In the reaction 
how much energy is released or absorbed? The mass of 4He is 4.0026032 u, the mass of 9Be is 9.0121821 u, the mass of n is 1.0086649 u, and the mass of 12C is 12.0000000 u.
A. 4.21 MeV absorbed
B. 4.21 MeV released
C. 5.70 MeV absorbed
D. 5.70 MeV released
E. 6.34 MeV released
D. 5.70 MeV released
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a. 
b. 
c. 
d. 
e. 
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