The Amount of Energy Released During the Radioactive Decay of Uranium-238

Multiple Choice

The amount of energy released during the radioactive decay of uranium-238 to thorium-234 and an alpha particle is _____ kJ/mol. (Given, the atomic mass of ${ } ^ { 238 } \mathrm { U }$ = 238.050788 amu, ${ } ^ { 234 } \mathrm { Th }$ = 234.043601 amu, and ${ } _ { 2 } ^ { 4 } \alpha$ = 4.002603 amu)

A) -4.584 × 10⁸
B) 4.120 × 10⁸
C) 4.584 × 10⁸
D) -4.270 × 10⁸
E) -4.120 × 10⁸