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Peroxide. In chemistry, peroxides are a group of compounds with the structure R−O−O−R, where the R's represent a radical (a portion of a complete molecule; not necessarily a free radical [1]) and O's are single oxygen atoms. [2][3] Oxygen atoms are joined to each other and to adjacent elements through single covalent bonds, denoted by ...
Hydrogen peroxide is a chemical compound with the formula H 2 O 2.In its pure form, it is a very pale blue [5] liquid that is slightly more viscous than water.It is used as an oxidizer, bleaching agent, and antiseptic, usually as a dilute solution (3%–6% by weight) in water for consumer use and in higher concentrations for industrial use.
List of. Dead Like Me. episodes. The cover of the Region 1 first season DVD boxset released by MGM. Dead Like Me is an American comedy-drama television series created by Bryan Fuller that premiered on June 27, 2003, on Showtime in the United States and ended on October 31, 2004. The show spans two seasons, with a total of 29 episodes.
Peroxy acid. Appearance. General formulas of an organic peroxy acid (top) compared with a carboxylic acid (bottom). A peroxy acid (often spelled as one word, peroxyacid, and sometimes called peracid) is an acid which contains an acidic –OOH group. The two main classes are those derived from conventional mineral acids, especially sulfuric acid ...
In organic chemistry, organic peroxides are organic compounds containing the peroxide functional group (R−O−O−R′). If the R′ is hydrogen, the compounds are called hydroperoxides, which are discussed in that article. The O−O bond of peroxides easily breaks, producing free radicals of the form RO• (the dot represents an unpaired ...
High-test peroxide (HTP) is a highly concentrated (85 to 98%) solution of hydrogen peroxide, with the remainder consisting predominantly of water. In contact with a catalyst, it decomposes into a high-temperature mixture of steam and oxygen, with no remaining liquid water. It was used as a propellant of HTP rockets and torpedoes, and has been ...
This translates into the smaller force constant of the bond (2.8 N/cm vs. 11.4 N/cm for 3 O 2) and the lower frequency of the molecular vibration (770 cm −1 vs. 1555 cm −1 for 3 O 2). [2] The peroxide ion can be compared with superoxide O − 2, which is a radical, and dioxygen, a diradical. [2]
2 C 6 H 5 COCl + H 2 O 2 + 2 NaOH → (C 6 H 5 CO) 2 O 2 + 2 NaCl + 2 H 2 O. The oxygen–oxygen bond in peroxides is weak. Thus, benzoyl peroxide readily undergoes homolysis (symmetrical fission), forming free radicals: (C 6 H 5 CO) 2 O 2 → 2 C 6 H 5 CO • 2. The symbol • indicates that the products are radicals; i.e., they contain at ...