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Nuclear Binding Energy a)Calculate the mass defect of the helium nucleus 52He. The mass of neutral 52He...

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Chemistry

Nuclear Binding Energy

a)Calculate the mass defect of the helium nucleus 52He. The massof neutral 52He is given by MHe=5.012225amu. Express your answer inatomic mass units to four significant figures.

b)Calculate the binding energy E of the helium nucleus 52He(1eV=1.602×10−19J). Express your answer in millions of electronvolts to four significant figures.

c)Calculate the binding energy per nucleon of the helium nucleus52He. Express your answer in millions of electron volts to foursignificant figures.

Answer & Explanation Solved by verified expert
4.0 Ratings (585 Votes)

Mass defect = total mass or neucleons - actual mass

                      = mass of protons + no of neutrons - actual mass

                       = 2*1.00728+3*1.00866-5.012225

                      = 0.0283 amu

1 amu   = 931mev

                    = 0.0283*931Mev = 26.3473Mev   = 26.3473 *106 * 1.602*10-19 J

                            Binding energy                          = 42.2*10-13 J = 4.22*10-12 J
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