Energy from the Nucleus (HSC SSCE Physics): Flashcards

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Energy from the Nucleus
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Nuclear vs chemical reaction energy factor

1-10 billion times greater

Nuclear fission definition

Heavy nucleus breaks into smaller fragments

Nuclear fusion definition

Smaller nuclei combine into larger nucleus

Most stable nucleus

Iron-56 (8.798.79 MeV per nucleon)

Thermal neutron energy

55-1010 keV

Energy per U-235 fission

~200200 MeV

Controlled chain reaction

One neutron per fission causes another

U-235 in natural uranium (%)

0.65%0.65\%

Control rod materials

Boron-10 and cadmium

Mass defect

Mass difference before & after reaction

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