A nuclear reaction, which gives off a total of 1.0 × 1017 J of energy, expends how much mass in the process? (?
A nuclear reaction, which gives off a total of 1.0 × 1017 J of energy, expends how much mass in the process? (c = 3.00 x 10^8 m/s)
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E=mc^2
1.0*10^17=m*(3.0*10^8)^2
m= 1.1kg.
The mass deficiency would be dm = E/c^2 = 1E17/(9E16) = 1.111111111111110 = 1.11 kg. ANS.