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Nuclear fusion & fission reactions (HL) answers

1. (a) Mass = (92 x 1.672622.10−27) + (143 x 1.674927.10−27) kg= (153.881224 + 239.514561) x 10-27 = 3.933958 x 10-25 kg(b) Mass of one mole of U-235 nuclei = (3.933958 x 10-25) x (6.022142 x 1023) = 2.369085 x 10-1 kgMass defect = (2.369085 – 2.350439) x 10-1 = 1.8646 x 10-3 kg mol-1Binding energy = 1.8646 x 10-3 x (2.997925 x 108)2 = 1.67582 x 1014 J mol-1 = 1.68 x 1011 kJ mol-1(c) Nuclear mass of U-235 + one...

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