Thursday
August 28, 2014

Homework Help: science

Posted by trina on Saturday, July 27, 2013 at 8:06pm.

In a serious accident, nuclear power plants reactor vessel cracks and all of the cooling water drains out. Although nuclear fission stops, radioactive decay continues to heat the reactor's 2.5 10 to the 5 power kg uranium core at rate of 120 Mega-Watts. Once the core reaches its melting point, how much energy will it takes to melt the core? How long will the melting take?

Uranium (melting point,K 1406)
Lf,Kj/kg(82.8)
Boiling point,K(4091)
Kj/kg(1875)

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