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Carbon-11 Decays by Positron Emission: C → B

Question 125

Multiple Choice

Carbon-11 decays by positron emission: Carbon-11 decays by positron emission: C → B + e The decay occurs with a release of 2.87 × 10<sup>11</sup> J per mole of carbon-11. When 5.00 g of carbon-11 undergoes this radioactive decay, ________ g of mass is converted to energy. A) 1.45 × 10<sup>-3</sup> B) 4.35 × 10<sup>5</sup> C) 1.45 × 10<sup>-6</sup> D) 6.90 × 10<sup>2</sup> E) 1.59 × 10<sup>-2</sup> C → Carbon-11 decays by positron emission: C → B + e The decay occurs with a release of 2.87 × 10<sup>11</sup> J per mole of carbon-11. When 5.00 g of carbon-11 undergoes this radioactive decay, ________ g of mass is converted to energy. A) 1.45 × 10<sup>-3</sup> B) 4.35 × 10<sup>5</sup> C) 1.45 × 10<sup>-6</sup> D) 6.90 × 10<sup>2</sup> E) 1.59 × 10<sup>-2</sup> B + Carbon-11 decays by positron emission: C → B + e The decay occurs with a release of 2.87 × 10<sup>11</sup> J per mole of carbon-11. When 5.00 g of carbon-11 undergoes this radioactive decay, ________ g of mass is converted to energy. A) 1.45 × 10<sup>-3</sup> B) 4.35 × 10<sup>5</sup> C) 1.45 × 10<sup>-6</sup> D) 6.90 × 10<sup>2</sup> E) 1.59 × 10<sup>-2</sup> e The decay occurs with a release of 2.87 × 1011 J per mole of carbon-11. When 5.00 g of carbon-11 undergoes this radioactive decay, ________ g of mass is converted to energy.


A) 1.45 × 10-3
B) 4.35 × 105
C) 1.45 × 10-6
D) 6.90 × 102
E) 1.59 × 10-2

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