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9 de jul. de 2019 · In a chain reaction, one action leads to another and another. In science, a chain reaction is a series of reactions where the products contribute to the reactants of another reaction without outside influence. The idea of chain reactions was introduced by German chemist Max Bodenstein in 1913 in reference to chemical reactions.
Chain Reaction is a 1996 American science fiction action thriller film directed by Andrew Davis, starring Keanu Reeves, Morgan Freeman, Rachel Weisz, Fred Ward, Kevin Dunn and Brian Cox. The plot centers on the invention of a new non-contaminating power source based on hydrogen and the attempts by the United States Government to prevent the spreading of this technology to other countries.
Nuclear chain reaction. 1) A uranium-235 atom absorbs a neutron and fissions into two fission fragments, releasing three new neutrons and a large amount of binding energy. 2) One of those neutrons is absorbed by an atom of uranium-238, and does not continue the reaction. Another neutron leaves the system without being absorbed.
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27 de sept. de 2023 · The faster the chain reaction — that is, the larger the number of U235 atoms that disintegrate each second — the faster energy is released and the hotter the fuel rods become. The uranium in a nuclear reactor is thoroughly mixed with neutral material and formed into pellets about half inch wide and three-quarters of an inch long.
