Question 1
Consider the nuclear reaction
N +
He →
O +
H. The known atomic masses are
N: | 14.003074 u |
He: | 4.002603 u |
H: | 1.007825 u |
O: | 16.999131 u |
What is the
Q-value (or reaction energy) of this reaction? (1 u = 931.5 MeV/
c2)
◦ -1.279 × 10
-3 MeV
◦ -1.191 MeV
◦ 1.191 MeV
◦ 1.279 × 10
-3 MeV
Question 2
Consider the nuclear reaction
H +
H →
He + 2
n. The known atomic masses are
He: | 4.002603 u |
H: | 3.016049u |
n: | 1.008665 u |
What is the energy released (positive) or absorbed (negative) in this nuclear reaction? (1 u = 931.5 MeV/
c2)
◦ 0.0122 MeV
◦ 11.3 MeV
◦ -11.3 MeV
◦ -0.0122 MeV