Respuesta :
Answer:
5.60 Mev
Explanation:
Binding Energy is termed as the total energy required for the breakdown of a nucleus to its component nucleons
From the given question;
There are 3H and 4n,
Therefore;
since the masses of the atoms are 7.016004 u and 1.007825 u,
Then
3(1.007825) + 4(1.008665) = 7.058135 u
( 7.058135 - 7.016004) × (931.5) = 39.24 MeV total biding energy.
The energy per nucleon is therefore calculate as:
[tex]\frac {39.24 \ \ MeV }{7}[/tex]
=5.60 Mev
Thus, the total binding energy is = 5.60 Mev
a. The total binding energy for [tex]^7_3Li[/tex] is equal to 39.25 MeV.
b. The binding energy per nucleon for [tex]^7_3Li[/tex] is equal to 5.61 MeV/nucleon.
Given the following data:
- Mass of lithium (Li) atoms = 7.016004 u.
- Mass of hydrogen (H) atoms = 1.007825 u.
- Mass of a neutron = 1.008665 u.
To calculate the total binding energy, and the binding energy per nucleon, for [tex]^7_3Li[/tex]:
So, there are three hydrogen atoms (3H) and four neutrons (4n).
Substituting the given parameters into the formula, we have;
[tex]3(1.007825) + 4(1.008665) = 7.058135 \;u[/tex]
Note: 1 atomic mass unit (a.m.u) is equal to 931.5 MeV.
For the total binding energy:
[tex]T_{BE} =( 7.058135 -7.016004) \times 931.5\\\\T_{BE} =0.042131 \times 931.5[/tex]
Total binding energy = 39.25 MeV.
For the binding energy per nucleon:
[tex]B_E = \frac{39.25}{7}[/tex]
Binding energy per nucleon = 5.61 MeV/nucleon.
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