21. As stated in the previous problem, Cesium-137 is a radioactive product of nuclear power plants. Cs-137 and beta minus decays into barium, Ba-137. a) Write out the radioactive decay formula correctly listing the atomic numbers and mass numbers of the parent and daughter isotope as well as the two ejected particles. b) Specify if one of the ejected particles is an electron or positron?

Q: A radioactive sample contains 3.01×1018 atoms of a nuclide that decays at a rate of 3.28×1013…

A: The radioactive decay follows first-order reactions. Therefore, N = N0 e -λt

Q: 3. A 50 gram sample of a radlolsotope undergoes 2 half-lives. How many grams would remain at the…

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

Q: 1. The radioactive nuclide has a half-life of 17.5 hours. What a 0.0100 g sample after 24.0 hours…

A:

Q: A rock from Australia contains 0.438 g of Pb-206 to every 1.00 g of U-238. Assuming that the rock…

A: The half life for uranium is 4.5×109  years. The rate constant for the first order reaction is:…

Q: The half-life of 238U is 4.5 * 109 yr. A sample of rock of mass 1.6 gproduces 29 dis>s. Assuming…

A: The given data contains, mass = 1.6 g. half life=4.5×109 year.

Q: Determine the age of a rock containing 0.065 g of uranium-238 (t1/2=4.5x10^9yr) and 0.023 g of…

A: 238U decays and form 206Pb. First calculate the amount of 238U that got decayed to form 206Pb.…

Q: Enter your answer in the provided box. A rock sample originally contains 3.20 mg of 238U. How much…

A: Given data  Initial amount of 238U : No= 3.20 mg final amount of 238U : N = ? mg half life  : t1/2 =…

Q: Write all the balanced nuclear equations for each step of thenuclear decay sequence that starts with…

A: The balanced nuclear equations for each step of the nuclear decay sequence which starts with U-238…

Q: Plutonium – 236 is an alpha emitter with a half-life of 2.86 years. If a sample initially contains…

A: Given data Half life : t1/2=2.86 year Initial amount : No=2.56 mg time : t=7 year…

Q: The decay series from uranium-238 to lead-206 is indicated in the figure. For each step of the…

A: Since question has multiple parts to answer,we can answer only first three parts as per our…

Q: Explain the concepts of mass defect and nuclear binding energy. At what mass number does the nuclear…

A: The energy resembling to the mass defect acquired by substituting the mass defect into the equation…

Q: Enter your answer in the provided box. A rock sample originally contains 3.32 mg of 43°U. How much…

A:

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: I 15.0ne method of producing plutonium-238 is by bombarding uranium-238 with deuterium (hydrogen-2),…

A:

Q: If the half life of a radioactive isotope is 3 minutes, how much of an 8 Ci sample would remain…

A:

Q: U-235 collided with a neutron resulting to a nuclear fission producing La-145, Br-88, neutrons and…

A:

Q: 1.) A researcher claims that an ancient scroll originated from Greek scholars in about 500 B.C. Its…

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

Q: Write the balanced nuclear equation for the beta decay of each isotope. 25 {Na : Mg + 0 25 Incorrect…

A: β-decay is the radioactive decay in which the radioactive nucleus is disintegrated to form the…

Q: If a positron is to be emitted spontaneously, how much more mass (as a minimum) must an atom of the…

A: As in positron emission, the nuclear positive charge and hence the atomic number decreases by one…

Q: A The balf-life of barium-131 is 12 days. How many grams remains after 60 days if the initial sample…

A:

Q: A radioactive nuclide of mass number 94 has been prepared by neutron bombardment. If 4.7 µg of this…

A: Radio nuclide is nuclide which is unstable and due to its extra energy it disintegrates into new…

Q: Write 20 balanced nuclear equation (natural transmutation) of radioactive elements from U-238 to…

A:

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

A: Fourth option. 0.1005028 amu

Q: b. ? + Li → 25HE Balanced equation: OA. a-decay ов в-decay OC. Fission D. Fusion OE. Other

A: In nuclear reaction, Balanced equation means number of proton and mass number in reactant side is…

Q: A The half-life of barium-131 is 12 days. How many grams remains after 60 days if the initial sample…

A:

Q: How can we calculate the mass defect and nuclear binding energy per nucleon?

A: Mass defect: It is the difference between predicted atomic mass which is calculated by adding no. of…

Q: A proposed nuclear reactor facility will have an electrical power output of 805 MW with a 30.2%…

A: Given the electrical power output, P = 805 MW  P = 805 MW * 106 Watt1 MW = 8.05*108 Watt Efficiency…

Q: In-113∗ (γ decay) Express your answer as a nuclear equation. Use * symbol to mark metastable…

A: Radioactive decay is the process in which unstable nucleus loses energy by emitting radiation.   The…

Q: Reference the periodic table above to answer the following: As stated in the previous problem,…

A:

Q: Write 2-3 sentences describing what happens to a uranium nucleus during nuclear fission

A: Write 2-3 sentences describing what happens to a uranium nucleus during nuclear fission.

Q: Phosphorus-30, which has a half-life of 150 seconds, decays by positron emission. How long will it…

A: Since the decay reactions are first order. Hence half life = ln(2) / K  where K = decay constant…

Q: In the uranium-235 natural decay series, the uranium-235 initially undergoes alpha decay, the…

A: Since the reactions given in part b and c are not clearly represented, thus balanced reactions of α…

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: Enter your answer in the provided box. A rock sample originally contains 3.21 mg of 238U. How much…

A:

Q: A rock contains 0.697 mg of 206pb for every 1.000 mg of 238 U present. Assuming that no lead was…

A: Given,  Mass of 206Pb = 0.697 mg  Mass of 238U = [A]0 = 1.000 mg  Half life period for 238U = t1/2 =…

Q: Rubidium-87 decays by β production to strontium-87 with a half-life of 4.7 × 1010 years. What is the…

A: Since the Sr is forming by the decay of Rb  Ans since 1 mole of Rb will decay to form 1 mole of Sr…

Q: The Cs-131 nuclide has a half-life of 30 years. After 120 years, 4.2 g remain. What is the original…

A:

Q: Radium-226 will undergo alpha decay. a.)write out this nuclear reaction b.) calculate the mass…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: The radioactive nuclide has a shelf-life of 17.5 hours. What mass remains from 0.0100g sample after…

A: Rate of a reaction determines the speed with which a reaction proceeds. First order reaction is a…

Q: a) Mrs. Price's son, Liam is currently working as a boilermaker at the Darlington Nuclear Power…

A:

Q: 13. Complete and balance these nuclear equations by supplying the missir If the particle is alpha,…

A:

Q: (i) Define the term 'neutron reproduction constant' koo as applied to an infinite thermal fission…

A: •NEUTRON REPRODUCTION CONSTANT (k∞):-"It is defined as ratio of number of neutron produced from…

Q: 3.7. The radioactive nuclide Co has a half-life of 5.27 years. Calculate the mass of Co that remains…

A: Rate of a reaction determines the speed with which a reaction proceeds. First order reaction is a…

Q: The Cs-131 nuclide has a half-life of 30 years. After 120 years, 6.6 g remain. What is the original…

A: Radio active decay obeys first order kinetics. The expression for rate constant:   Half life of…

Q: Radon is a naturally occurring, colorless, odorless, tasteless radioactive gas. Radon can build up…

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

Q: Scientists have recently shown that a sample of cocaine can be traced to its country of origin by…

A: Type of radioactivity shown by carbon-14 is β- and the reaction is shown shown below.

Q: How many alpha particles are emitted per minute by a 0.0010-g sample of 238U that has been freshly…

A: Given, Mass of sample = .001 g Half life of uranium = 4.47 x 109 years = 4.47 x 109 x 3.156 x 107…

Q: One way to convert lead into gold is to irradiate 206Pb with neutrons. There are several steps in…

A: The lead can be converted into gold by bombarding the three neutrons with the lead nucleus producing…

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.