Search results for "P-Toluenesulfonic acid" - New World Encyclopedia

From New World Encyclopedia
  • cation. This cation is the conjugate acid of pyridine and its pKa has ... proton exchange between pyridine and p-toluenesulfonic acid ...
    11 KB (1,458 words) - 03:38, 7 December 2022
  • smooth sulfonation to give p-toluenesulfonic acid, and chlorination ... potassium permanganate leads to benzoic acid, whereas reaction with chromyl ...
    10 KB (1,406 words) - 03:55, 1 May 2023
  • presence of an acid catalyst (e.g. p-toluenesulfonic acid; BF3·Et2O), will ... group can be restored by simply adding water and acid. Ethylene glycol ...
    16 KB (2,258 words) - 04:37, 22 March 2024
  • Carbonic acid (ancient name acid of air or aerial acid) is a weak ... The presence of carbonic acid in the blood and other body fluids helps ...
    13 KB (2,013 words) - 19:10, 26 November 2023
  • upon addition of small amounts of acid or base, or upon dilution ... Blood plasma contains a buffer (of carbonic acid and bicarbonate) to maintain ...
    12 KB (1,728 words) - 18:37, 22 November 2023
  • of short-chain, non-coding ribonucleic acid (RNA) molecules in which each ... Each tRNA transports only one particular amino acid. This tRNA binds ...
    13 KB (1,936 words) - 01:34, 2 May 2023
  • The word "acid" comes from the Latin acidus meaning "sour ... An acid (often represented by the generic formula HA) is any substance ...
    16 KB (2,510 words) - 07:38, 14 June 2023
  • Valine is an α-amino acid that is found in most proteins and is essential ... also classified as an "essential amino acid" since it cannot be synthesized ...
    8 KB (1,183 words) - 14:14, 3 May 2023
  • The B vitamins include thiamine, riboflaven, niacin, pantothenic acid ... * Vitamin B5 (Pantothenic acid) * Vitamin B6 (Pyridoxine and Pyridoxamine) ...
    10 KB (1,497 words) - 20:40, 3 May 2023
  • Pyruvic acid (C3H4O3 (CH3COCO2H)) is a three-carbon, keto acid that ... Pyruvic acid is formed as an end product of glycolysis, a process ...
    14 KB (1,901 words) - 15:37, 18 June 2015
  • Formic acid (systematic name methanoic acid) is the simplest carboxylic ... This acid needs to be handled with care. Contact with liquid formic ...
    13 KB (1,811 words) - 06:35, 1 April 2024
  • Threonine is an α-amino acid that is common in many proteins and ... also classified as an "essential amino acid" since it cannot be synthesized ...
    9 KB (1,271 words) - 23:04, 30 April 2023
  • ]Methyl orange(p-dimethylamino-azobenzenesulfonic acid) ... | Carboxylic acid | Carboxyl || RCOOH | [[Image:Carboxylic-acid-skeletal ...
    13 KB (1,621 words) - 07:19, 15 April 2024
  • Ribonucleic acid (RNA) is a nucleic acid based on the sugar ribose ... or “ribonucleotides.” The nucleic acid DNA is built of nucleotides ...
    7 KB (1,027 words) - 09:19, 10 August 2022
  • be regarded as a derivative of a carboxylic acid in which the hydroxyl group ... *Amides are commonly formed from the reaction of a carboxylic acid ...
    10 KB (1,423 words) - 06:58, 25 July 2023
  • Phosphoric acid, also known as orthophosphoric acid or phosphoric ... == Preparation of orthophosphoric acid == There are two distinct kinds ...
    23 KB (3,466 words) - 04:24, 24 November 2022
  • The term acid rain is commonly used to mean the deposition of acidic ... air, to form strong acids (such as sulfuric acid and nitric acid). The main ...
    13 KB (1,971 words) - 07:41, 14 June 2023
  • Tyrosine is an α-amino acid that is found in most proteins (such ... to be a "non-essential amino acid" since it does not have ...
    14 KB (1,990 words) - 00:41, 3 May 2023
  • of which reacts with water to form carbonic acid and H+, thereby lowering the ... than 0 or greater than 14. An example is acid mine runoff, with a pH = –3 ...
    15 KB (2,240 words) - 15:20, 29 August 2023
  • group can be oxidized to a carboxylic acid. By oxidizing both methyl ... feedstock in the production of terephthalic acid, which is a monomer used to ...
    10 KB (1,443 words) - 09:56, 22 May 2023
  • Methionine is an α-amino acid present in many proteins and, together ... is classified as an "essential amino acid" since it cannot be synthesized ...
    11 KB (1,600 words) - 16:26, 9 November 2022
  • Niacin, also known as nicotinic acid or vitamin B3, is a vitamin whose ... includes thiamine, riboflavin, pantothenic acid, biotin, pyridoxine, folic ...
    11 KB (1,605 words) - 09:41, 11 March 2023
  • Nitric acid (chemical formula HNO3) is one of the most important inorganic ... This acid is a common laboratory reagent and an important industrial ...
    19 KB (2,942 words) - 02:25, 16 November 2022
  • and the prominent auxin indole-3-acetic acid (IAA) is found in almost all ... auxin, 2,4,5-Trichlorophenoxyacetic acid (2,4,5-T), one of the active ...
    15 KB (2,169 words) - 05:59, 10 January 2023
  • Phenol, also known under an older name of carbolic acid, is a toxic ... Phenol can be made from the partial oxidation of benzene or benzoic ...
    8 KB (1,204 words) - 02:56, 24 November 2022
  • and sulfates, all of which are acid hydrolases, optimally active ... proteins and nucleic acids, while the acid dependence of the enzymes ...
    11 KB (1,480 words) - 10:41, 9 March 2023
  • to as any substance that can react with an acid to decrease or neutralize ... thought of as the antithesis of an acid. The formation of salts from ...
    21 KB (3,307 words) - 11:03, 20 September 2023
  • Ribozyme (from ribonucleic acid enzyme) is a ribonucleic acid (RNA ... 1 Directed evolution of nucleic acid enzymes.] Annu Rev Biochem ...
    13 KB (1,885 words) - 20:53, 16 April 2023
  • First, benzene is heated with a concentrated mixture of nitric acid ... C6H5N=C(NHC6H5)2. Reaction with sulfuric acid at 180° C produces sulfanilic ...
    13 KB (1,817 words) - 06:09, 28 July 2023
  • Ribosomal RNA (rRNA) is a type of non-coding ribonucleic acid (RNA ... binds to an aminoacyl-tRNA (a tRNA bound to an amino acid) ...
    12 KB (1,767 words) - 20:05, 8 December 2022
  • Phosgene is the simplest and one of the most electrophilic acid chlorides ... transformations: Diphosgene (chloroformic acid ester), which is a liquid ...
    10 KB (1,416 words) - 22:44, 28 March 2023
  • or “ribonucleotides.” The nucleic acid DNA (which stands for deoxyribonucleic ... atom or multiple hydrogens in an oxygen acid.) The abbreviations are as follows: ...
    18 KB (2,589 words) - 10:10, 11 March 2023
  • Phenylalanine, an amino acid found in many proteins such as hemoglobin ... is classified as an "essential amino acid" since it cannot be synthesized ...
    15 KB (2,091 words) - 02:59, 24 November 2022
  • any one of a number of viable DNA (deoxyribonucleic acid) codings occupying a given locus (position) on a chromosome. Usually alleles are DNA sequences ...
    7 KB (1,045 words) - 18:27, 21 July 2023
  • exact definition used (primarily glutamic acid, gamma aminobutyric acid, ... neurotransmitters of the brain are glutamic acid (glutamate) and amma-aminobutyric ...
    16 KB (2,070 words) - 16:26, 11 November 2022
  • sodium nitrite in the presence of a mineral acid. In aqueous solution these ... reacts with sodium nitrite, hydrobromic acid and excess bromine to 2-bromopyridi ...
    7 KB (1,048 words) - 13:34, 15 July 2020
  • lubricants, and textiles. Hydrofluoric acid is used to etch glass, and ... found that glass was etched when exposed to acid-treated fluorspar. Karl Scheele ...
    13 KB (1,855 words) - 17:47, 28 March 2024
  • and near-neutral conditions, it is boric acid, commonly written as H3BO3 ... Although boric acid adds hydroxide to form B(OH)4−, it may be easier ...
    10 KB (1,587 words) - 19:37, 20 November 2023
  • precipitated from a solution of tellurous acid (H2TeO3) or telluric acid ... *Telluric acid (H6TeO6 or Te(OH)6): It is a weak acid, forming tellurate ...
    14 KB (1,880 words) - 05:35, 27 February 2023
  • was a compound of oxygen and hydrochloric acid (HCl), and he called it dephlogisticated ... a mixture of chlorine (Cl2), hydrochloric acid (HCl), and hypochlorous acid ...
    15 KB (2,040 words) - 17:07, 10 December 2023
  • the DNA genes through messenger ribonucleic acid (mRNA), encoding a chemical ... that a world filled with RNA (ribonucleic acid) based life predates current ...
    21 KB (3,152 words) - 09:20, 10 August 2022
  • have led researchers to determine the amino acid sequences for the cytochrome ... aerobic organisms, and comparison of amino acid sequences of the molecule ...
    15 KB (2,104 words) - 21:33, 11 June 2020
  • golf clubs, and fishing rods. Boric acid is used in textiles and insecticides ... humans, and common compounds (such as boric acid and borates) have low toxicity ...
    16 KB (2,239 words) - 19:45, 20 November 2023
  • including antioxidants such as carnosic acid and rosmarinic acid. Other ... and its constituents carnosol and ursolic acid]. Cancer Research 54(3): 701–708 ...
    12 KB (1,782 words) - 19:17, 16 December 2022
  • of a catalyst such as NO2, forms H2SO4, and thus acid rain. ... The action of hot concentrated sulfuric acid on copper turnings will ...
    13 KB (1,988 words) - 21:44, 26 February 2023
  • buildings and statues have been damaged by acid rain. == Formation ... very reactive to acidic solutions, such as acid rain. Many limestone statues ...
    10 KB (1,487 words) - 04:10, 29 October 2022
  • Tryptophan is an α-amino acid that is found in most proteins and ... also classified as an "essential amino acid" since it cannot be synthesized ...
    18 KB (2,592 words) - 18:31, 2 May 2023
  • Oxidative degradation of uracil produces urea and maleic acid in the ... Uracil is a weak acid. The first site of ionization of uracil is not ...
    14 KB (1,996 words) - 19:37, 12 November 2022
  • * The production of nitric acid by distilling a mixture of saltpeter ... * The production of sulfuric acid through the heating of alum . ...
    16 KB (2,525 words) - 08:37, 13 March 2024
  • Sulfuric acid (or sulphuric acid in British English) is a strong mineral ... Sulfuric acid has many applications, and is produced in greater amounts ...
    31 KB (4,778 words) - 21:53, 26 February 2023
  • of organic compounds and (with sulfuric acid) for cleaning laboratory glassware ... ore. By mixing crocoite with hydrochloric acid, he was able to produce chromium ...
    15 KB (2,106 words) - 21:52, 10 December 2023
  • ) is short for proteinaceous infectious particle that lacks nucleic ... structured form. Prions have the same amino acid makeup as naturally occurring ...
    17 KB (2,526 words) - 23:00, 30 November 2022
  • Birds and reptiles excrete uric acid, the product of a different form ... waste originating from protein and amino acid catabolism. In aquatic organisms ...
    16 KB (2,391 words) - 13:44, 3 May 2023
  • alcohols (such as methanol), and acetic acid. It bonds easily with many ... *hydrobromic acid (HBr) *iron(III) bromide (FeBr3) *lithium bromide (LiBr) ...
    10 KB (1,346 words) - 04:33, 22 November 2023
  • or alcohols, with sulfuric or phosphoric acid as the catalyst. quot; product 1-naphthalenesulfonic acid and the "beta" product ...
    13 KB (1,879 words) - 01:21, 11 November 2022
  • A metalloid is a chemical element with properties that are intermediate between those of metals and nonmetals. The following elements are generally ...
    7 KB (910 words) - 16:19, 9 November 2022
  • an adverse effect on plasma lipid and uric acid levels, and that higher blood ... glycolysis typically enter into the citric acid cycle and the electron transport ...
    12 KB (1,703 words) - 09:20, 21 June 2021
  • Carl Wilhelm Scheele isolated malic acid from apples. In 1813, Sir ... of lipids are waxes, fatty acids, fatty-acid derived phospholipids, sphingolipids ...
    10 KB (1,507 words) - 06:16, 1 April 2024
  • applications. Its derivative, sulfuric acid, ranks among the most important ... sulfide is quite toxic, and both sulfurous acid and sulfuric acid can harm ...
    22 KB (3,269 words) - 21:43, 26 February 2023
  • which yields the organic compound acetic acid, its key ingredient. Used ... of oxygen enables bacteria to produce amino acid, water, and other compounds ...
    21 KB (3,152 words) - 20:25, 3 May 2023
  • of aspirin by the reaction of salicylic acid (R1) with acetic anhydride ... liquid) are added plus 0.5 ml of phosphoric acid solution, and the flask is ...
    15 KB (2,143 words) - 14:40, 5 December 2023
  • be attacked by strong acids, alkalis, and acid salts. It acts as a catalyst ... chloride as a clear solution, hydrochloric acid must be added. A solution ...
    16 KB (2,335 words) - 23:38, 30 April 2023
  • [[Image:Hydrochloric acid ammonia.jpg|right|180px|thumb|Vapors of hydrogen chloride in a beaker and ammonia in a test tube meet to form a cloud ...
    12 KB (1,989 words) - 14:40, 5 December 2023
  • fertilizers and for the synthesis of nitric acid and other valuable compounds ... waste, usually in the form of urea, uric acid, and their derivatives. ...
    22 KB (3,304 words) - 02:26, 16 November 2022
  • a mixture of ethanol and sulfuric acid (then known as oil of vitriol ... process uses solid-supported phosphoric acid catalysts and can be adjusted ...
    13 KB (1,801 words) - 14:33, 29 January 2024
  • | Hydrofluoric acid || 83.6 (0 °C) |- | Formamide || 84.0 (20 °C) ... | Sulfuric acid || 84–100(20–25 °C) |- | Hydrogen peroxide || ...
    14 KB (1,888 words) - 14:27, 29 January 2024
  • of the dancing body is polyphosphate acid. It is believed that the main component is crystallized sodium polyphosphate and its function is thought ...
    10 KB (1,475 words) - 23:00, 13 November 2022
  • Acetic acid, also known as ethanoic acid, is an organic chemical compound ... This acid is an important chemical reagent and industrial chemical ...
    35 KB (5,135 words) - 07:33, 14 June 2023
  • DNA, or deoxyribonucleic acid, is a nucleic acid molecule that contains ... stretches of DNA into the related nucleic acid RNA, in a process called transcription ...
    13 KB (1,928 words) - 21:12, 23 July 2022
  • Ribonucleic acid or RNA is a polymer or chain of nucleotide units ... genetic information from deoxyribonucleic acid (DNA) into proteins. One type ...
    21 KB (3,210 words) - 21:06, 16 April 2023
  • vapor and can be collected under phosphoric acid. This process is similar to ... * Sodium tripolyphosphate made from phosphoric acid is used in laundry ...
    25 KB (3,622 words) - 22:45, 28 March 2023
  • studies in atmospheric chemistry include acid rain, photochemical smog, ... * Acid rain * Air pollution * Carbon dioxide * Earth's atmosphere ...
    11 KB (1,481 words) - 06:25, 21 August 2023
  • A Plastid is any member of a family of organelles found in the cells of all living plants and algae, but not in animals, and characterized by ...
    12 KB (1,679 words) - 16:58, 14 October 2021
  • produce the much smaller RNAs. Both nucleic acid sequences, DNA and RNA, use ... Each codon encodes for a specific amino acid, except the stop codons that ...
    18 KB (2,706 words) - 17:57, 4 November 2022
  • of medicinal use as the source of salicylic acid, the precursor to aspirin. ... bark that is heavily charged with salicylic acid; and soft, usually pliant ...
    16 KB (2,517 words) - 21:53, 25 November 2022
  • The first widely used herbicide was 2,4-dichlorophenoxyacetic acid ... used herbicides in the world. Like other acid herbicides, current formulations ...
    17 KB (2,537 words) - 15:43, 25 January 2023
  • thromboxane formation from arachidonic acid by 78 percent below control ... (when combined with conjugated linoleic acid) from chronic intake of guarana ...
    15 KB (2,227 words) - 22:26, 2 December 2021
  • between sodium silicate and sulfuric acid, which is followed by a series ... material for fertilizers, explosives, and nitric acid. At room temperature ...
    19 KB (2,837 words) - 06:18, 15 June 2023
  • * Arsenic acid (H3AsO4): This is the acid form of the arsenate ion ... * Arsenous acid or arsenious acid (H3AsO3 or As(OH)3): This weak acid ...
    21 KB (2,920 words) - 04:00, 15 August 2023
  • is a cofactor in many reactions of amino acid metabolism, including transamination ... 5'-phosphate (PMP); and 4-pyridoxic acid (PA), which the catabolite ...
    22 KB (3,234 words) - 20:41, 3 May 2023
  • metabolic pathways, such as the citric acid cycle and the synthesis of ... of coenzyme M (2-mercaptoethanesulfonic acid)]. J. Bacteriol. 137(1): 256–63 ...
    22 KB (2,903 words) - 07:19, 6 June 2023
  • particularly many grasses. Also, silicic acid (a family of chemical compounds ... some hyper-reactive combinations of nitric acid and hydrofluoric acid) do ...
    20 KB (2,980 words) - 22:04, 29 January 2023
  • vitamins was unknown. Vitamin C (ascorbic acid) is necessary for the maintenance ... two 25 drops of elixir of vitriol (sulfuric acid), group three six spoonful ...
    13 KB (2,046 words) - 21:20, 20 March 2024
  • donates a pair of electrons to a Lewis acid (an electron accepter) to ... that it can donate. To function as a Lewis acid the compound must be able ...
    25 KB (3,936 words) - 14:39, 5 December 2023
  • Vitamin C (or ascorbic acid) is a water-soluble vitamin required for ... Ascorbate, which is the ionized form of ascorbic acid, is a strong ...
    31 KB (4,437 words) - 20:15, 17 April 2023
  • The primary ingredient used on the cucumber is acetic acid, the key ingredient of vinegar. Vinegar is a sour liquid produced from the fermentation ...
    10 KB (1,505 words) - 22:47, 28 March 2023
  • leaches nutrients from the soil, while acid is produced from the decomposing ... nutrients being leached from the soil and acid being produced as organic ...
    13 KB (1,940 words) - 00:02, 12 January 2023
  • the mud from the lead chambers of sulfuric acid plants. [http://www.atsdr ... selenite is then acidified with sulfuric acid (H2SO4) to produce selenous ...
    23 KB (3,335 words) - 17:47, 25 January 2023
  • groundwater charged with H2CO3 (carbonic acid) and naturally occurring organic ... of solutional cave. They were formed by acid rising from below, rather ...
    13 KB (2,017 words) - 16:20, 3 December 2023
  • pair.) Choline is a derivative of the amino acid serine (Bender and Bender ... A derivative of both choline and acetic acid, acetylcholine is active both ...
    15 KB (2,128 words) - 23:57, 13 January 2023
  • A nonmetal is a chemical element with several properties that are opposite those of a metal. Based on their properties, the elements of the periodic ...
    6 KB (785 words) - 02:40, 16 November 2022
  • also may yield dangerous amounts of prussic acid (hydrogen cyanide) (from the ... E, copper, niacin, calcium, fiber, folic acid, magnesium, and potassium ...
    20 KB (2,967 words) - 20:41, 26 March 2024
  • salts, for example, with hydrochloric acid, sodium chloride is formed: ... This type of reaction releases heat when a strong acid is used. Such ...
    19 KB (2,762 words) - 15:05, 27 April 2023
  • two Greek words—οξυς (oxys), meaning acid or sharp, and γεινομαι ... of many inorganic acids—such as sulfuric acid, nitric acid, and carbonic ...
    23 KB (3,469 words) - 06:02, 18 November 2022
  • water from chalk by the use of sulfuric acid. Bergman's apparatus ... drinks taste sharper is due to carbonic acid inducing a slight burning ...
    25 KB (3,852 words) - 15:05, 27 April 2023
  • more viscous than water. It is a weak acid. It has strong oxidizing properties ... by reacting barium peroxide with nitric acid. An improved version of this ...
    32 KB (4,734 words) - 13:20, 4 February 2023
  • strong acids. (HAt, or "hydrastatic acid," should also qualify ... inhibitory transmitter Gamma-aminobutyric acid (GABA) and are also used by ...
    30 KB (4,368 words) - 00:41, 24 November 2022
  • Enzymes (and other proteins) are composed of amino acid chains called polypeptide chains. The linear sequence of amino acids determines the characteristic ...
    18 KB (2,741 words) - 19:04, 13 February 2024
  • should be kept away from bromine, chlorine, nitric acid, sulfuric acid and trichloromethane. == See also == * Ketone * Solvent == Notes == ...
    10 KB (1,364 words) - 07:34, 14 June 2023
  • absent and containing many carbonate and acid phosphate substitutions—is ... * Fluoroapatite is more resistant to acid attack than is hydroxylapatite ...
    15 KB (2,114 words) - 05:59, 11 August 2023

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