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The mass of a neutron n is 1.008665 u. The mass of^36_8O is 15.994915 u. The mas

ID: 1511232 • Letter: T

Question

The mass of a neutron n is 1.008665 u. The mass of^36_8O is 15.994915 u. The mass of 15.000109 u. The mass of^2_1 H is 2.014102 u. A neutron moving with kinetic energy 5.6 times 10^-12 J strikes a stationery^16_8O nucleus, initiating the reaction n +^16_8O rightarrow^15_7N +^2_1 H. What is the combined kinetic energy of the resulting^15_7 N and^2_1 H nuclei? 7.2 times 10^-12J 1.6 times 10^-12J 4.0 times 10^-12J 4.0 times 10^-10J 7.2 times 10^-10J The mass of a neutron n is 1.008665 u. The mass of^235_92 U is 235.043930 u. The mass of^141_54Xe is 140.926651 u. The mass of^93_38Sr is 92.914026 u. What is the reaction energy Q of the fission reaction n +^235_92 U rightarrow^141_54 Xe +^93_38Sr + 2 n? 291 MeV 323 MeV 181 MeV 194 MeV 236 MeV

Explanation / Answer

23. (C)

24. (d)