The specific activity of 14C in the biosphere is 0.255 Bq g-1 . What is the age of a piece of papyrus from an Egyptian tomb if its beta counting rate is 0.153 Bq g-1 ? The half-life of 14C is 5730 years.

Q: Calculate the binding energy (in MeV) Isotope A: cobalt-56 Isotope B: bromine-79

A: Given that  Isotope A: cobalt-56 Isotope B: bromine-79 For calculation of binding energy, we have a…

Q: A fragment of wood has a 14C activity of 0.0638 Bq/g. A living tree has a 14C activity of 0.2552…

A: Dear student,The half life of C-14 is not given in the question , but as it is a standard value we…

Q: The gallium-67 nuclide is used in tumor diagnostic applications. This has a half-life of 78.2 hours.…

A: given, half life =  78.2 hours  time = 5.00 days

Q: Isotopes X goes through a BETA decay and becomes isotape Y. isotape Y goes through an ALPHA decay…

A: The different types of radioactive decay are as follows; α-decay               ⇒             XZA  →…

Q: 3) A wooden spear shows "C activity of 92 disintegrations/hr. A living tree has a "C activity of 150…

A:

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: 108, 108In → 40- 48cd + ? Which of the following needs to be included on the right hand side in…

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Q: from the electron capture of (A)-168 is a daughter muclide with

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Q: How old in years is a bottle of a solution if the deuterium 2H content is 67% that of a new wine?…

A: Radioactive decay follows first order kinetics.  So, k = 0.693/t0.5 = 0.693/100 (1 century = 100…

Q: For a radioisotope where k=2.5x10-4yr-1, how old is a sample when only 10% remains? a 4,000 years b…

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Q: Na-24 with a half life of 15h is used to study blood circulation.if a patient is injected with a…

A: GIVEN : t1/2= 15h  N0=  2.5x109d/s  t = 4 days  λ = 24 / 15 = 8 / 5

Q: which radioactive process would turn Bi-184 to Pb-184?

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Q: Iodine 125 emits gamma rays when it decays to Tellerium 125 and has a half life of 60 days. It a…

A: The rate constant  for half life of 60 days is calculated as,

Q: A sample of cobalt-60 (t1/2=5.27 yr), a powerful γ emit-ter used to treat cancer, was purchased by…

A: Half life of radioactive element-is the time needed for given number of its nuclei to decay exactly…

Q: If the range of IMEV beta particles is 4g/cm2, then their range in air, water, and lead,…

A: Range of a beta particle indicates the distance it travels from source through the matter. It…

Q: When He-6 undergoes beta decay, what is the daughter?

A: A                     A             X →                Y + β- (Beta particle) + γe (anti nuteron) Z…

Q: Explain how you might use radioactive Fe-59 (a beta emitter with t 1/2= 44.5 days) to determine the…

A: Given: Half life of Fe-59 = 44.5 days let the initial amount of Fe-59 be 100 mg. Final amount of…

Q: At 8:00 a.m., a patient receives a 1.5-mg dose of I-131 to treatthyroid cancer. If the nuclide has a…

A: At 8:00 a.m., a patient receives a 58-mg dose of I-131 to obtain an image of her thyroid. If the…

Q: What product is formed when Ra-226 undergoes alpha decay Thorium-230 undergoes alpha decay C-14…

A: Since you have posted the question with multiple questions, we will solve the first question for…

Q: How old in years is a bottle of a solution if the deuterium 2H content is 67% that of a new wine?…

A: Half life = 1 century

Q: Carbon-14 Dating A wooden artifact from an ancient tomb contains 65% of the carbon-14 that is…

A: Given information is as follows; Half life = 5730 years Fraction remaining = 65% = 0.65 The given…

Q: A wooden artifact from an ancient culture has a l“C activity of 38.0 counts per minute. A new piece…

A: Radioactive decay follow first order kinetics. The decay constant for a first order reaction is give…

Q: How old in years is a bottle of a solution if the deuterium 2H content is 67% that of a new wine?…

A: Given data: t1/2=100 years , No= 100 , N= 67

Q: A fossil is found to have a 14C level of 68.0% compared to living organisms. How old is the fossil?

A: Using first order kinetics formula we can determine age of fossil.

Q: What is the age of mummified primate skin that contains 8.25% of the original quantity of 14C?

A: The half-life of C-14 is 5730 years. The formula for half-life is given by, t1/2=0.693k where k is…

Q: Define alpha (a) carbon

A: The group which when attached to the hydrocarbon by the replacement of H-atom that completely…

Q: When 60Cu undergoes electron capture , what is the immediate nuclear product? When 60Cu undergoes…

A:

Q: A sample of wood from an Egyptian mummy case has a specific activity of 4.71 d/min g. How old is the…

A:

Q: A sample of sodium-24 with an activity of 12 mCi is used to study the rate of blood flow in the…

A: Given:Half-life = 15hInitial amount [A]o = 12 mCi.

Q: 5.32 A sample of sodium-24 with an activity of 12 mCi is used to study the rate of blood flow in the…

A: Initial activity of sodium-24 = 12 mCi Half-life of sodium-24 = 15 h   The question requires to…

Q: Calculate the binding energy for Zn-64, in GJ.

A: The atomic number of Zn is 30 and the mass number of the given atom is 64. The number of protons…

Q: iron-59 is a radioisotope that is used to evaluate bone marrow function. The half- ife of iron-59 is…

A:

Q: Fluorine-18, an artificially produced isotope used in the medical diagnostic technique, PET…

A: 9F18 ---> 8O18   +     +1ß0  Or  9F18 ---> 8O18  +    +1e0 Therefore, The product of the decay…

Q: 1. Which of the ions given is the result of an alpha cleavage? (A) 29 (B) 31 (C) 43 (D) 56 (E) 70

A: the solution is shown below.

Q: Determine whether the following nuclides lie in a band of stability or not. If not classify the…

A: Here we have to name the given coordination complexes.

Q: Nitrogen-13 undergoes positron production. What is the name of the other product nuclide in the…

A: Radioactive decay or radioactive emission is the process by which an unstable nuclei emit a nuclear…

Q: When 24Na undergoes beta emission, what is the immediate nuclear product?

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Q: Phosphorous-32 is a beta emitter. What would its transmutation product be?

A: Definition: The radioactive transformation of an atomic nucleus accompanying the emission of an…

Q: The product of the nuclear reaction in which 28Si is subjected to neutron capture followed by alpha…

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Q: [8] A sample of °Kr (t1/2 = 32 s) is to be used in a study of a patient's respiration. How soon…

A: Solution  t1/2 = 32 s

Q: This reaction is an example of 210 Po  --->  206 Pb  +  ________ beta emission electron capture…

A: Alpha decay: In alpha decay, nucleus emits alpha particle which has two neutrons and two protons. It…

Q: 222Rn is an unstable nucleus that is hazardous. Several pathways are known for its decomposition.…

A: The unstable nucleus  222Rn can emits three alpha and four beta particles (α–β–α–β–α–β–β).  The…

Q: How old in years is a bottle of a solution if the deuterium 2H content is 67% that of a new wine?…

A:

Q: 32. The half-life of lodine-123 is 13 hours. If 10 mg of lodine-123 are administered to a patient,…

A:

Q: the carbon in a human skull  in South America contained 25% c-14 relative to living orginisms. How…

A: Half life for C-14 is t1/2 = 5730 yearsBut t1/2  = ln 2 / k5730 = ln 2 / kk = 1.2096x10-4 year-1 The…

Q: 28. Technetium-99 (atomic mass = 98.9 amu) is used for bone scans. It has a half-life of 6.0 h. What…

A: Activity formulaA = λN where λ is the disintegration constant and can be found out using half lifeλ…