b) Nuclear fusion is regarded as the ultimate power source due to the huge amount of energy released during this process

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B Nuclear Fusion Is Regarded As The Ultimate Power Source Due To The Huge Amount Of Energy Released During This Process 1 (59.73 KiB) Viewed 24 times

b) Nuclear fusion is regarded as the ultimate power source due to the huge amount of energy released during this process. The sun is a highly efficient nuclear reactor in which a 'He nucleus can be produced out of four 'Hatoms. The diagram below shows the binding energy per nucleon for a range of atoms. 10 yo Fe Sn Ене HU fission Binding energy per nucleon (MeV) fusion не 2 250 50 100 150 200 Number of nucleons, A (mass number) (0) Using the graph above, calculate the approximate binding energy in joules for an oxygen atom 1907 (5 marks) (11) 23EU can undergo nuclear fission by splitting into 5Rb and 13}Cs each with a binding energy per nucleon of 8.4 MeV. Calculate the energy released in MeV, when one atom of 235U (binding energy per nucleon of 7.6 MeV) undergoes nuclear fission as described. Where does this energy come from? (4 marks) energy released by fissio = 179.6 Mev When four 'Hatoms fuse together to create a "He nucleus, 7.07 MeV per nucleon of energy is released. One gram of 23 U contains approximately 2.56 x 10 atoms and one gram of 'H contains 6.02 x 10" atoms. Using this information and your answer to (b)(). show that fusion releases nearly 10 times as much energy as fission. (4 marks) (ili)