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What is the total energy released if 1g ...

What is the total energy released if 1g of `""_(92)U^(235)` undergoes fission ? It is given that each fission gives out 200 MeV energy.

Text Solution

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Atomic mass of `""_(92)^(235)U = 235`
N = Number of atoms in one gram of `""_(92)^(235)U`
`= (6.023 xx 10^(23))/(235)`
E = Energy released per fission = 200 MeV
Total energy released by fission of 1 g of `""_(92)U^(235)` = NE
`= (6.023 xx 10^(23))/(235) xx 200` MeV
`= 5.126 xx 10^(23) MeV`
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