Which of the following are required characteristics of an isotope to be used as a fuel in a nuclear power reactor? (i) It must emit gamma radiation. (ii) On decay, it must release two or more neutrons. (iii) It must have a half-life less than one hour. (iv) It must undergo fission upon the absorption of a neutron

Q: Which of the following types of radioactive decay has the greatest relative biolo O a) neutron…

A: Here the first is not complete so i am doing the second question. If want the answer please repost…

Q: Write a nuclear equation to describe the neutron induced fission of Pu-240 to form Kr-89 and Ce-149,…

A: Note: As per the guidelines, solution of the first question has been made. For the expert solution…

Q: In the context of energetics of nuclear reactions, the greater the nuclear binding energy, the less…

A: Option B) False  Nuclear binding energy is defined as the energy released when the nucleus is formed…

Q: Which of the following is NOT a possible result of nuclear decay? a. ultra violet radiation O b.…

A: Answer - The correct option is - (a) Ultraviolet radiation    Nuclear  decay is the process by which…

Q: A patient is given 0.500 ug of technetium -99m, a radioactive isotope with a half-life of 6 hours.…

A:

Q: Write the nuclear reaction for the neutron-induced fission ofU-235 to form Xe-144 and Sr-90. How…

A: Neutron induced nuclear reaction is the fission induced by neutron, which takes place when a neutron…

Q: Selenium-73 decays by positron emission with a half-life of 7.15 hours. What mass remains from a…

A:

Q: A radioactive isotope decays from 60 grams to 15 grams in 20 seconds. What is its half-life?

A: Given is the radioactive isotope.We know any radioactive decay follows first order  reaction…

Q: Explain what is meant by the binding energy of an isotope

A: Isotopes are two or more atoms that have the same atomic number but different mass numbers. The…

Q: Tritium, H, is more commonly known as fusion fuel but is itself relatively unstable, with a…

A: Unstable nuclei undergo radioactive decay process by the emission of highly energetic particles ,…

Q: What is the half life of a radioactive sample , if 3/4 of its nuclei decay in 2 years ?

A: Given:The amount of nuclear decay in 2 years = ¾ th of initial massAssume that the initial mass =…

Q: A radioactive sample contains 1.55 g of an isotope with a half-life of 3.8 days. What mass of the…

A: The process in which energy is lost by unstable atomic nucleus via radiation is known as radioactive…

Q: Transuranium elements are artificial and may be prepared by a fusion process in which heavy nuclei…

A: In nuclear reactions, the total number of protons and neutrons remains the same. They involve only…

Q: (a) Which of the following are required characteristics ofan isotope to be used as a fuel in a…

A: (a) The fuel in nuclear power reactors undergoes fission reaction. It undergoes fission and form…

Q: Predict the mode of decay of (a) plutonium-239, (b) indium-12o?

A: Pu-239 undergoes alpha decay and forms U-235. Alpha decay leads to decrease in atomic number by 2…

Q: 2) If 20.0 g of a radioactive isotope are present at 1:00 PM and 5.0 g remain at 2:00 PM, what is…

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

Q: Of the following nuclides, two are radioactive. Which are radioactive and which is stable?

A:

Q: What other isotope besides tellurium-137 is produced by nuclear fission of uranium-235?

A: Radioactive decay refers to the breakdown of an unstable nucleus to a stable nucleus with the…

Q: 3. a) In the following example of nuclear fission, provide the symbol of the missing product. 'on +…

A: The fill in the blanks has to be filled.

Q: The neutron-induced fission of U-235 produces Ba-140 and Kr-93, along with 3 neutrons. Use the…

A: Given: neutron-induced fission of U-235 produces Ba-140 and Kr-93, along with 3 neutrons. And the…

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

A: The number of nuclei of a radioactive sample containing 2048 nuclei that decays in 3 years is to be…

Q: Which of the following statements regarding nuclear stability is incorrect? A) Isotopes with an N/Z…

A: The incorrect statement is:- Electron capture is the most common mode of decay for smaller isotopes.

Q: A 2.5 gram sample of an isotope of strontium-90 was formed in a 1960 explosion of an atomic bomb at…

A: GIVEN:  To Find: Solution: As we know, For First order decay

Q: When plutonium-239 undergoes nuclear fusion with one neutron, it produces tellurium-135, 3 neutrons…

A: With the production of more energy and more neutrons, Plutonium - 239 undergoes nuclear fission.…

Q: 2. If a sample known to be about 17190 years old has 400 carbon-14 atoms, how many atoms were in the…

A: When organism died absorption of C-14 stops and starts diminishing. The radioactive decay follows…

Q: isotope with a half-life of about 22 minutes. How much time will it take for a sample of Fr-223 to…

A: Radioactivity follows first order kinetics,  Half life time (t1/2) = 22 minutes  k = 0.693/t1/2 =…

Q: The spent fuel elements from a fission reactor are much more intensely radioactive than the original…

A: Given: The spent fuel elements from a fission reactor are much more intensely radioactive than the…

Q: B// If the energy released by fission of U235 is 0.513×1025. Find the weight of U2352 (Avogadro's…

A: A uranium-235 atom absorbs a neutron and fissions into two new atoms (fission fragments), releasing…

Q: Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the 14C has decayed to…

A: For each half life, the specimen decays half the amount of initial amount.

Q: You are working in a facility with a linear accelerator which may be used to measure the level of C…

A: Radioactive decay is a process in which unstable atomic nuclei emit energy in the form of…

Q: The common isotope of uranium, 238 U, has a half-life of 4.47 x 109 years, decaying to 234 Th by…

A: All radioactive decay processes follow first order reactions. Calculating rate constant for first…

Q: The total mass of reactants of nuclear reaction of Fe-56 nucleus is 55.921 amu, and the total mass…

A:

Q: If one-trillionth of the atoms of a radioactive isotope disin-tegrate each day, what is the decay…

A: One trillionth of radioactive isotope decay takes place in a day. I trillion = 1.0 x 1012  The…

Q: Transuranium elements are artificial and may be prepared by a fusion process in which heavy nuclei…

A: In any decay reaction the total atomic number of reactants will be equal to total atomic number of…

Q: In another process in which 235-92 U undergoes neutron bombardment, the following reaction occurs:…

A: The given reactio is :

Q: 3.) The Radioactive nuclide co has a half-Life of 8.5 hours, 55 27 what mass of Co Temains from a.…

A: Mass of sample remains after 18 hours is       0.0045 g.

Q: Complete the following nuclear bombardment equation by filling in the nuclear symbol for the missing…

A: A unstable radioactive will undergo radioactive decay by obeying the law of conservation of matter…

Q: Transuranium elements are artificial and may be prepared by a fusion process in which heavy nuclei…

A: Balancing nuclear reactions :- In case of nuclear reactions following conditions are satisfied   sum…

Q: The naturally occurring radioactive isotope 232Th does not make good fission fuel, because it has an…

A: A radioactive reaction involves the collision of a nucleus with some other subatomic particle and…

Q: Which of the following poses a greater health hazard: a radioactive isotope with a short half-life…

A: Radioactive isotopes of an element can be defined as atoms that contain an unstable nucleus and…

Q: What is the half life of a radioactive sample, if3/4of its nuclei decay in 2 years?

A: The amount of nuclear decay in 2 years = ¾ th of initial massAssume that the initial mass = 1The…

Q: What is the half‑life of an isotope that decays to 3.125%3.125% of its original activity in 41.8 h?

A: All radioactive decay follows first order kinetics. The half-life t1/2 of the radioactive decay is…

Q: When a radioactive isotope decays and the resulting isotope is also radioactive, it will decay, and…

A: a. Half-life of Rn-222 is 3.8 days.

Q: Many nuclear reactions used in nuclear reactions emit more neutrons than what is used to initiate…

A: Answer - The correction option is (d) Nuclear chain reaction - A nuclear chain reaction occurs when…

Q: What is the primary use of isotopes in medicine and biological research?

A:

Q: You are working as a technician in the radiology department of a large hospital. One of the…

A: The relation between activity, total time and half-life is shown below:

Q: What isotope is produced when U-238 absorbs a neutron?

A: Isotopes are those elements which have same atomic number but different mass numbers. There are many…