What is the binding energy in kJ/mol Cu for copper-63? kJ/mol 29 H+34 n Cu The required masses (g/mol) are:H= 1.00783 n=1.00867:Cu= 62.92980

Q: About 0.0117% of the 600 mg of potassium in a typi- cal banana is radioactive potassium-40. If 1.00…

A: Given: 1) Mass of potassium in a typical banana is radioactive 0.0117% of the 600 mg of…

Q: What is the binding energy in kJ/mol nucleons for bromine-81? |kJ/mol nucleons 35 H+ 46,n- The…

A: Mass of Br-81 = 80.91630

Q: 16. Common activity levels of Radon-222 are in the range of 1 picocurie/liter (pCi/L) at room…

A: According to the law of radioactive decay, the number of nuclei undergoing decay per unit of time is…

Q: What is the nuclear binding energy for a mole of tritium, H-3 whose mass is 3.0160? (1 mol p+ =…

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Q: What is the binding energy in kJ/mol Cl for chlorine-37? kJ/mol 17'H+ 20,n C1 The required masses…

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Q: What is the binding energy in kJ/mol La for lanthanum-138? kJ/mol 57 H+ 81,n-→ The required masses…

A: Given-> Atomic mass of La = 137.90680 g/mole mass of Proton = 1.00783 g/mole Mass of neutron =…

Q: What is the binding energy in kJ/mol Ga for gallium-69? |kJ/mol 31 H+ 38,n→°Ga The required masses…

A: The reaction given is

Q: Calculate the half-life of a radioisotope if it takes 72 years for a sample to decay to 12.5% of its…

A: 100 % to 50 % one t1/2. 50 % to 25 %  second t1/2. 25% to 12.5 third t1/2. three t1/2 = 72 years.…

Q: A rock contains 3.008 mg of 238U and 0.624 mg of 206Pb. The half-life of 238U is 4.51 ' 10 9 years.…

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Q: What is the binding energy in kJ/mol In for indium-115? kJ/mol 49,H+ 66,n→115 In 40 The required…

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Q: 238U 92 234TH +He 90

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Q: 15.0 mCi of Tc-99 is required for users to scan a patient brain at a hospital. A freshly prepared…

A: Given: Activity of isotope required for treatment = 15.0 mCi. The initial activity of the isotope =…

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 half-life of 232Th is 1.4×10 yr. Find the number of disintegrations per hour emitted by 1.0 mol…

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Q: 60Co has a half-life of 5.27 yr. What percentage of its original activity will a sample of 60Co have…

A: Dear student,I am providing solution for Q.1 that you have asked as we are entitled to do one…

Q: An earthquake in the area of present-day San Francisco isto be dated by measuring the 14C activity…

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Q: Nuclear Binding Energy II Calculate the binding energy per nucleon for the nucleus. (Atomic masses:…

A: B.E per nucleon calculated as total B.E /Mass no.

Q: What is the binding energy in kJ/mol Ag for silver-109? kJ/mol 47 H+ 62;n-→10 The required masses…

A: By using the formula of mass defect,  mass defect = (47*1.00783)+(62*1.00867)-108.9047 = 1.00085…

Q: What is the binding energy in kJ/mol nucleons for lanthanum-138? |k]/mol nucleons 57 H+ 81;n La The…

A: The reaction given is, =>

Q: 21. The total binding energy of O-16 is 127.6 MeV. Therefore, its binding energy per nucleon (in…

A: Binding energy per nucleon  = Binding energy ÷ Mass number  As per our company guideline we can…

Q: Calculate the half-life of a radioisotope if it takes 144 years for a sample to decay to 12.5% of…

A: N = 0.125 No N/No = 0.125

Q: What is the binding energy in kJ/mol nucleons for copper-63? kJ/mol nucleons 29 H+ 34,n Cu The…

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Q: 1. Sodium-24 is a diagnostic radioisotope used to measure blood circulation time. How much of 20.0…

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Q: What is the binding energy in kJ/mol nucleons for copper-65? kJ/mol nucleons 29 H+ 36,n Cu The…

A: Given nuclear reaction: 29H + 36 11n → 01Cu2965 The required masses (g/mol): H11 = 1.00783; n01 =…

Q: What is the specific activity (in Ci/g) if 1.65 mg of anisotope emits 1.56X10⁶ α particles per…

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Q: What is the binding energy in kJ/mol Ga for gallium-71? kJ/mol 31 H+ 40,n Ga The required masses…

A: Given-> Masses -> 1H1 = 1.00783 g/mole 0n1= 1.00867 g/mole 31Ga71= 70.92490 g/mole

Q: What is the binding energy in kJ/mol La for lanthanum-139? |k]/mol 57;H+ 82;n The required masses…

A: 521H1 + 82 1n0 --->

Q: 1.What is the half-life of 99Tc if a 500.0 g sample decays to 62.5 g in 639,000 years 2)How much of…

A: Given,Mass 500 g,Therefore, the first half-life is 250.0g.Second half-life is 125.0g.Third half-life…

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: What is the binding energy in kJ/mol nucleons for chlorine-35? kJ/mol nucleons 17;H+ 18;n→Ci The…

A: Since you have posted more than 1 question so we can do only first question for you. If you want…

Q: Determine how old a sample of paper is if it has an activity of 8.67 disintegrations per minute per…

A: Given: Activity of the sample of the paper =8.67d/min * g Specific activity ratio (Initial decay…

Q: . Calculate each of the following involving half-lives: a. The half-life of Na-24 is 15 h. If the…

A: Use the formula and put the values in appropriate formula to get the answer.

Q: Technetium-99 (atomic mass - 98.9 amu) is used  for bone scans. It has a half-life of 6.0 h. What is…

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Q: A sample of sodium-24 with an activity of 12 mCi is used to study the rate of blood flow in the…

A: Given:Half-life = 15hInitial amount [A]o = 12 mCi.

Q: 5.32 A sample of sodium-24 with an activity of 12 mCi is used to study the rate of blood flow in the…

A: Initial activity of sodium-24 = 12 mCi Half-life of sodium-24 = 15 h   The question requires to…

Q: radioactive isotope has an activity of 9.94×104 Bq initially. After 3.35 hours the activity is…

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Q: Cobalt-60 has a half-life of 5.27 years. How long will it require for 10.5 mg of a 22.8-mg sample of…

A: Correct Option :  b. 4.71 y

Q: What is the activity, in curies, of a source that has 1.3 × 10° disintegrations per second? (1 Ci =…

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Q: What is the binding energy in kJ/mol nucleons for silver-107? kJ/mol nucleons 47 H+ 60;n-→ The…

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Q: The question is: The activity of Arsenic-76 after 157.8 hrs is 120.2 micro milicuries. What was the…

A: The activity depends on the no of atom present in the sample .

Q: Gold-198 has a half-life of 2.7 days. How much of a 953.1 mg gold-198 sample will remain after 13.5…

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Q: What is the binding energy in k]/mol nucleons for chlorine-35? kJ/mol nucleons 17 H+ 18,n→C1 The…

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Q: What is the binding energy in kJ/mol nucleons for nitrogen-14? kJ/mol nucleons 7H+7,n N The required…

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Q: 14.20 60Co is used extensively in medicine as a source of y-rays. Its half-life is 5.27 years. (a)…

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Q: What is the half life of sodium-24 if after 12 days the sample has a mass of 1.2 g from an initial…

A: Given, Initially mass of the sample (N0) = 9.6 g Mass of the sample after 12 days (N) = 1.2 g Time…

Q: Calculate the binding energy in kilocalories/ mole of 19F whose atomic weight is 19.0045.

A: Calculate the binding energy in kilocalories/ mole of 19F whose atomic weight is 19.0045.

Q: A 228-mL sample of an aqueous solution contains 2.35% MgCl2by mass. Exactly half of the magnesium…

A: Given: Volume = 228 mL Mass of MgCl2 = 2.35% Half-life of Mg-28= 21 hours= 21*60*60=75600 s density…

Q: ) A certain element has a mass-defect of 0.0825u.  What would the binding energy be in Joules?…

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Q: What is the binding energy in kJ/mol Cu for copper-65? kJ/mol 29;H+ 36,n Cu 65 The required masses…

A: Given-> Atomic mass of Cu = 64.92780 gm/mole Mass of proton = 1.00783 gm/mole Mass of neutron =…