Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
For the fusion reaction
1
2
H
+
1
3
H
→
2
4
He
+
n
^2_1\text{H} + ^3_1\text{H} \to ^4_2\text{He} + n
1
2
H
+
1
3
H
→
2
4
He
+
n
use the atomic masses given below to calculate the energy released per reaction in MeV.
m
(
1
2
H
)
=
2.014102
u
,
m
(
1
3
H
)
=
3.016049
u
,
m
(
2
4
He
)
=
4.002603
u
,
m
(
n
)
=
1.008665
u
\begin{aligned} \!m(^2_1\text{H})&=2.014102\,\text{u},\\ \!m(^3_1\text{H})&=3.016049\,\text{u},\\ \!m(^4_2\text{He})&=4.002603\,\text{u},\\ \!m(n)&=1.008665\,\text{u} \end{aligned}
m
(
1
2
H
)
m
(
1
3
H
)
m
(
2
4
He
)
m
(
n
)
=
2.014102
u
,
=
3.016049
u
,
=
4.002603
u
,
=
1.008665
u
Take
1
u
=
931.5
MeV
/
c
2
1\,\text{u} = 931.5\,\text{MeV}/c^{2}
1
u
=
931.5
MeV
/
c
2
.
Browse the problem library