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Energetics of Nuclear Fission

Suppose,we th...

Question

Suppose, we think of fission of a nucleus into two equal fragments,. Is the fission energetically possible? Argue by working out Q of the process. Given and.

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Solution

The fission of can be given as:

It is given that:

Atomic mass of = 55.93494 u

Atomic mass of

The Q-value of this nuclear reaction is given as:

The Q-value of the fission is negative. Therefore, the fission is not possible energetically. For an energetically-possible fission reaction, the Q-value must be positive.

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Q. Suppose, we think of fission of a

_{26}^{56} F e

nucleus into two equal fragments of

_{13}^{28} A l

. Is the fission energetically possible? Argue by working out Q of the process. Given m

(_{26}^{56} F e)

= 55.93494 u and m

(_{13}^{28} A l)

Q. Suppose, we think of fission of a 5626Fe nucleus into two equalfragments, 2813 Al . Is the fission energetically possible? Argue byworking out Q of the process. Given m ( 5626Fe ) = 55.93494 u andm ( 2813 Al ) = 27.98191 u.

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_{94}^{239} P u

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:

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