11 C, used as a tracer in PET scans and C, used in dating organic materials are unstable isotopes of carbon. Calculate the N/Z ratio and write balanced spontaneous decay reactions for both atoms.

Q: An unknown radioactive element decays into non-radioactive substances. In 700 days the radioactivity…

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Q: As recently as the late 1970s, some wrist watches were manufactured using tritium (3H) as a…

A: t1/2 of 3H = 4500 days 43 years ago, a watch was purchased.

Q: An unknown radioactive element decays into non-radioactive substances, In 910 days the radioactivity…

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Q: 29 20. What information cannot be determined from the symbol notation 14.Si? O the element the mass…

A: Information  which can not be determined  by above symbol are as follow.

Q: Part of the actinium radioactive series can be represented as follows. The symbols above the arrows…

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Q: Compare and contrast the four major types of radiationproduced by nuclear decay

A: Compare and contrast the four major types of radiation produced by nuclear decay.

Q: Lithium-6 is formed from the electron capture of what substance?

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

Q: Potassium ion is present in foods and is an essential nutrient in the human body. One of the…

A: Since your question has multiple sub-parts, we will solve only first three sub-parts for you. If you…

Q: Trace the production of radionuclides in a cyclotron

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Q: 49. 19b. Calculate the energy released in joules per mole of uranium splitting. Answer in scientific…

A: Since you have posted multiple independent questions in the same request, we will solve the first…

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: Consider this statement: Balancing nuclear decay equations and other nuclear reactions are like…

A: A chemical equation is a description of a chemical reaction in the shape of substances. A balanced…

Q: How long will it take for 50% of a sample of ³'I to decay?

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Q: Complete and balance the following nuclear equation:c. Litium-7 + Hydrogen-1 ---> X. With solution…

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Q: 17. Which of the following is not a disadvantage of nuclear fusion reactions? O Nuclear fusion…

A: Since we know that nuclear fusion reaction occurs at very High temperature i.e 10-15 million Kelvin…

Q: An old wooden bowl unearthed in an archeological dig is found to have one‑fourth of the amount of…

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Q: Write the balanced nuclear reaction for the decay of iodine-137 to xenon-137.     Write the balanced…

A: Introduction : In a nuclear decay reaction  total mass number , atomic number of reactant side will…

Q: Radioactive decay is usually. Select one: O a. second order Ob. first order O c. zeroth order O d.…

A: The process in which an unstable atomic nucleus releases energy in the form of radiation is known as…

Q: Write down the performance requirements of nuclear fuel for use in fission reactors. Hence, describe…

A: Nuclear fuel is materials used in nuclear power stations to produce heat to power the turbines it…

Q: Iodine-131 is a convenient radioisotope to monitor thyroid activity in humans. It is a beta emitter…

A: To find: why is NaI a good choice for the source of the iodine.

Q: 21.28Complete and balance the following nuclear equations by supplying the missing particle: ),N +…

A: Given unbalanced nuclear reactions are : a). 7N14 + 2He4 --------> ? + 1H1  b). 19K40 + -1e0…

Q: 21. 2 jHeliumj atoms undergo fusion.

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

Q: Consider 1 mole (238 gm) of isotopically pure uranium U-238. Calculate its activity for the next 1…

A: Given: The molar mass of uranium = 238 g/mol. The given mass of uranium = 238 g. The number of moles…

Q: Compare the (p, n) reaction to b--decay. How are the Q values for these two processes related?

A: p reaction of b-- decay : Beta decay occurs when, in a nucleus with too many protons or too many…

Q: The unit of activity equal to 3.700X1010 disintegration per second is   Sievert Bequerel Curie…

A: There are several units used commonly to measure the radiological activity in terms of…

Q: List the nuclear reactions required to produce 233U from 232Th under fast neutron bombardment. (Fill…

A: The reactions in which nucleus of one element converted into the nucleus of another element is known…

Q: A beta-emitter would be safely stored by all the following except   wrapped in a piece of aluminum…

A: Correct answer is, wrapped in a piece of paper . out of all the three rays, alpha , beta and gamma.…

Q: The average energy released in the fission of a singleuranium-235 nucleus is about 3 x 10-11 J. If…

A: The energy released in the fusion of one uranium-235 nucleus is 3 × 10-11 J. The energy converted by…

Q: 3. How long will it take for 85% of the nickel to undergo decay?

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Q: What is an important nuclear reaction (e.x. decay, fusion, fission)

A: In this question we have to explain what is an important nuclear reaction ( decay , fusion , fission…

Q: If ötzi were indeed a recent corpse, made to look old by the harsh weather conditions found on the…

A: A radioactive substance can be defined as the substance that decays naturally and releases alpha…

Q: Representations of three nuclei (with neutrons gray andprotons purple) are shown below. Nucleus 1 is…

A: The nuclear process that deals with the conversion of an unstable nucleus to a more stable nucleus…

Q: Part of the actinium radioactive series is represented in the diagram below: The symbols below the…

A: In this radioactive decay happen of three types 1. In Alpha decay atomic number decrease by 2 unit.…

Q: (a) Chlorine has two common isotopes, one of nucleon number 35 and one of nucleon number 37. The…

A: An atom consist of an extremely small and dense nucleus and extra nuclear space .The nucleus…

Q: Fusion reaction pathways in the Sun begin with the two steps 2 1 1H → 2 1H + e ? + νe + 1.442 ? 2 1H…

A: In Sun, nuclear fusion takes place where two atomic nuclei are added to form a new nucleus. and…

Q: Iodine-131 is an important radioisotope of iodine that has a radioactive decay half-life and is…

A: Half llife: it is the time taken by a certain amount of a radioactive isotope to disintegrate to…

Q: Explain why Neon -23 is unstable

A: Isotopes are variants of a particular chemical element which differ in neutron number, and…

Q: Now consider the following nuclear reaction: ²H + ³H He +

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Q: Use the table to the right to answer the following question. Item How many kilograms of isotope…

A: Introduction: Nuclear energy is produce from the nuclear reactions. The reaction can nuclear fission…

Q: Directions:  Read the following problem and solve the following questions. Show your complete and…

A: 0.56 grams of 90Sr has a half-life of 28.8 years .We have to calculate the activity of the…

Q: A nuclear power station delivers 1 GW of electricity for a year from uranium fission. Given that a…

A: Given: Power generated for a year = 1 GW 1 year = 365 x 24 x 3600 seconds So, Energy = Power x time…

Q: A sample of charcoal analyzed in 1995 had an activity of "C = 7.45 dpm g. a. Calculate the age of…

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Q: The energy from solar radiation falling on Earth is 1.07 * 1016 kJ>min. If the energy released in…

A: 202.5 MeV energy per atom of U-235 is released in the nuclear fission of U-235 to Ba-141 and Kr-92.…

Q: The radioactive isotope carbon-14 is used for radiocarbon dating. The half-life of carbon-14 is…

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Q: How is technetium-99 used in medical diagnosis

A: Radioactive isotopes are also known as radioisotopes are the atoms that possess unstable…