An artifact originally had 16 grams of carbon-14 present. The decay model A = 16e 0.0001z" describes the amount of carbon-14 present after t years. Use the model to determine how many grams of carbon-14 will be present in 5706 years. The amount of carbon-14 present in 5706 years will be approximatelyO grams. (Round to the nearest whole number.)

Q: (Based on 7.6.33. from the book) The method of carbon dating makes use of the fact that all living…

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Q: Radioactive decay can be described by the following equation In A = In Ao – kt where Ap is the…

A: Using intergrated rate equations for first order reaction , we will answer the question.

Q: # 4. The remnants of an ancient fire in a cave in Africa showed a 614decay rate of 3.9counts per…

A: Radioactive decay is a first order reaction. The integrated rate law for first order reaction is as…

Q: eological site conta

A: Given N=2,400 decays/min m=500g=0.500kg Half-life 0f  C14 ,T12  =5,730 year

Q: The half-life of a decaying radioactive isotope is the time it takes for half of the original mass…

A: Here we are required to find the half life of the radio isotope

Q: A patient is injected with 7.58 μCi7.58 μCi of radioactive iodine‑131 that has a half‑life of…

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Q: What is the half-life (t1/2) of a radioisotope if 1000 grams of the sample decays to 125 grams in…

A: The nuclear half-life is amount of time it takes for half of sample to decay radioactively.…

Q: Calculate how long will it take for a sample of a radionuclide with a half-life of 40.8 days decay…

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Q: 9. The amount of a radioactive substance that is remaining after t years is given by A(t) = Agekt.…

A: Radioactive decay basically follows the first order kinetics. Formula to calculate rate constant is…

Q: 187 Cs has a half-life of 30.2 years. How many years will it take for a 100.0-g sample to decay to…

A: Half-life of Cs is 30.2 years. Intial amount sample = 100 g  Final amount sample = 1.00 g

Q: half-life of carbon-14, 14C, is approximately 5,730 years. A bone fragment is estimated to have…

A: The half-life of carbon-14, 14C, is approximately 5,730 years. A bone fragment is estimated to have…

Q: Prehistoric cave paintings were discovered in a cave in France. The paint contained 16% of the…

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Q: What is the half‑life of an isotope that decays to 6.25%6.25% of its original activity in 57.1 h?

A: The half-life of the isotopes can be described as the time at which the amount of the activity…

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

A: Given,                 Isotope = 14C                 Half life =5730 years                 Remaining…

Q: 225 AC 9.9d 221Fr deday hhoun minutes econds msmillseconds eroseconds 4.8 m x1 32 ms X2 X3 42 ya…

A: In Q3. We have to simply use the first order kinetic to find the time . Kt = ln ( Initial…

Q: a substance with a half-life of 23.1049 seconds. you start with 12 mg of the substance (a) write the…

A: The decay of substance follow exponential rule. Half life is defined as the time required by any…

Q: Radioactive decay can be described by the following equation In A = In Ao – kt where Ao is the…

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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 activity = 0.260 dpspg Final activity = 0.181 dpspg Half life = 5715 year

Q: 3. A certain radioactive material is known to decay at a rate proportional to the amount present. If…

A: Solution -

Q: The total mass of radioactive uranium decays with time, different isotopes have different time…

A: First Calculate final value of mass for all three experiment All values are given in question  Then…

Q: Radioactive decay can be described by the following equation In A = In Ao – kt where Ao is the…

A: It is given that: k=5.21×10-2 hours -1.  Initial concentration A0=48.1mg At time t concentration A=?…

Q: A sample initially contains 300 µg of 32Si (31.97415 amu), which decays with a half-life of 160…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…

Q: Chemists working to develop substances for filtering greenhouse gases from the atmosphere have…

A: The decay differential equation is given as, dAdt = -kAA: Concentration at any time tK: Decay…

Q: The half-life of 1311 is 8.04 days. (a) Convert the half-life to seconds. (b) Calculate the decay…

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Q: The radioactive nuclide 235 U decays with at1/2 of 703.8 million years. Calculations reveal that…

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Q: At the beginning of an experiment, a scientist has 192 grams of radioactive goo. After 90 minutes,…

A: Initial mass, final mass, time required for radioactive goo are given for which relevant questions…

Q: Potassium-40 decays to argon-40 with a half-life of1.27x109 yr. What is the age of a rock in which…

A: Half-life: It is defined as the time required for a quantity to reduce half of its initial value.…

Q: Chemistry An unknown radioactive substance has a half-life of 3.20 hourshours . If 34.7 gg of the…

A: All natural and artificial radioactive decays follows first order kinetics The integrated rate…

Q: Cobalt-60 is radioactive and has a half life of 5.26 years. How long would it take a sample to decay…

A: We have to calculate the time taken.

Q: Consider the I-131 nucleus that is used to treat thyroid. Mass of I-131 is 130.78302 amu. 1) what is…

A: To answer questions regarding I-131 nucleus.

Q: At the beginning of an experiment, a sclentist has 164 grams of radioactive goo. After 255 minutes,…

A: Given:Initial amount of goo, G∘= 164 gFinal amount of goo, G =5.125gtime, t =255m

Q: The mass percent of carbon in a typical human is 18%, and the mass percent of 14C in natural carbon…

A: Given that: Mass % of carbon in humans = 18 % Mass % of 14C in natural carbon = 1.6 ×10-10 mas of…

Q: The nuclide 0 (atomic mass, 17.99916 u) is produced by the B* decay of F (atomic mass 18.00094 u).…

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Q: 225 Ac 9.9 d 221Fr de days 4.8 m h hours meminutes Sseconds ms milliseconds usmicroseconds X1 32 ms…

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Q: Radiðactive decay can be described by the following equationn In A = In A9 - kt where Ao is the…

A: Radioactive decay is a first order reaction which can be described by the formula :…

Q: A certain substance is known to decay at a rate proportional to the present amount. Initially, there…

A: Radioactive decay is the first order reaction.The half life time for a radioactivedecay is given by…

Q: Radioactive decay can be described by the following equation In A = In A, – kt where Ag is the…

A:

Q: Radioactive decay can be described by the following equation In A = In Ag- kt where Ag is the…

A:

Q: what is the half life of an isotope that decays to 25% of its original activity in 68.9 hours?

A: For a first order reaction, rate constant can be calculated as

Q: 14Cdecays by B-emission and after 12.0 h, ninety percent of the radioactive substance remains.…

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Q: The half-life of stroncium-90 is 28 years. How long will it take a 50-mg sample to decay to a mass…

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Q: Radioactive decay can be described by the following equation In A = In Ao – kt where Ao is the…

A: We have to predict the final amount of P-32.

Q: A certain artifact is tested by carbon dating and found to contain 73% of its original carbon-14. As…

A: Given : Concentration of carbon present = 73 % of initial concentration  And concentration of radium…

Q: You take a course in archacology that includes field work. An ancient wooden totem pole is excavated…

A: The above question can be solved using the formula  t1/2 = 0.693/k Where k is the rate constant k=…

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.