An ancient skull has a carbon-14 decay rate of 0.85 disintegrations per minute per gram of carbon (0.85 dis / min · g C). How old is the skull? (Assume that living organisms have a carbon-14 decay rate of 15.3 dis / min · g C and that carbon-14 has a half-life of 5730 yr.)

Q: An animal skeleton has a carbon-14 decay rate of 11.1 disintegrations per minute per gram of carbon.…

A: given: carbon-14 has a half-life = 5730 yrs  carbon-14 decay rate = 11.1 disintegrations carbon-14…

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Q: The carbon-14 decay rate of a sample obtained from a young tree is 0.260 disintegration per second…

A: Initial rate of disintegrations = 0.260 Final rate of disintegrations = 0.186  Half live = 5630yr…

Q: Fluorine-18, which has a physical half-life of 110 min, is used in PET scans. if 1.00g of…

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Q: The carbon-14 decay rate of a sample obtained from a young tree is 0.256 disintegration per second…

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Q: An ancient skull has a carbon-14 decay rate of 0.85 disintegration per minute per gram of carbon…

A: It's a nuclear decay reaction. Therefore, it will follow first order kinetics. And since it is…

Q: Uranium-240 has a half-life of 14.1 hours (note this is NOT a fissionable isotope).  A country with…

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Q: 15. A mammoth skeleton has a carbon-14 decay rate of 0.48 disintegrations per minute per gram (0.48…

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Q: 1. Phosphorous - 32 has a half - life of 14 days.  After how many days will a 1000 mg sample decay…

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Q: A mammoth skeleton has a carbon-14 decay rate of 0.48disintegrations per minute per gram of carbon…

A: Radioactive disintegration follows first order reaction and decay rate equation can expressed as,…

Q: A tiny piece of paper taken from the Dead Sea Scrolls has an activity of 10.8 disintegrations per…

A: Radioactive disintegration follows first order kinectics. Hence, the rate of decay can be followed…

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Q: What is the age of a fossil that has a carbon-14 decay rate of 6.5 disintegrations per minute per g…

A: Formula used y=a e-nt where y is the final  amount of death = 6.5dis/min           x is the initial…

Q: Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the 14C has decayed to…

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Q: A sample of wooden artifact is found to undergo 9.0 6C 1? disintegrations per minute per gram of…

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Q: Carbon-11 radioactively decays by positron emission with a half-life of 20.4 minutes. If a dosage of…

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Q: A skull believed to belong to an ancient human being has a carbon-14 decay rate of 6.50 dis/min.g of…

A: Radioactive disintegration follows first order reaction and decay rate equation can expressed as,…

Q: The carbon-14 decay rate of a sample obtained from a young tree is 0.260 disintegration per second…

A: Initial activity = 0.260 dpspg Final activity = 0.181 dpspg Half life = 5715 year

Q: The carbon-14 decay rate of a sample obtained from a young tree is 0.263 disintegration per second…

A: Solution - According to the question - Given - Ao = initial activity = 0.263dps A = activity at time…

Q: The carbon-14 decay rate of a sample obtained from a young tree is 0.252 disintegration per second…

A: Decay process is a first order reaction. Therefore we have to put the integrated rate law for first…

Q: The carbon−14 decay rate of a sample obtained from a young tree is 0.250 disintegration per second…

A:

Q: A moon rock collected by a U.S. Apollo mission is estimated to be 3.70 billion years old by…

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

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Q: 10. The 14C content of an ancient piece of wood was found to be one-sixteenth of that in living…

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Q: Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the 14C has decayed to…

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Q: The half life for the decay of carbon-14 is 5.73 x 10³ years. Suppose the activity due to the…

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Q: An archaeologist claims that a bone in her collection is from a saber-tooth tiger that is believed…

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Q: A sample of F-18 has an initial decay rate of 1.5 x 10° dis/s. How long will it take for the decay…

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Q: The radioactive decay of Tl-206 to Pb-206 has a half-life of 4.20 min. Starting with 5.00 × 1022…

A: Given: The initial number of atoms of Tl [N0]-206=5.00 × 1022 The half-life of Tl-206 atomst12= 4.20…

Q: A moon rock collected by a U.S. Apollo mission is estimated to be 3.50 billion years old by…

A: Given : Time = 3.50 billion years old. Mass of uranium-238 = 1.540g Half life = 4.47 x 109 years

Q: The radioactive isotope Ga decays by electron capture. If the mass of a sample of gallium-67 decays…

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Q: 10. The carbon-14 decay rate of a sample obtained from a young tree is 0.260 disintegration per…

A: Given information:Decay rate of young sample = 0.260 disintegration per secondDecay rate of another…

Q: The half-life of carbon-14 is 5730 years. The wrapping of an Egyptian mummy gave off 3.8 counts per…

A: From the given data we haveHalf life of carbon-14=5730 yearsWrapping of mummy=3.8…

Q: A skull believed to belong to an ancient human being has a carbon-14 decay rate of 6.50 dis/min.g of…

A: The half life for a radioactive element can be defined as the time taken by the half of the material…

Q: An artifact classified as bone, found in a site at Paviland Cave, Wales, is found to have a ¹4C…

A: Given that -  Initial activity , [A]0 = 0.255 counts per second per gram Carbon  Final activity, [A]…

Q: Carbon-14 is used in radiocarbon dating. The half-life of carbon-14 is 5.73*10^3 years. How many…

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Q: lement X decays radioactively with a half life of 8 minutes. If there are 530 grams of lement X, how…

A: Given: The half life of the sample, (t1/2)=8 minutes. The initial amount of sample, (N0)=530 grams.…

Q: The half-life of 14C is 5730 years, and the current decay rate in living organisms is 14.3…

A: Given: The activity of sample = 4.75 d.p.m/g C The activity of fresh wood = 14.3 d.p.m/g C And…

Q: A sample of wooden artifact is found to undergo 8 HC disintegrations per minute per gram of carbon.…

A:

Q: A mammoth skeleton has a carbon-14 decay rate of 0.48 disintegrations per minute per gram of carbon…

A: Given,Carbon-14 decay rate of 0.48 dis / min · g CCarbon-14 decay rate of 15.3 dis / min · g C