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We discussed that there is a release of energy in the nuclear fission reaction. Connect the dots using the following algorithm.
Calculate the rest mass energy of the parent
Calculate the total rest mass energy of the daughters(This will obviously be less than the value calculated in the first step
Subtract them, this is the energy that released.
This energy first is taken by the daughters in form of their energy.
They are suddenly stopped in the bulk and all this kinetic energy is converted to heat.
You have now heat generated in one fission reaction, calculate in 1 gram of X how many nuclei will be present.
Now calculate the total heat.
So, let's begin.
Also, since the molar mass is M, in MgramofX we have NA no, of X nuclei.
Hence in 1gram we will have NAM nuclei.
Now, 1 nucleus releases (x−y−z)c2 amount of energy
So, NAMnuclei will release,
NAM×(x−y−z)c2 units of energy.