What do you mean by Q-value of s the nuclear reaction? Explain significance of a positive and a negative O-value. Find the threshold energy for 13N. where the the reaction 13 °C(p.n) Q-value is 3-236 MeV.

Q: 14C is a radioactive isotope of carbon, with a half-life of 5730 y. If a mastodon tusk contains…

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Q: What is the rate constant if 40% of 0.25 M H2O2 is spent in 50 minutes from the second degree decay?

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Q: NUCLEAR REACTIONS Nickel-56 decays with a half-life of 6.075 days. 1. Write the balanced nuclear…

A: Nickel 56 have atomic number 28 and have atomic 56. When nickel decay positron (beta positive) then…

Q: A subject receives a dose of metastable technetium-containing contrast (99Tc; 99m-Tc). This isotope…

A: To determine the time of safe reach , we would calculate determine the fraction of substance…

Q: 1. The half-life. of a radioactive isotope a) displays 1st order kinetics b) is independent of the…

A: Characteristics of Radioactive materials

Q: The half-life for the (first-order) radioactive decay of 14Cis 5730 a (1 a is the Sl unit 1 annum,…

A: Given that : Half-life of first order reaction = 5730 year Age of wood =?

Q: Assuming conservation of momentum, what is the energy of each γ ray produced in the decay of a…

A: The energy of γ can be determine by,

Q: The half-life of 32P is 14.3 days. You count a sample containing 32P and obtain 32,450 cpms. You add…

A: Radioactivity refers to spontaneous disintegration of a substance on itself. The radioactivity of a…

Q: The half-life of 42K is 12.5 h. How much will remain after 101 h if the original sample contained…

A: Given: The half-life of 42K = 12.5 h. Initial amount of sample =256 g Time =101 h To determine:…

Q: The favorite nuclide used in positron emission tomography (PET scan) to follow glucose metabolism is…

A: Decay process of fludeoxyglucose F-18 is given below,

Q: You are on a geology field trip to the La Brea Tar Pits, and you find a jaw bone from a…

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Q: 9. Estimate the age of pollen found in peat swamps left by a glacier. ASsume that only 1/8 of the…

A: All natural and artificial radioactive decays follows first order kinetics The half life (t1/2) in…

Q: (b) What do you mean by Q-value of s Explain nuclear reaction? the significance of a positive and a…

A: Given,  # Defination Q-value of a nuclear reaction. # significance of positive and negative Q-value.…

Q: Identify the unknown particle X in the following nuclear reaction equations. (Enter your answers i…

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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: The reaction of Glucose with oxygen is given as: CHO, +60, 6CO, +6H,0 12 9. For a solution of 108.5…

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Q: Determine the time required for a sample of cesium-137 to decay until only 1/8 of the original…

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Q: The isotope 32P emits radiation and has a half-life of 14.3 days. Calculate the decay constant in…

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Q: Vhich of the following is the half-life ( in days Jof a radioisotope if it decays to 10.5% of its…

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Q: Radioactive cobalt-60 is used extensively in nuclear medicine as a x-ray source. It is made by a…

A: The rate constant (k), half lifetime t12 is connected by the following equation: k=0.693t12…

Q: Nitrogen-13 is used in tracers injected into the bloodstream for positron emission tomography (PET),…

A: Hii there, since there are multiple questions posted. We are answering first question. If you need…

Q: Technetium-99m is an ideal radioisotope for scanning organs because it has a half-life of 6.0 h and…

A: Given, Half life of Tc-99 is ---- 6.0hours Initial amount of Tc-99 is--- 78.7mg How much amount of…

Q: If a radioactive isotope has a rate constant for decay of 0.0650 min–1, what fraction of this…

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Q: What is the half-life of N2O5 at 70∘C?

A: For first order reaction, t1/2 = 0.693/k where t1/2 = half life of the reaction k = rate constant…

Q: The half-life of U23892 undergoing α-decay is 4.5 × 109 years. What is the decay rate for a 1.0-g…

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Q: f In 2 Half-Life uses the formula N (t) = Noe. No = Initial Amount %3D t = time h length of…

A: Given: The initial amount of Chromium 51 = 85 mg The half-life of Chromium 51 = 27.7 days We have to…

Q: 56FE + ža on + 2Fe

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Q: For the reaction below, choose the answer that correctly completes the nuclear reaction. Li+ →2;He…

A: Nuclear reaction: A nuclear reaction must cause a transformation of at least one nuclide to another.…

Q: alf-life of a radioactive substance is 3.8 hrs. After how many hours 30% of its original value…

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Q: The graph below shows the rate of decay of the radioactive isotope K- nto Ar-40 and Ca-40. Analysis…

A: Given : We have to calculate half life of the reaction.

Q: What is the half-life (in y) of a radioisotope if it decays to 25% of its radioactivity in 13.5…

A: The formula for radioactive decay constant of a radioactive reaction is as follows :- k = 2.303t log…

Q: The ratio between the number of tritium ({T; radio active isotope of hydrogen) and hydrogen in water…

A: Answers are explained below.

Q: For the reaction below, choose the answer that correctly completes the nuclear reaction. Li+_→2;He -…

A: Assuming the missing element is AZX. Hence the reaction given can be written as, => 73Li + AZX…

Q: The radioactive isotope phosphorus-32 is often used in biochemical research. Its half-life is 14.28…

A: Given: The half-life of phosphorus-32 is 14.28 days. The mass of sample of K332PO4 is 118 mg.

Q: 5. TI-201 can be used to assess the damage to the heart muscle in a person who has suffered a heart…

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Q: Complete the decay process that is showing below and naming the unknown product also find the…

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Q: How do we know what is the most probable mode of decay, what set of rules do we follow when finding…

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Q: Question 10

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Q: A sample of sodium-24 was administered to a patient to test for faulty blood circulation by…

A: Given that, Half life of sodium24=15 h We have decay constant, k=0.693t12..............1 we have an…

Q: The decay constant of 235U is 9.8 × 10^−10 y^−1. How many 235U atoms will remain in a 1.0 µg sample…

A: Given,

Q: Half-Life Equation N(t) = No To find the half-life t/2= t(In2) In(No)- In(N) N(t) quaniky of the…

A: As per our guidelines, we can only solve first three questions. Please resubmit other questions as…

Q: The isotope 32P emits radiation and has a half-life of 14.3 days. Calculate the decay constant in…

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Q: 0.0736t wheret is in days. A particular compound decays according to the equation y = ae Find the…

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Q: Phosphorus-32 has a radioactive isotope used as a tracer in the liver. The half-life of…

A: All radioactive decay reactions follow first order kinetics Given  Half life of Phosphorus-32 (t1/2)…

Q: A radioactive sample has a decay constant of 1.32 x 10-3 h-1. What is its half life?

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Q: A patient swallows a radiopharmaceutical tagged with phosphorus-32 ( 32P), a B- emitter with a…

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Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.