| 单词 | weak acid |
| 释义 | weak acid noun[C] chemistryspecializeduk/ˈwiːk ˌæs.ɪd/us/ˈwiːk ˌæs.ɪd/anacidwith apHof 5 or 6 whosemoleculesdo notbreakdown intosmallermoleculesoratomsinwater 弱酸Chemistry: types of chemical
weak acid| American Dictionaryweak acid noun[C] us/ˈwik ˈæs·ɪd/chemistry anacidwith a pH of 5 or 6 whosemoleculesdo notbreakdown intosmallermoleculesoratomsinwater Examplesofweak acidweak acid By contrast, the application of sodium butyrate (weakacid) caused a fall in the ratio. From theCambridge English Corpus What makes these compounds basic is that the conjugate base from theweakacidhydrolyzes to form a basic solution. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.The electrolytes are generally composed of aweakacid, a salt ofweakacid, and a solvent, and optional thickening agent and other additives. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The latter is treated with an alcohol respective to the desired phosphite protecting group, for instance, 2-cyanoethanol, in the presence of aweakacid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.This is due to the fact that symptoms of these patients are the results ofweakacidor non-acid reflux. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.A complicating factor is that water itself is aweakacidand a weak base. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Didanosine hasweakacidstability and is easily damaged by stomach acid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Titrations between aweakacidand a weak base have titration curves which are highly irregular. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The sloog contains aweakacidthat slows the expansion of the polymer so that the growth appears to occur over several days. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.In contrast, aweakacidonly partially dissociates and at equilibrium both the acid and the conjugate base are in solution. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.In the simplest case, theweakacidis the only compound in water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Upon protonation, the unstableweakacidnitrous acid is produced. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The end product, humus, is soluble in water and forms aweakacidthat can attack silicate minerals. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Aweakaciddissolves calcite from crushed limestone, leaving only dolomite, silicates, or quartz. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It is usually prepared as an aqueous solution where it acts as aweakacid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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