Consider the α decay 92U143→ 90Th141+2He2. 1. What energy, in megaelectron volts, is released in this decay? The mass of the daughter nuclide is 231.036298 u.  2. Assuming the residual nucleus is formed in its ground state, how much of the released energy, in megaelectron volts, goes to the α particle? Assume the uranium nucleus starts at rest.

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Chapter31: Radioactivity And Nuclear Physics
Section: Chapter Questions
Problem 79PE: (a) Write the decay equation for the decay of 235U. (b) What energy is released in this decay? The...
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Consider the α decay 92U143→ 90Th141+2He2.

1. What energy, in megaelectron volts, is released in this decay? The mass of the daughter nuclide is 231.036298 u. 

2. Assuming the residual nucleus is formed in its ground state, how much of the released energy, in megaelectron volts, goes to the α particle? Assume the uranium nucleus starts at rest. 

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