% of a radioactive substance decomposes in 200 years, what percentage will be present at the…

A: Given is the amount decomposed after 200 years and we have to find after 1000 and 2000 years.

Q: PLutonium-239, one of the radioactive by-products of nuclear power, represents a serious was…

A: Chemical kinetics is the study of the reaction that how fast or slow a reaction is taking place. The…

Q: The half-life of the radioactive isotope polonium-214 is 1.64x104 seconds. How long will it take for…

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Q: Cobalt-60 is a strong gamma emitter that has a half-life of 5.26 yr. The cobalt-60 in a radiotherapy…

A: All radioactive decays are first order reactions. The integrated rate law for 1st order reaction is…

Q: The isotope strontium-90 is produced during testing of nuclear weapons.  If 100.0 mg of strontium-90…

A: Given  Initial Amount of Sr - 90  (A)o = 100 mg  Half life time ( t1/2 )  =  29 years  Time ( t ) =…

Q: Carbon Dating: Carbon-14 commonly used for dating historical artifacts, is a radioactive isotope…

A: Given: Amount of carbon-14 in the bone remaining, [A] = 47% of its original concentration = 0.47…

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

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Q: Uranium-238 forms thorium-234 after radioactive decay and has a half-life of 4.5 x 10^9 years. How…

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Q: Suppose a sample of a certain substance decayed to 73.4% of its original amount after 300 days.…

A: Since, you have not mentioned about the order of the reaction, I have assumed it to be the 1st order…

Q: A normal adult jawbone contains 200 mg of Carbon-14 in a living person. If scientists found a…

A: Radioactivity is the phenomenon in which an unstable nucleus loses energy.

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A: Half-life is the time required for a quantity to be reduced to half of its original value. The…

Q: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 × 10³ Suppose nuclear…

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Q: One of the radioactive isotopes used in chemical and medical research is iodine-125, which has a…

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Q: You analyze a sample of a meteorite that landed on Earth and find that 15/16 of the uranium-238…

A: The question is based on the concept of chemical kinetics. we have been given a radioactive material…

Q: The half life of the radioactive element ubtonium-31 is 10 seconds. If 80 grams of unobtanium-31 are…

A:

Q: A normal adult jaw bone contains 200mg of carbon -14 in a living person. If scientists found a…

A: Decay of C-14 follow 1st order kinetics λ (decay constant) = 0.693/t1/2 = 0.693 / 5730 years = 1.21…

Q: How old in years is a bottle of a solution if the deuterium 2H content is 67% that of a new wine?…

A: The age of wine is calculated using the formula. λ = (2.303/t) log (No/N). λ = 0.693 / T50. (0.693 /…

Q: How old in years is a bottle of a solution if the deuterium 2H content is 67% that of a new wine?…

A: Given data: t1/2=100 years , No= 100% , N=67%

Q: Radioactive iodine-131 decays with a half-life of 8.0 days. A chemist obtains a fresh sample of…

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Q: Iron-59 is used to study iron metabolism in the spleen. Its half-life is 44 days. How many days…

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Q: After 42 years, what mass remains of a 100.0 g sample of a radioactive isotope with a half-life of…

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Q: Carbon extracted from an ancient skull combined only one-sixth as much as C14 as carbon extracted…

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Q: A certain radioactive substance has a half life of 50 hours that is half of the original quality has…

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Q: mass of phosphorus-32,

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Q: Na-24 is used in medicine to study the circulatory system. If one gram of Na-24 decomposes by beta…

A:

Q: The half-life of radioactive cobalt is 5.27 years. Suppose that a nuclear accident has left the…

A: Given the half-life of cobalt=5.27 years.

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

A:

Q: How old in years is a bottle of a solution if the deuterium 2H content is 67% that of a new wine?…

A: The age of wine can be calculated using the formula. λ = (2.303/t) log (No/N). λ = 0.693 /T50…

Q: A fossilized bone is found to contain one-fifth of the C-14 level found in living matter. Estimate…

A: Given,  A fossilized bone is found to contain one-fifth of the C-14 level the age of the fossil is:

Q: The half-life of carbon-14, an isotope used in archaeological dating, is 5730 years. What percentage…

A: The age of the sample follows first order kinetics. This method is known as carbon dating. First…

Q: Use the above information to answer the following questions. 1. Remains of an ancient caveman are…

A: Given: t1/2 = 5730 years The amount of C-14 left in the various species: 1) 25% in ancient caveman…

Q: Cobalt-60, which undergoes beta decay, has a half-life of 5.26 yr. (a) How many beta particles are…

A: Given: Half life of beta decay= 5.26 year Time= 600s Mass of Cobalt-60= 3.75 mg

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.