Binding energy Calculate the binding energy of 136Ba using the table of atomic m
ID: 2036074 • Letter: B
Question
Binding energy Calculate the binding energy of 136Ba using the table of atomic masses. Express your answer in unified mass units but do not indicate units in your answer. Incorrect. Tries 1/15 Previous Tries Express the binding energy in MeV. Enter only a number without units. Incorrect. Tries 1/15 Previous Tries Submit Answer Submit Answer What is the binding energy per nucleon? Give your answer in MeV, but enter only a number without units. 175.88 Submit Answer Incorrect. Tries 1/15 Previous Tries Calculate the energy required to remove one neutron from 136Ba using information in the atomic mass table. Express you answer in MeV and include the unit. Submit Answer Incorrect. Tries 1/15 Previous TriesExplanation / Answer
[ (Z)(mp + me) + (A - Z)(mn) ] ---> [ atom ] + [ binding energy ]
mp = proton mass 1.007 2765 amu
me = electron mass 0.000 5486 amu
mn = neutron mass 1.008 6649 amu
A = p + n
p = number of protons
n = number of neutrons
p = e = Z = number of electrons
Ba-136
atom = atom mass 136 amu
p = e = Z = 56
n = 80
A = p + n = 136
reactants mass = 137.1784264 amu
products mass =136.989604amu
mass loss = .1888224 amu
E = (.1888224amu)(1 MeV)/(931.494 amu)
E = 175.8869327 MeV
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