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{"ops":[{"insert":"1. Describe two possible mechanisms by which "},{"attributes":{"script":"super"},"insert":"11"},{"insert":"\ud835\udc41\ud835\udc4e"},{"attributes":{"script":"sub"},"insert":"22"},{"insert":" could decay to "},{"attributes":{"script":"super"},"insert":"11"},{"insert":"\ud835\udc41\ud835\udc52"},{"attributes":{"script":"sub"},"insert":"22"},{"insert":"\n\n2. (a) Write a shorthand nuclear reaction equation of the following equation;\n"},{"attributes":{"script":"sub"},"insert":"2"},{"insert":"\ud835\udc3b"},{"attributes":{"script":"sub"},"insert":"\ud835\udc52"},{"attributes":{"script":"super"},"insert":"4"},{"insert":" + "},{"attributes":{"script":"sub"},"insert":"7"},{"insert":"\ud835\udc41"},{"attributes":{"script":"super"},"insert":"1"},{"attributes":{"script":"sub"},"insert":"4"},{"insert":" \u2192 "},{"attributes":{"script":"super"},"insert":"8"},{"insert":"\ud835\udc41"},{"attributes":{"script":"super"},"insert":"1"},{"attributes":{"script":"sub"},"insert":"7"},{"insert":" + "},{"attributes":{"script":"sub"},"insert":"1"},{"insert":"\ud835\udc3b"},{"attributes":{"script":"super"},"insert":"1"},{"insert":"\n(b) Consider the following nuclear reaction equation; "},{"attributes":{"script":"sub"},"insert":"5"},{"insert":"\ud835\udc35"},{"attributes":{"script":"super"},"insert":"1"},{"attributes":{"script":"sub"},"insert":"0"},{"insert":" + "},{"attributes":{"script":"sub"},"insert":"2"},{"insert":"\ud835\udc3b"},{"attributes":{"script":"sub"},"insert":"\ud835\udc52"},{"attributes":{"script":"super"},"insert":"4"},{"insert":" \u2192 "},{"attributes":{"script":"sub"},"insert":"6"},{"insert":"\ud835\udc36"},{"attributes":{"script":"super"},"insert":"1"},{"attributes":{"script":"sub"},"insert":"3"},{"insert":" + "},{"attributes":{"script":"sub"},"insert":"1"},{"insert":"\ud835\udc3b"},{"attributes":{"script":"super"},"insert":"1"},{"insert":"\n(i) Calculate the Q - value for this reaction.\n(ii) What can you deduce from the results of the Q \u2013 value?\n(iii) Is this reaction energetically possible? Why?\n\n3. When a neutron and a proton combine, a nucleus deuteron is formed in the process. A photon of 2.22MeV energy can disintegrate the deuteron into its components. What is the mass of the deuteron?\n\n4. (a) Distinguish between nuclear fission and nuclear fusion, giving examples.\n(b) Why do these reactions produce vast quantities of energy?\n(c) Which of them has been applied for peaceful purposes as well as destructive purposes?\n(d) Why has the other not been applied for peaceful purposes yet?\n(e) Describe a \u2018chain reaction\u2019 and explain how it occurs.\n\n"}]}

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