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MMLU-Pro / 9619 / In the reaction _5B^11 + _2He^4 …

Problem

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question

In the reaction _5B^11 + _2He^4 \ding{217} _7N^14 + _0n^1 the masses of the Boron and nitrogen atoms and the \alpha - particle are 11.01280 amu, 14.00752 amu, and 4.00387 amu, respectively. If the incident \alpha - particle had 5.250 MeV of kinetic energy and the resultant neutron and nitrogen atom had energies of 3.260 HeVand 2.139MeV, respectively, what is the mass of the neutron?

category

physics

options

  1. 0.99867 amu
  2. 1.00783 amu
  3. 0.149 amu
  4. 1.01173 amu
  5. 1.00899 amu
  6. 1.072272 amu
  7. 1.00456 amu
  8. 1.00649 amu
  9. 1.01098 amu
  10. 1.00915 amu

src

stemez-Physics

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