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Is this nuclear reaction exothermic or endothermic?

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dav1d
#1
Oct22-11, 12:32 PM
P: 65
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.
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Spinnor
#2
Oct23-11, 06:05 PM
P: 1,375
First write down the masses of the four nuclei, see

http://www.chem.ualberta.ca/~massspe...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?
dav1d
#3
Nov5-11, 06:13 PM
P: 65
I got exothermic, is it correct?


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