What is the specific activity (in Ci/g) if 1.65 mg of anisotope emits 1.56X10⁶ α particles per second?

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: 2) What is the activity of a 1 gram sample of 1? (t12 = 3.38 x 10' seconds)

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Q: 60Co -->   60Ni + ____     Alpha emission     Beta emission     Positron emission…

A: Atomic number of Co is 27 and Ni is 28 Hence the reaction taking place is (Assuming the missing…

Q: Why is radiation therapy an effective treatment for certaintypes of cancer?

A: Radiation therapy is an effective treatment for certain types of cancer.

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

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Q: What is the specific activity (in Ci/g) if 2.6 g of an isotope emits 4.13X10⁶ β⁻ particles per hour?

A: Curie(Ci) -is number of disintegration per second in 1g of radium-226 1Ci=3.70*1010dps

Q: What is the binding energy (in MeV per nucleon) for the ⁶₃Li nucleus? Provide an answer to two…

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Q: The specific activity of 14C in the biosphere is 0.255 Bq g-1 . What is the age of a piece of…

A: Radioactive disintegration follows first order reaction and decay rate equation can expressed as,…

Q: Which of the following radiation would become attracted to the positive (+) end of a magnet? Alpha…

A: The process of emission of radiations from an atom that has a heavy nucleus is called radioactive…

Q: If only 50% of the original amount of a radioisotope remains, a. half the time has gone by b. after…

A: Half life :-  in radioactivity, the interval of time required for one-half of the atomic nuclei of a…

Q: What is the specific activity (in Bq/g) if 1.07 kg of an isotope emits 3.77 × 10' B¯ particles per…

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Q: If a nuclide has n/p > 1, it emits * beta positron gamma alpha

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

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

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Q: Fluorine-18 is a radioactive isotope commonly used in medicine.  It has a half-life of 110 minutes.…

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Q: At a distance of 38 ftft , an ionizing radiation source delivers 6.5 remrem of radiation. How close…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: When a radioisotope is used as a tracer, it is used a. for therapeutical purposes b. to kill…

A: Given,  A radioisotope is used as a tracer. Trace element is the one whose concentration is very…

Q: What is the specific activity (in Bq/g) if 1.07 kg of anisotope emits 3.77X10⁷ β⁻ particles per…

A: Specific activity of a radioactivity is the quantity of radioactivity per unit mass of radionuclide,…

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: Gold-198 has a half-life of 2.69 d. What is the activity (in curies) of a 0.760-mg sample? Activity…

A: Given- Half life = 2.69 d Mass of sample = 0.760 mg Gold-198   To find- Activity in curies…

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: Half life of radionuclide is 15.0 minutes. How many grams of 10.0 g will remain after 2.00 half…

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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 two ways are radioactive tracers used in organisms?

A: To find: Two ways in which radioactive tracers used in organisms

Q: Which nuclear reaction will Fe-58 most probably undergo to obtain a stable binding energy per…

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

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Q: Determine how old a sample of paper is if it has an activity of 8.67 disintegrations per minute per…

A: Given: Activity of the sample of the paper =8.67d/min * g Specific activity ratio (Initial decay…

Q: If 1.00 mol of 235 U decays by alpha emission, what quantity of energy (in kJ/mol) is liberated by…

A: During any nuclear reaction the change in mass is converted into energy.  Atomic mass of 92U235 =…

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

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

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Q: What nuclide is formed when ²¹Na undergoes positron emission? A) ²²Na B) ²¹Ne C) ²¹Na D)…

A: Positron emission or beta plus decay (β+ decay) is a type of radioactive decay in which a positron…

Q: 7. What is the symbol for a positron? +1 e -1 +1

A: Positron is particle which don't have any mass but it has unit positive charge .

Q: Calculate the nuclear binding energy in MeV/nucleon

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Q: what is the energy deposited by an alpha particle while passing through a cell of size 10 μ

A: In this question we habe to explain what happened when the alpha particle passing through a cell of…

Q: What happens to teh binding energy if the mass number increases? Explain further

A: Atomic binding energy is the energy required released when many free nuclear particles are joined…

Q: The binding energy per nucleon for 56 26Fe is 8.79 MeV/nucleon. What is the mass, in amu, of a…

A: Binding energy is the amount of energy required to break the attractive interactions between two…

Q: A new painting supposedly painted by Michelangelo (1475-1564) is authenticated by C-14 dating. The…

A: The radioactive decay of an element follows the first-order kinetics. Therefore, the integrated rate…

Q: why a physician would use an isotope with a shorter half- life to diagnose or treat patients

A: Radioactive elements are those which which emits radiations. In simpler words, an unstable nuclei…

Q: What is the activity, in curies, of a source that has 1.3 × 10° disintegrations per second? (1 Ci =…

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Q: What percentage of Technituum-99m would remain in your body 24 hours after injection with this…

A: Given,

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

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Q: What is a positron?

A: An atom has three sub-atomic particles namely, protons, neutrons, and electrons. The atom's mass is…

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: Calculate the nuclear binding energy of 35A17 in MeV per nucleon, if its mass deficiency is 0.352…

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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: Electron capture transforms ⁴⁰₁₉K into what nuclide? A) ⁴⁰₂₀Ca B) ⁴⁰₁₈Ar C) ⁴₂He D) ⁴⁰₁₉K…

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

Q: What is the specific activity (in Bq/g) if 8.58 μg of anisotope emits 7.4X10⁴ particles per minute?

A: Given, 8.58 μg of anisotope emits 7.4X10⁴ particles per minute

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

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Q: Uranium235 decays to a form of Pb207 with a half-life of 710 million years. If an outcrop of rock…

A: Half life of the parent isotope = 7.1 × 108 years Since radioactive decay follows first order…