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Is this nuclear reaction exothermic or endothermic?

  1. Oct 22, 2011 #1
    Is this nuclear reaction exothermic or endothermic??

    1. The problem statement, all variables and given/known data

    Is this nuclear reaction exothermic or endothermic??
    alpha particle + beryllium -> carbon12 + neutron


    2. Relevant equations



    3. The attempt at a solution

    Im not quiet sure which one it is, I don't know what equations to use. Any help would be appreciated.
     
  2. jcsd
  3. Oct 23, 2011 #2
    Re: Is this nuclear reaction exothermic or endothermic??

    First write down the masses of the four nuclei, see

    http://www.chem.ualberta.ca/~massspec/atomic_mass_abund.pdf

    If the mass on the left is greater then the mass on the right then the missing energy might be in the form of energy?
     
  4. Nov 5, 2011 #3
    Re: Is this nuclear reaction exothermic or endothermic??

    I got exothermic, is it correct?
     
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