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Determine How Much Energy Is Released When Thorium-230 Decays According

Question 127

Multiple Choice

Determine how much energy is released when thorium-230 decays according to the following equation. Determine how much energy is released when thorium-230 decays according to the following equation. (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) 3.98 × 10<sup>9</sup> kJ/mol B) 4.61 × 10<sup>8</sup> kJ/mol C) 7.20 × 10<sup>11</sup> kJ/mol D) 4.90 × 10<sup>9</sup> kJ/mol E) 7.15 × 10<sup>11</sup> kJ/mol Determine how much energy is released when thorium-230 decays according to the following equation. (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) 3.98 × 10<sup>9</sup> kJ/mol B) 4.61 × 10<sup>8</sup> kJ/mol C) 7.20 × 10<sup>11</sup> kJ/mol D) 4.90 × 10<sup>9</sup> kJ/mol E) 7.15 × 10<sup>11</sup> kJ/mol (1 kg = 6.022 × 1026 amu; NA = 6.022 × 1023 mol-1;
C = 2.99792458 × 108 m/s)


A) 3.98 × 109 kJ/mol
B) 4.61 × 108 kJ/mol
C) 7.20 × 1011 kJ/mol
D) 4.90 × 109 kJ/mol
E) 7.15 × 1011 kJ/mol

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