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Calculate the Energy Released in Joules When One Mole of Polonium-214

Question 18

Multiple Choice

Calculate the energy released in joules when one mole of polonium-214 decays according to the following equation. Calculate the energy released in joules when one mole of polonium-214 decays according to the following equation. Particle Mass (amu) Pb-210 209) 98284 Po-214 213) 99519 He-4 4) 00260 (1 kg = 6.022 × 10<sup>26</sup> amu; N<sub>A</sub> = 6.022 × 10<sup>23</sup> mol<sup>-1</sup>; C = 2.99792458 × 10<sup>8</sup> m/s) A) 8.78 × 10<sup>14</sup> J/mol B) 7.2 × 10<sup>14</sup> J/mol C) 8.76 × 10<sup>11</sup> J/mol D) -9.75 × 10<sup>-3</sup> J/mol E) 1.46 × 10<sup>-9</sup> J/mol Particle Mass (amu)
Pb-210
209) 98284
Po-214
213) 99519
He-4
4) 00260
(1 kg = 6.022 × 1026 amu;
NA = 6.022 × 1023 mol-1;
C = 2.99792458 × 108 m/s)


A) 8.78 × 1014 J/mol
B) 7.2 × 1014 J/mol
C) 8.76 × 1011 J/mol
D) -9.75 × 10-3 J/mol
E) 1.46 × 10-9 J/mol

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