An Excited $\begin{array} { c } 236 \\92\end{array}$ U^* Nucleus Undergoes Fission into Two Fragments as Follows

question 117

Multiple Choice

An excited $\begin{array} { c } 236 \\92\end{array}$ U^* nucleus undergoes fission into two fragments as follows: $\begin{array} { c } 236 \\92\end{array}$ U^*? $\begin{array} { c } 144 \\56\end{array}$ Ba + $\begin{array} { l } 92 \\36\end{array}$ Kr The following atomic masses are known: $\begin{array} { l } 92 \\36\end{array}$ Kr: 91.926270 u $\begin{array} { c } 144 \\56\end{array}$ Ba: 143.922845 u $\begin{array} { c } 236 \\92\end{array}$ U^*: 236.045563 u
What is the reaction energy released during this fission reaction? (1 u = 931.5 MeV/c²)

• A)150 MeV
• B)160 MeV
• C)170 MeV
• D)180 MeV
• E)190 MeV

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