An Excited U^* Nucleus Undergoes Fission into Two Fragments,as

question 90

Multiple Choice

An excited U^* nucleus undergoes fission into two fragments,as shown: U^* → Ba + Kr The following atomic masses are known: Kr: 91.926270 u Ba: 143.922845 u U^*: 236.045563 u
What is the reaction energy,in MeV,for this process? (1 u = 1.6605 × 10^-27 kg =

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

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