1.00kg of 235U undergoes fission process. If energy released per event is 200MeV, then the total energy released is

A

5.12×1024MeV

B

6.02×1023MeV

C

5.12×1026MeV

D

6.02×1026MeV

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Solution

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M=1kg No. of moles =n=1000235=4.2553 No. of atoms of U=nNA=2.562×1024 atoms Energy released per atom =200MeV Total energy released =200×2.562×1024=5.12×1026MeV

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