Which of the following radioactive nuclei is most likely to decay via emission of a b- particle? (a) nitrogen-13 (b) magnesium-23 (c) rubidium-83 (d) iodine-131 (e) neptunium-237

Q: Which of the following statements relating to indirect radiochemical interactions is INCORRECT?

A: D option is incorrect

Q: Calculate the binding energy (in Joules per nucleon) of 37Cl17 with a nuclear mass of 36.97031 amu

A:

Q: The element berkelium, first prepared at the University of California at Berkeley in 1949, is made…

A:

Q: . Suppose that an 85.0-g laboratory animal ingests 10.0 mg of a substance that contained 2.55% by…

A: Amount of Pu-239 ingested in animal = 2.55 % of 10 mg  Amount in mass =

Q: 5. The following nuclei do not lie in the band of stability. How would they be expected to decay? a.…

A: Radioactive decay generally occurs to change the N/Z (neutron/ proton) ratio to achieve the greater…

Q: Calculate to five significant figures the binding energy in J/nucleon of the nucleus of an atom of…

A: Given:: mass of Fe = 55.9349 amu mass of proton = 1.0078 amu mass of neutron = 1.0087 amu

Q: What fraction of the mass of a single 238U is destroyed in the decay? The mass of 234Th is…

A:

Q: 21.11) If a radioactive isotope has a mass defect of 0.1462 amu calculate its binding energy in…

A: Given: Mass defect of radioactive isotope is 0.1462 amu

Q: What is the binding energy per nucleon (in J) and per mole (in kJ) of a selenium-83 nucleus? The…

A: The binding energy per nucleon (in J) and per mole (in kJ) of a selenium-83 nucleus can be…

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: The nuclear masses of 7 Be, 9Be, and 10Be are 7.0147, 9.0100, and 10.0113 amu, respectively. Which…

A: Given: Nuclear mass of 7 Be = 7.0147 Nuclear mass of 9 Be = 9.0100 Nuclear mass of 10 Be = 10.0113…

Q: 31. Uranlum 235 decays to Lead 207 with a half-life of 0.7 billion years. What Is age of a rock…

A:

Q: A mammoth skeleton has a carbon-14 decay rate of 0.48disintegrations per minute per gram of carbon…

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

Q: The isotope N-14 has an atomic mass of 14.003074 amu. What is the mass defect for the formation of…

A: We have  Mass defect (∆m)= mtheoretical  - mC13 Mass of electron = 0.00054858 amu, Mass of proton =…

Q: Which of the is the correct B external negative decay of lead- 212

A: The answer is given below

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: What is the half‑life of an isotope that decays to 6.25%6.25% of its original activity in 57.1 h?

A: The half-life of the isotopes can be described as the time at which the amount of the activity…

Q: The half-live of americium-241 is 432 y. If 0.0002 g of americium-241 is present in a smoke detector…

A: Given: Mass of isotope = 0.0002 g. Half-life of isotope = 432 yr.

Q: Would fusing two stable nuclei that have mass numbers in the vicinity of 100 be anenergy-releasing…

A: No. Stable nuclei that have mass numbers around 100 are the most stable nuclei. This should not form…

Q: 2. If you started with a sample of 600 radioactive nuclei, how many would remain undecayed after 3…

A:

Q: The mass defect of nuclei (141X ) is 1.29 amu. Estimate the total binding energy per nucleon in…

A:

Q: What is the mass defect for americium-241 if the mass of the nucleus is 241.05682 u? Calculate the…

A:

Q: A 26.00-g sample of water containing tritium, 31H, emits1.50 x 103 beta particles per second.…

A: In radioactive decay, radioactive atom's nuclei (unstable) eject energy as well as charged particles…

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: 2. Gold-198 has a half- life of 269 days. What is the activity (in curies) o a 0.43 mg sample?

A: Activity is depends on the number of atom present

Q: the isotope needed, by identifying A, . fission reaction: and X, to nce the following lear 235…

A: The process in which nucleus of an atom is divided into two or more smaller, lighter nuclei is known…

Q: 3. If a radioactive sample had an activity of 5.0 mCi, how many disintegrations per second this…

A: We know that 1 Curie or 1 Ci= 3.7×1010Bq( bacquerel). And 5 mCi = 5×10-3Ci = 5×10-3×3.7×1010Bq.  =…

Q: What is mass defect and binding energy for C14 nucleus

A: The mass defect and binding energy can be calculated as

Q: What is the binding energy (in kJ/mol) for Ag-107? The mass of a hydrogen atom is 1.00783 amu, the…

A: For a nucleus, the binding energy is expressed as- B.E. =∆M.c2 Where ∆M is the mass defect in kg c…

Q: The naturally occurring radioactive decay series that beginswith 23592U stops with formation of the…

A: The naturally occurring radioactive decay series that begins with 23592U stops with the formation of…

Q: Phosphorus-32, 32P, is a radioactive isotope used in the treatment of leukemia. The half-life of $2P…

A: Radioactive decay of element is first order kinetics , in which half life of molecule is independent…

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

A: Half life of a radioactive sample is the time in which half of the sample is decayed i.e. 50% of the…

Q: If the half-life of a radioactive substance is 7,200 years, then at what rate is it decaying? (Hint:…

A: Half life of radioactive substance t12 = 7200 years Decaying rate (k) =?

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: Which of the following describe(s) the following reaction? Choose all that apply. 235U on 139Xe + 3…

A: Nuclear chemistry is branch of chemistry in which we deal with nuclear fusion and fission reaction.

Q: Which of the following describes the reaction: 218 Po →°,e+ 218 At 85 At 84 positron emission alpha…

A: As a result of positron emissions atomic number decreases by one in product side , and as a result…

Q: The band of stability represents nuclei that are not likely to undergo radioactive decay. True False

A: (a) We know that Band of stability is the stability of elements determined by the ratio of the…

Q: An alpha particle is accelerated to 23.1 MeV per particle. What is this energy in kJ/mol?

A:

Q: Predict the mode of decay of (a) plutonium-239,(b) indium-120.

A: (a) Plutonium-239: The atomic number (Z) of plutonium ( Pu) is 94. So, plutonium-239 has 94 protons…

Q: Complete and balance the following nuclear reactions: a) If Zn-66 reacts to form Ni-62, what…

A: a).  If Zn-66 reacts to form Ni-62, an alpha particle is emitted by the Zinc in the reaction. In a…

Q: Which of the following statements is true of the nuclear binding energy of a nucleus? A) It is…

A: E = mc2 m = mass  c = speed of light Nuclear binding energy depend upon the mass Nuclear binding…

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 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: Q3 Radium-224 decays through the pathway a, a, a, ß, a, ß. What intermediates are formed in this…

A: Radioactive decay is the process of breakdown of radioactive nuclei to smaller nucleii till it is…

Q: the half life of molybdenum -99 is 67 hr. a 200 ug quantity decays, over time, to 25 ug. how much…

A: Here given, Initial amount (N0) = 200 ug Amount left undisintegrated (N) = 25 ug Half life (t1/2) =…

Q: Predict the mode of decay of (a) carbon-14, (b) xenon-118.

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

Q: A mammoth skeleton has a carbon-14 decay rate of 0.48 disintegrations per minute per gram of carbon…

A: Given,Carbon-14 decay rate of 0.48 dis / min · g CCarbon-14 decay rate of 15.3 dis / min · g C

Q: Strontium-89 is a beta emitter with a half-life of 50.6 days that is used in bone cancer treatment.…

A: Radioactive decay follows first order kinetics. t1/2 = 0.693/k   (where, k = decay constant) t =…

Q: A decay series starts with the synthetic isotope 23992U. Thefirst four steps are emissions of a β-…

A: The decay series of 23992U goes through two emissions of beta particles and two emissions of alpha…

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.