Uranium-238 Decays into Thorium-234 Plus an Alpha Particle

question 9

Multiple Choice

Uranium-238 decays into thorium-234 plus an alpha particle. How much energy is released in this process? 1 u = 931.494 MeV/c². The relevant mass values are:
, 4.002603 u; , 234.043583 u; , 238.050786 u.

• A) 4.28 MeV
• B) 3.76 MeV
• C) 3.18 MeV
• D) 2.89 MeV
• E) 5.05 MeV

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