Complete the nuclear reaction below and calculate the threshold energy of reaction that is product the radioactive nucleus: 70GH,?)F

Q: The half-life of 26?? 59 is 44.6 days. How long will it take for 95.0% of a sample of this nuclide…

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Q: A dinosaur remain has a C-14 isotope and has a half-life of 5,715 years. The activity of this is…

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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: A precursor of modern-day bison is Bison latifrons. A fossil found in North Dakota was dated with…

A: Given that : The half-life of 14C is 5730 years. The initial concentration of 14C is 100 %. Out of…

Q: A sample of wood from an Egyptian mummy case has a specific activity of 9.41 d/min-g. How old is the…

A: Solution: We know that --- for a sample of wood from an Egyptian mummy which is related to…

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: After 4.00 years, 2,000g of a radioisotopes remains from a sample that had and original mass of…

A: There is some mistake in 1st part  If the left amount is 2.0g then half-life is itself 4 years

Q: The half-life of 238U is 4.5 * 109 yr. A sample of rock of mass 1.6 gproduces 29 dis>s. Assuming…

A: The given data contains, mass = 1.6 g. half life=4.5×109 year.

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

A: Given: The beta decay rate is measured at = 690 decays/min. sample from the totem pole contains =…

Q: Thorium, a rare element in the earth's crust, has over seven radioactive isotopes. Of of these Th…

A: The rate of the reaction is referred to the change in the molar concentration in the distinct…

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

A: Since this is a first order decay The rate constant with half life is given by…

Q: A shell fossil that originally contained 100 mg of carbon-14 non contains 75 mg of the isotope.…

A: Initial amount, [A]0 = 100 mg  Final amount, [A] = 75 mg  Half-life, t1/2 = 5570 years

Q: Answer the following questions regarding the radioactive isotope polonium-210 A.Write a nuclear…

A: Since. Your question has multiple subparts. We will solve only the first three sub-parts to get the…

Q: Magnesium-27 is an unstable radioisotope. For it to become stable, it has to undergo

A: Mg has 27 mass no. and 12 atomic number. Hence, it has 12 protons and 27-12 = 15 no. of neutrons.…

Q: After 52 hours of decay, only 0.06m of Cu-64 remains from the original sample of 1g. What is the…

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Q: -33. The number of radioactive nuclides in a sample decays from 1.00 × 1020 to 2.50 × 10º in 10.0…

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Q: What is the nuclear binding energy per nucleon of the most stable isotope Iron-56 in terms of…

A: Nuclear binding energy can be defined as the minimum amount of energy required to break down an…

Q: tled Section 46. The carbon-14 content of an ancient piece of wood was found to be one- sixteenth of…

A: we know Radioactive decay constant (K)= 0.693t1/2Given ,t1/2 = 5730 yearNow ,  K= 0.6935730…

Q: Enter your answer in the provided box. Strontium–90 is one of the products of the fission of…

A: Given-> Half life = 28.1 year Initial amount = 4.00 gm Final amount = 0.100 gm

Q: The half-life of Polonium-218 is 3.00 minutes.  How many half-lives pass after 18.0 minutes ?  The…

A: Concept - Radioactive decays are first order reactions. So we use the formula, Nt = No(1/2)n, where…

Q: Time (days) If the initial sample is 2.25 g, what mass of the original iridium-192 remains after…

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Q: The half-life of 87Sr is 2.80 h. Calculate how much time it would take for an isolated quantity of…

A: Time required to decay for a radioactive molecule,t = 2.303Klogaa-x Where a is the initial amount…

Q: After 3 half-lives, the activity of a radioisotope drops to _____ of the original. Group of answer…

A: We have to predict the activity with respect to original activity.

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

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Q: How many nuclei of Uranium-238 remain in a rock if the activity registers 558. decays per second?

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Q: In 1947 samples of the Dead Sea Scrolls were analyzed by carbon dating. It was found that the…

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Q: The half-life of C-14 is 5730 years. How many grams of carbon-14 will remain after 17190 years, if…

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

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Q: How many of the nuclei of a radioactive sample containing 2048 nuclei decay in 3 years, if it's half…

A: Half life of a radioactive sample is the time in which half of the sample is decayed i.e. 50% of the…

Q: Gold-198, a β-emitter used to test leukemia, has a half-life of 2.695 days. The standard dosage is…

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Q: In addition to the natural radioactive decay series that beginswith U-238 and ends with Pb-206,…

A: The natural radioactive decay series that begins with U-235 and ends with Pb is given below. Thus…

Q: A breeder reactor converts relatively stable Uranium-238 into the isotope Plutonium-239. After 5…

A: NOTE

Q: approximately 25,000 years. How many undecayed nuclei remain after 100,000 years? b) calculate the…

A: We will use first order kinetics formula

Q: Q3: Complete the nuclear reaction below and calculate the threshold energy of reaction that is…

A: We have been asked to complete the nuclear reaction and to calculate the threshold energy kf…

Q: Co-60 is used extensively in radiotherapy as a source of y - rays. Its half-life is 5.27 years. a)…

A: Given, t1/2 = 5.27 years (a) The time required to decrease the activity by 35% of its original value…

Q: carbon-14 activity

A: Given data, Basic equation is Ae = Ao x 0.5 (t / t1/2)   Therefore,

Q: The binding energy per nucleon of the nucleus 73 Li is approximately 5MeV. The total energy required…

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Q: What fraction of the decay energy is this, noting that the decay mode is π0 → ϒ+ϒ (so that all the…

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

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Q: Thoron has a high average annual radiation dose according to the graph. Iti eavy radioisotope formed…

A: No

Q: A 25-g sample of a pure radioisotope decayed until approximately 1 gram remains. If it took 245 days…

A: Given, A 25-g sample of a pure radioisotope decayed until approximately 1 gram remains. If it took…

Q: Identiy the missing particle in the following nuclear equation

A: We have given that  Identiy the missing particle in the following nuclear equation.  23892U…

Q: What is the approximate age of the artifact?

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Q: Write a nuclear reaction for each step in the formation of 208Pb from 228Th, which proceeds by a…

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Q: what is it's half-life?

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Q: Predict the mode of decay begin 65^ Ni undergoes.

A: The heavier isotopes having mass number more then 200 under go alpha decay. Light isotopes( mass…

Types of Polymers on the basis of Method of Preparation