Calculate the Energy Change When One ²³⁵U Nucleus Undergoes the Fission

question 6

Multiple Choice

Calculate the energy change when one ²³⁵U nucleus undergoes the fission reaction
²³⁵U + n $\rightarrow$ ¹⁴²Ba + ⁹²Kr + 2n
The masses needed are ²³⁵U,235.04 u; ¹⁴²Ba,141.92 u; ⁹²Kr,91.92 u; n,1.0087 u.

• A) -3.2 * 10^-28 J
• B) +1.8 * 10^-10 J
• C) -1.7 * 10^-10 J
• D) +2.9 * 10^-11 J
• E) -2.8 * 10^-11 J

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