610 Applications of Nuclear PhysicsP45.46When mass mof 235U undergoes complete fission, releasing 200 MeV per fission event, the totalenergy released is:QmN=FHGIKJ235200gmolMeVAafwhere NAis Avogadro’s number.If all this energy could be utilized to convert a mass mwof liquid water at Tcinto steam at Th, then,QmcT L cTwwcv sh=°−++−°100100CCbgwhere cwis the specific heat of liquid water, Lvis the latent heat of vaporization, and csis thespecific heat of steam. Solving for the mass of water converted givesmQcTLcTmNLcTwwcvshvsh=°− + +− °=100100200235100100MeVlCCAaf.P45.47(a)The number of molecules in 1.00 liter of water (mass =1 000 g) isN=×FHGIKJ×=×100 106 02 103 34 1032325...g18.0 g molmolecules molmoleculesej.The number of deuterium nuclei contained in these molecules is′=×FHGIKJ=×N334 101101 102522moleculesdeuteron3300 moleculesdeuterons.Since 2 deuterons are consumed per fusion event, the number of events possible is′N2507 1021.reactions, and the energy released is
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This note was uploaded on 12/15/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .