The mass defect for some nuclear decay of an isotope is .33366 amu. How much energy is released when 1 mole of this isotope decays? (c = 3x10⁸m/s) A) 10.1x10¹ kJ B) 3.0x10¹⁰ kJ C) 2.5x10¹⁰ kJ D) 2.1x10⁹ kJ

Q: Uranium -238 decays in a series of steps to Pb-206. When the material is very old, one can treat the…

A: Radioactive decay follows 1st order reaction.  Given the half-life, t1/2 = 4.50*109 yr

Q: A dinosaur remain has a C-14 isotope and has a half-life of 5,715 years. The activity of this is…

A:

Q: binding energy per nucleon for S-32.

A: Given: 32S – 31.9633 amu. Number of protons and neutrons in S are 16 and 16 respectively.

Q: The carbon-14 activity of an artifact from a burial site was 9.2 min'gl. The half-life of carbon-14…

A: The C-14 decay reactions are first order reactions. Since we know that the relationship between the…

Q: n the following fission reaction, identify the missing product.                23592U  +  10n  -->…

A: In nuclear chemistry nuclear fission is a nuclear reaction. It is a radioactive decay process.  In…

Q: (b) What mass (in g) of 24Na produces 7.0 mci activity, given its half-life is 15.0 h? Additional…

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Q: A freshly prepared sample of a certain radioactive isotope has an activity of 10.2 mCI. After 3.70…

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Q: 18. What is the decay constant (in Ci/g) for a 5.25g sample of uranium-238 if it emits 1.25E6…

A: Rate of disintegration or the decay process follows the 1st order kinetics. Let us discuss the…

Q: You take a course in archaeology that includes field work. An ancient wooden totem pole is excavated…

A: Given: The beta decay rate is measured at = 690 decays/min. sample from the totem pole contains =…

Q: Answer the following questions regarding the radioactive isotope polonium-210 A.Write a nuclear…

A: Since. Your question has multiple subparts. We will solve only the first three sub-parts to get the…

Q: A nuclear technician was accidentally exposed to potassium-42 while doing brain scans for possible…

A: Given, Half life of potassium -42 = 12 hr activity of potassium -42 after 36 hr of exposure = 4.0 μC

Q: Write the nuclear reaction when cobalt-60 decays to nickel-60. Include the particle emitted, A, & Z.

A: Here A - atomic mass Z - atomic number

Q: The mass defect for some nuclear decay of an isotope is .27805 amu. How much energy is released when…

A: The minimum energy needed for decommissioning the nuclear nucleus in its component parts is nuclear…

Q: If the mass of a proton is 1.007825 amu and the mass of a neutron is given as 1.008665 amu, If the…

A: The combined mass of two neutrons and two protons can be calculated as,

Q: An ancient skull has a carbon-14 decay rate of 0.85 disintegrationsper minute per gram of carbon…

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Q: What is the nuclear binding energy for a mole of helium, He-4, whose atomic mass is 4.00260? (1 mol…

A: Ans

Q: How many half-lives have passed in each of the following situations? (a) Initially the sample is…

A: SOLUTION: Step 1: (a). Half-life is the interval of time required for one-half of the atomic nuclei…

Q: Bromine-80 has a mass defect that is equal to -1.15x10⁻⁷ kg. Determine the binding energy per…

A: Mass defect of Bromine= - 1.15×10-7 Now, Binding energy per nucleon is given by, ∆E = ∆mc2

Q: The nuclear reaction that powers the radioisotope thermoelectric generator shown in the…

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Q: 16) What total energy is released when 0.75 grams of 235U undergo fission if each atom averages 3.2…

A: Atomic mass of 235U is 235 g/mol approx Given : mass of 235U = 0.75 g

Q: A rock containing 238U and 206Pb was examined to determine its approximate age. The molar ratio of…

A: Given half-life of U-238, t1/2 = 4.500*109 year  Decay constant, λ = 0.693t1/2 => λ =…

Q: (a) What mass of Na₂38SO4 has an activity of 11.7 mCi? Sulfur-38 has an atomic mass of 38.0 and a…

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Q: Which of the following statements best describe the difference of nuclear reactions and chemical…

A: A multiple choice question based on chemical reactions, which is to be accomplished.

Q: For the fusion reaction shown, calculate the change in energy of the reaction in units of joules per…

A:

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

A: Radioactive isotopes may occur naturally or be artificially produced. Radioactive isotopes possess…

Q: Randon gas has atomic number 86 and mass number 222. Randon is radioactive and decays via alpha-…

A: Given: Randon gas has atomic number 86 and mass number 222. Randon is radioactive and decays via…

Q: 1. This question is about nuclear chemisty. a) What is the age of a mummy, given a 14C activity of…

A: (a) To find the age of mummy, Given that: Current 14C activity = 8.5 min-1 g-1 Activity just before…

Q: The radioactive isotope I decays by electron capture. If the mass of a sample of iodine-123 decays…

A: Interpretation -  To determine the half life of iodine-123 when mass of sample of iodine-123 decay…

Q: days. show solution 1. Write the balanced nuclear reaction of Ni-56 as it undergoes positron…

A: Given, Half life (t1/2) = 6.075 days 1. Balanced nuclear reaction  28Ni56 --‐-> +1e0 + 27CO56 2.…

Q: The mass defect for some nuclear decay of an isotope is .27805 amu. How much energy is released when…

A: Given : Mass defect of isotope = 0.27805 amu. And moles of isotope decaying = 1 mol.

Q: 90Sr is one of the most deadly products of nuclear fi ssion. Assume that 4% of the fi ssion fragment…

A:

Q: 5.) A sample of bone has a specific activity of 5.22 disintegrations per minute per gram of carbon…

A: Given:

Q: What is the half-life of an element if 400 grams decay to 25 grams in 36.9 yrs? Group of answer…

A: Half life of a reaction is the time required to complete the half reaction. Formula. A(t)=Ao.12tt1/2…

Q: Use the table below to answer the questions. In your own words, define half-life. b. Which isotope…

A: Since you have asked multiple questions, we will solve the first question for you as per our…

Q: 20. At the time an item was produced, 0.01 of the carbon it contained was carbon-14, a radioisotope…

A: Solution

Q: A tiny piece of paper (produced from formerly living plant matter) taken from the Dead Sea Scrolls…

A: Radioactive disintegration follows first order kinetics. Hence, the rate of decay can be followed by…

Q: A radioactive source containing Y-90 has an initial activity of 20 µC a) How many decays per second…

A: The radioactive source containing Y-90 has an initial activity 20 μCi which equals…

Q: A moon rock collected by a U.S. Apollo mission is estimated to be 3.50 billion years old by…

A: Given : Time = 3.50 billion years old. Mass of uranium-238 = 1.540g Half life = 4.47 x 109 years

Q: The radioactive cobalt isotope, "Co, has an half-life of 63 months and undergoes decay. The m of Co…

A: From the data  A) We are calculating number of moles of cobalt after 5 years B) The activity of…

Q: A moon rock collected by a U.S. Apollo mission is estimated to be 4.30 billion years old by…

A: Given: Age of rock = 4.30 billion years = 4.30 X 109 years Final mass of 238U remaining = 1.325 g…

Q: carbon-14 activity

A: Given data, Basic equation is Ae = Ao x 0.5 (t / t1/2)   Therefore,

Q: rock containing 238U and 206Pb was examined to determine its approximate age. The molar ratio of…

A:

Q: 9. The noble gas radon has been the focus of much attention because it may be found in homes.…

A: Given: Radon-222 emits alpha particles. Half life = 3.82 days

Q: Calculate the energy ( in joules) released when 1.0 g of U- 235 undergoes fission reaction into Ba -…

A: Given, U-235    Ba-142 + Kr-92 Mass of Ba-142 = 141.92 u Mass of Kr-92 = 91.92 u Energy in Joule =…

Q: Write a nuclear reaction for each step in the formation of 208Pb from 228Th, which proceeds by a…

A: