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The rate of cracking and the end products are strongly dependent on the temperature and presence of catalysts. Cracking is the breakdown of large hydrocarbons into smaller, more useful alkanes and alkenes. Simply put, hydrocarbon cracking is the process of breaking long-chain hydrocarbons into short ones. This process requires high temperatures ...
Hydrogen embrittlement (HE), also known as hydrogen-assisted cracking or hydrogen-induced cracking (HIC), is a reduction in the ductility of a metal due to absorbed hydrogen. Hydrogen atoms are small and can permeate solid metals.
Chemistry for Breakfast: The Amazing Science of Everyday Life (German: Komisch, alles chemisch! Handys, Kaffee, Emotionen – wie man mit Chemie wirklich alles erklären kann) is a non-fiction book by Mai Thi Nguyen-Kim, published in 2019 by Droemer Verlag. Claire Lenkova did the illustration work.
Fluid catalytic cracking (FCC) is the conversion process used in petroleum refineries to convert the high-boiling point, high-molecular weight hydrocarbon fractions of petroleum (crude oils) into gasoline, alkene gases, and other petroleum products.
Peter William Atkins FRSC (born 10 August 1940) is an English chemist and a Fellow of Lincoln College at the University of Oxford.He retired in 2007. He is a prolific writer of popular chemistry textbooks, including Physical Chemistry, Inorganic Chemistry, and Molecular Quantum Mechanics.
The book "Applied Plastics Engineering Handbook: Processing and Materials" (first edition, published in 2011) contains the sentence "In modern cracking furnaces, the residence time is even reduced to milliseconds (resulting in gas velocities reaching speeds beyond the speed of sound) in order to improve yield of desired products."
What happens is that its molecules will get inside the hair-line crack and block it, as a result of which sodium hydroxide, even if it is there, will not be able to come in contact with iron, and no reaction will be there. Adding tannin or lignin to boiler water blocks the hair-line cracks and prevents infiltration of NaOH into these areas. [1]
Fluid catalytic cracking, a catalytic process widely used in oil refineries for cracking large hydrocarbon molecules into smaller molecules; Cracking (chemistry), the decomposition of complex organic molecules into smaller ones; Cracking joints, the practice of manipulating one's bone joints to make a sharp sound; Cracking codes, see cryptanalysis