The Three fission reactions will produce nine neutrons
<h3>Meaning of Fission</h3>
Fission can be defined as a nuclear process that involves the breaking of a whole nuclear matter into smaller bits.
In a fission reaction, the matter is broken down into simpler bits.
In conclusion, The Three fission reactions will produce nine neutrons
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Answer:
Part 1: 0.3789
Part 2: 746 J
Part 3: 2.162 kW
Explanation:
Part 1:
Eff= 
Eff= 0.378873 ≈ 0/3789
Part 2:
W= 0.3789(1969)
W= 746 J
Part 3:

Power= 2162.3188 Watts
2162.3188 W-----> 2.162 kW
The answers would be:
3. Atoms cannot be broken down into smaller pieces (or indivisible)
4. All atoms of an element are identical.
5. Chemical reactions cause atoms to be rearranged.
Although all of the statements regarding atoms are true, because of the technology during Dalton's time, the others were not yet discovered. As time progressed modifications were made which built our modern atomic theory.