Q 1952145034.     Consider the fission of
`text()_(92)^(238) U` by fast neutrons.
In one fission event, no neutrons are emitted
and the final end products, after the beta decay
of the primary fragments, are `text()_(58)^(140)Ce` and `text()_(44)^(99)Ru`

Calculate Q for this fission process.
The relevant atomic and particle masses are

`m(text()_(92)^(238)U) = 238.05079 u ;`

`m(text()_(58)^(140)Ce) = 139.90543u;`

`m(text()_(44)^(99)Ru) = 98.90594 u`




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