Solved: Calculating Mass Change in a Nuclear ReactionHow
Chapter 2, Problem 8PE(choose chapter or problem)
Problem 8PE
Calculating Mass Change in a Nuclear Reaction
How much energy is lost or gained when 1 mol of cobalt-60 undergoes beta decay, 6027Co→6028Ni + 0-1e? The mass of a 6027Co atom is 59.933819 amu, and that of a 6028Ni atom is 59.930788 amu.
The nuclear reaction that powers the radioisotope thermoelectric generator shown in the chapter-opening photograph is 23894Pu→23492U + 42He. The atomic masses of plutonium-238 and uranium-234 are 238.049554 amu and 234.040946 amu, respectively. The mass of an alpha particle is 4.001506 amu. How much energy in kJ is released when 1.00 g of plutonium-238 decays to uranium-234?
(a) 2.27 × 106 kJ, (b) 2.68 × 106 kJ, (c) 3.10 × 106 kJ, (d) 3.15 × 106 kJ, (e) 7.37 × 108 kJ
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