Two Deuterium Nuclei $\begin{array} { l } 2 \\1\end{array}$ H, Fuse to Produce a Tritium Nucleus

question 167

Multiple Choice

Two deuterium nuclei, $\begin{array} { l } 2 \\1\end{array}$ H, fuse to produce a tritium nucleus, $\begin{array} { l } 3 \\1\end{array}$ H, plus an ordinary hydrogen nucleus, $\begin{array} { l } 1 \\1\end{array}$ H. A neutral deuterium atom has a mass of 2.014102 u; a neutral tritium atom has a mass of 3.016050 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u. How much energy is released in this fusion process? (1 u = 931.5 MeV/c²)

• A)3.03 MeV
• B)3.53 MeV
• C)4.03 MeV
• D)4.53 MeV
• E)6.58 MeV

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