Approximately how old is a fossil that contains 1.5g of C14 and 198.5g of C12? Remember that C14 decays to C12 with a half life of 6,000 years.

Q: The half-life of Carbon-13 is 5750 years. Samples taken at an excavation site show that a…

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Q: The radioactive element​ carbon-14 has a​ half-life of 5750 years. A scientist determined that the…

A: Let the initial amount of carbon be N0=100%. 63.2% carbon is lost, hence remaining carbon is…

Q: Why does carbon dating not give any useful data for dinosaurs?

A: Carbon dating is a technique to calculate the age of old objects by measuring the amounts of…

Q: determination

A: Radioactivity has many applications and one among them is carbon dating which is used to determine…

Q: of oxygen (O2) contained in BIFs is equivalent to 6.6% of the oxygen present in the modern…

A: Find mass of oxygen in atmosphere.

Q: The diagram below shows the layers of rock having an ammonite:   Which statement about the rock…

A: By using stratigraphy we can decide which is younger or older.

Q: A sample from human remains found near Stonehenge in England shows that 71.2% of the carbon-14 still…

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Q: What process uses analysis of the decay of atomic particles to determine exact age?  a Radioactive…

A: Introduction: The radioactive decay process is the spontaneous process. When the nucleus is…

Q: In a certain rock, the ratio of lead atoms to uranium atoms is 0.300.Assume that uranium has a…

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Q: 5. The diplodocus dinosaur is believed to have become extinct approximately 1.38x10° years ago. The…

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Q: Explain the process of radiocarbondating.

A: Radiocarbon dating is a method for determining the age of an object containing organic material by…

Q: K2 K-

A: capacitance C =ε₀kA/d

Q: The population sizes of many animal species rise and fall over time. Suppose that the population…

A: The population size can be represented as, p(t)=3350+1250sin1.5t

Q: Carbon-14 is a radioactive element present in living organisms. After an organism dies, the amount A…

A: Given that: Half life of C14, T1/2=5730 yearN(t)=15%NoN(t)=0.15No

Q: An igneous rock contains a radioactive Isotope that has a half life of 10 million years. Careful…

A: Half life means the time taken by the sample to reach its half the mass of parent . in this case the…

Q: Radioactive isotopes can be used to find the age of rocks, fossils, or other artifacts. Carbon-14…

A: Given that                      The half life of the C-14 is t12 = 5730 years and a sample of a…

Q: alf-life of this sample?

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Q: What describes using organisms that were only alive during a specific time period to estimate the…

A: What describes using organisms that were only alive during a specific time period to estimate the…

Q: (20)The half-life of Carbon-14 is 5700 years.  If a 16 gram sample is found in a rock layer known to…

A: N(t)=No(0.5)t/h  h= half life N(t)=16 g t=42000 years h=5700 years we have to find No

Q: piece of fossilized wood has a carbon 14 radioactivity that is one eighth that of new wood. The…

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Q: The length (in centimeters) of a typical Pacific halibut t yr old is given approximately by the…

A: Let t be the time, then length of a typical Pacific halibut is given as,

Q: The total surface area of the United States is 9.6 × 106 km2. Seventy-four percent of this land can…

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Q: An artifact was found and tested for its carbon-14 content. If 89% of the original carbon-14 was…

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Q: A wooden boat discovered just south of the Great Pyramid in Egypt had a carbon-14 contains of…

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Q: A fossil contains 4.06 grams of carbon 14. Refer to the formulaA(t) = C 0.999879twhich gives the…

A: According to the given equation, the amount of C-14 in the sample at t time is given in the…

Q: if the amount of the parent isotope in the original sample of a rock had been 48 grams, about how…

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Q: Amber was used by the Greeks to study what?

A:

Q: What is extinction vortex and what happens in an extinction vortex?

A: Extinction vortex is a process which is used to describe the effect of declining of  population in…

Q: A radioactive isotope has a half-life of 1.2 billion years. As measured by the presence of the…

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Q: Skeletal remains had lost 79% of the C-14 they originally contained.  Determine the approximate age…

A: The expression for the amount left after time t is,

Q: What kind of nuclear power is responsible for sunshine?

A: Reason for sunshine

Q: The Oldest Snack Food? In Bat Cave, New Mexico, archaeologists found ancient human remains,including…

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Q: The abundance of 40K is 0.012% of total natural potassium. The human body is 0.25% potassium by…

A: Since, the 70 kg human body has 0.25% of potassium by weight in which percentage of 19K40 is further…

Q: A rock sample contains a radioactive isotope that has a half-life of 10,000 years. One-fourth (25%)…

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

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Q: The​ half-life of​ carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree…

A:

Q: The radioactive element​ carbon-14 has a​ half-life of 5750 years. A scientist determined that the…

A: Given, Half life of radioactive element carbon-14 element ,t1/2 = 5750 years A scientist determined…

Q: C^14, a form of carbon that is used to find the age of fossils has a half life of 5730 years. how…

A: Given(s): Initial sample, N0=10 g. Half-life, t12=5730 yr Time, t=13,000 yr. Require: Amount of…

Q: iven that the half-life of carbon-14 is 5,730 years. Consider a sample of fossilized wood that when…

A: Law of radioactive decay is N=N0e-λt where N is the amount left after passage of time t…

Q: Imagine you are a scientist and you are working with a museum on an archaeology exhibit. They tell…

A: Goven  Amount left N = (1/32 ) of initial  If initial amount is N0,  Then N = N0/32

Q: You want to use radiometric dating to determine the age of a specimen. You use Isotope Z, which has…

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.