Why are elevated temperatures necessary to initiate fusion reactions but not fission reactions?
Answer to relevant QuestionsMuch of the research on controlled fusion focuses on the problem of how to contain the reacting material. Magnetic fields appear to be the most promising mode of containment. Why is containment such a problem? Why must one ...The biological effects of a particular source of radiation depend on several factors. List some of these factors. Even though 85Kr and 90Sr are both β-particle emitters, the dangers associated with the decay of 90Sr are ...When nuclei undergo nuclear transformations, y rays of characteristic frequencies are observed. How does this fact, along with other information in the chapter on nuclear stability, suggest that a model similar to the ...The most significant source of natural radiation is radon-222. 222Rn, a decay product of 238U, is continuously generated in the earth’s crust allowing gaseous Rn to seep into the basements of buildings. Because 222Rn is an ...Draw the structural formula for each of the following. a. 3-isobutylhexane b. 2,2,4-trimethylpentane, also called isooctane. This substance is the reference (100 level) for octane ratings. c. 2-ferf-butylpentane d. The names ...
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