In 1913, the German chemist Max Bodenstein first put forth the idea of chemical chain reactions. If two molecules react, not only molecules of the final reaction products are formed, but also some unstable molecules which can further react with the parent molecules with a far larger probability than the initial reactants. (In the new reaction, further unstable molecules are formed besides the stable products, and so on.) WebA possible nuclear fission 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 …

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WebA chain reaction refers to a process in which neutrons released in fission produce an additional fission in at least one further nucleus. This nucleus in turn produces neutrons, and the process repeats. The process may be controlled (nuclear power) or uncontrolled (nuclear weapons). WebN 2 + 3H 2 → 2NH 3 + Heat C + O 2 → CO 2 + Heat Endothermic Reactions When heat is absorbed from the reacting substances this is known as an Endothermic Reaction. Example 2C + H 2 - Heat → C 2 H 2 3O 2 - Heat → 2O 3 But remember, whether endothermic or exothermic, both types of reactions still require an Activation Energy to begin. intertherm 50 hta097

Chain reaction chemistry Britannica

WebUranium-235 Chain Reaction. If an least one neutron from U-235 fission strikes another nucleus and causes it to fission, then the chain reaction will continue. If the reaction will sustain itself, it is said to be "critical", and … WebJul 9, 2024 · 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. … Webchain reaction: [noun] a series of events so related to each other that each one initiates the next. a number of events triggered by the same initial event. newgen probiotics