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

Question 47

Multiple Choice

Calculate the energy released in joules when one mole of polonium-214 decays according to the equation Calculate the energy released in joules when one mole of polonium-214 decays according to the equation [Atomic masses: Pb-210 = 209.98284 amu, Po-214 = 213.99519 amu, He-4 = 4.00260 amu.] A) 8.78 * 10<sup>14</sup> J/mol B) 7.2 * 10<sup>14</sup> J/mol C) 8.78 * 10<sup>11</sup> J/mol D) -9.75 * 10<sup>-3</sup> J/mol E) 1.46 * 10<sup>-9</sup> J/mol [Atomic masses: Pb-210 = 209.98284 amu, Po-214 = 213.99519 amu, He-4 = 4.00260 amu.]


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

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