Calculate the nuclear binding energy (in joules) and the nuclear
binding energy per nucleon of:
113
Cd
48
(112.904401 amu)
(Round each final answer to 4 significant figures.)
______J
_______J/nucleon
Part1. Calculate the nuclear
binding energy (in J) and the nuclear binding energy per nucleon
of
241
Pu
94
(241.0568453 amu).
Part 2.
A freshly isolated sample of
90Y was found to have an activity of
8.2 × 105
disintegrations per minute at 1:00
p.m. on December 3, 2006. At 2:15 p.m. on December 17, 2006, its
activity was measured again and found to be 2.2 × 104 disintegrations per minute. Calculate the
half-life of 90Y.
62Ni has the largest known binding energy per nucleon. Calculate
the binding energy for the complete nucleus in kJ/mol and MeV and
the binding energy per nucleon in MeV/nucleon given mNi-62 =
61.9283451 amu, mp = 1.00727647 amu, mn = 1.00866492 amu, and 1 amu
= 1.6605387310-27 kg. E = ___________________ kJ/mol =
____________________ MeV
E/nucleon = ____________________ MeV/nucleon
2Ni has the largest known binding energy per nucleon. Calculate
the binding energy for the complete nucleus in kJ/mol and MeV and
the binding energy per nucleon in MeV/nucleon given mNi-62 =
61.9283451 amu, mp = 1.00727647 amu, mn = 1.00866492 amu, and 1 amu
= 1.6605387310-27 kg. E = ___________________ kJ/mol =
____________________ MeV E/nucleon = ____________________
MeV/nucleon
Calculate the binding energy per nucleon for each of the
following nuclei. (Use the table of atomic masses as
necessary.)
(a) 2H
(MeV)
(b) 14N
(MeV)
(c) 23Na
( MeV)
(d) 32S
(MeV)
Calculate the binding energy per nucleon (in J) for
2H and 3H. The atomic masses are 2.014102 u
for 2H, and 3.016049 u for 3H. (Enter
unrounded values. Assume that the mass of 11H
= 1.007825 u,mp = 1.007275 u,
mn = 1.008666 u, and me =
0.000549 u, respectively.)