| 词汇 | example_english_strong-acid |
| 释义 | Examples of strong acidThese 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. Ammonium thiocyanate in trifluoroacetic acid and acetic anhydride is added to the peptide, the strongacid protonates the carboxyl group, activating it. Guanine can be hydrolyzed with strongacid to glycine, ammonia, carbon dioxide, and carbon monoxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thus, it is less capable than a strongacid of donating protons. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A strongacid is one that completely ionizes (dissociates) in a solution. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Reacting metal sulfides with strongacid liberates hydrogen sulfide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is the only hydrohalic acid that is not considered a strongacid, i.e. it does not fully ionize in dilute aqueous solutions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Any acid which is a stronger acid than the ammonium ion will be a strongacid in liquid ammonia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chemical burns can be caused by over 25,000 substances, most of which are either a strong base (55%) or a strongacid (26%). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The alkylation process alkylates isobutane with isobutylene using a strongacid catalyst. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An example is the weakly acidic ammonium chloride, which is produced from the strongacid hydrogen chloride and the weak base ammonia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Like picric acid, it is a moderately strongacid, capable of displacing carbon dioxide from solutions of sodium carbonate, for example. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Because of this, the hydrogen ion concentration increases by less than the amount expected for the quantity of strongacid added. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the presence of a strongacid catalyst, carboxylic acids can condense to form acid anhydrides. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a very strongacid, dilute fluoronium solutions are corrosive and can attack the skin. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is classified as a very strongacid, and is highly corrosive. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a colorless solid, used as a strongacid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For a strongacid and a strong base, the curve will be relatively smooth and very steep near the equivalence point. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the next step, a strongacid (either hydrochloric acid or sulfuric acid) is added to acidify the solution. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hydrosilanes undergo hydrolysis in strongacid or base (affording hydrogen gas); thus, maintaining anhydrous conditions during these reactions is important. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In practice the mixture can be created by dissolving the acid in water, and adding the requisite amount of strongacid or base. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Although it is inefficient, it does not require the use of another strongacid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. By treating it with strongacid, the amorphous regions can be broken up, thereby producing nanocrystalline cellulose, a novel material with many desirable properties. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The alkaline region is treated in the same manner as for a titration of strongacid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It releases strongacid upon contact with water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The resulting solution is called hydrochloric acid and is a strongacid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most of the amino acids in the protein are then hydrolyzed, usually by the use of a strongacid such as hydrochloric acid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hydrochloric acid is a strongacid, since it is essentially completely dissociated in water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A solution of the compound in the medium is acidified with a strongacid to the point where the compound is fully protonated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The neutrality of such solutions reflects the fact that sulfate is derived, formally, from the strongacid sulfuric acid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Nevertheless, strongacid catalysts are often grouped with hydrogen bond catalysts as they represent on extreme on this continuum and their catalytic behaviors share similarities. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a powerful oxidizer when hot, but its aqueous solutions up to approximately 70% and room temperature are generally safe, only showing strongacid features and no oxidizing properties. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This generally means that in aqueous solution at standard temperature and pressure, the concentration of hydronium ions is equal to the concentration of strongacid introduced to the solution. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Stricture formation is frequent after ingesting caustic chemicals such as strong acids or alkalis. As a result a strongacid such as perchloric acid exhibits more strongly acidic properties than a weak acid such as acetic acid when dissolved in a weakly basic solvent. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a strongacid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is produced with high efficiency by reducing sodium chlorate in a strongacid solution with a suitable reducing agent such as methanol, hydrogen peroxide, hydrochloric acid or sulfur dioxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Like typical sulfonic acids, it is a relatively strongacid that is a colorless solid at room temperature and is soluble in water and a wide variety of organic substances. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, when a small amount of water is added to the chemical, it forms a strongacid and quickly corrodes galvanized iron and more slowly corrodes pure iron. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Strong acids, sulfuric acid in particular, are widely used in mineral processing. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As sulfonic acids tend to be strong acids, the corresponding sulfonates are weak bases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is one of the few strong acids that is solid and, hence, conveniently weighed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Alternately, precipitated phosphates could be made from ground-up bones that had been de-greased and treated with strong acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is also incompatible with strong acids and strong oxidizing agents. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. With strong acids, it can be doubly protonated to give. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They react with strong acids to release hydrogen sulfide gas again. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This leads to protonation of very strong acids like hydrochloric, sulfuric, or nitric when using concentrated hydrofluoric acid solutions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Strong acids or abrasive processes are required to remove the unsightly firestain. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Opisthobranchs secrete irritants such as strong acids or accumulate toxins from their food. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The acids are further divided into weak (picric, acetic and formic acid) and strong acids (nitric and hydrochloric acid). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sulfonic acids, which are organic oxyacids, are a class of strong acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The difference separating the acid dissociation constants of strong acids from all other acids is so small that this is a reasonable demarcation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Fluorine even attacks silica, one of the favored materials for transporting strong acids, and burns asbestos. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Strong acids are said to be fully dissociated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Treating graphite with strong acids in the presence of oxidizing agents, causes the graphite to oxidise. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Although strong acids may be used in the apparatus, the reaction will not net consume the acid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Strong acids protonate the oxygen to give onium ions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Conditions/substances to avoid are: strong acids, strong oxidizers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It will react with hydrogen fluoride, fluorine, oxygen difluoride, chlorine trifluoride, strong acids, strong bases, and oxidizers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Concrete works very well for many liquids, but it is unsuitable for some applications like containing strong acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They have very low electrical conductivity, high heat stability, and high resistance to alkalies and strong acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Concentrated nitric and hydrofluoric acids do not rapidly attack yttrium, but other strong acids do. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The reaction is catalyzed by strong acids such as sulfuric acid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Very long exposures in bright light were required, but bitumen had the advantage that it was superbly resistant to strong acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. With the exception of hydrofluoric acid, the halogen halides are strong acids, with acid strength increasing down the group. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It reacts with strong acids to produce toxic hydrogen telluride gas. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. By contrast, the univalent anions perchlorate and permanganate ions are very difficult to protonate and so the corresponding acids are strong acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Polyamide is sensitive to degradation by acids and polyamide mouldings will crack when attacked by strong acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Activators increase the penetration rate; for dichloromethane water is suitable, other choices are amines, strong acids or strong alkalis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It reacts with strong acids such as concentrated sulfuric acid and with strong bases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For strong electrolytes, such as salts, strong acids and strong bases, the molar conductivity depends only "weakly" on concentration. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For strong acids and bases no calculations are necessary except in extreme situations. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Meanwhile, the oxygen atom has lone pairs of nonbonded electrons that render it weakly basic in the presence of strong acids such as sulfuric acid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is not effective for a number of poisonings including with: strong acids or alkali, iron, lithium, arsenic, methanol, ethanol or ethylene glycol. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemical can decompose upon contact with strong acids, strong bases, metal, water, or glass. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Very strong acids such as hydrochloric acid are required to protonate indole. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Strong acids, such as sulfuric, phosphoric and hydrochloric acids also effect dehydration and condensation reactions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Nylon is sensitive to degradation by acids, a process known as hydrolysis, and nylon mouldings will crack when attacked by strong acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The catalytic sites in the zeolite are strong acids (equivalent to 90% sulfuric acid) and provide most of the catalytic activity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sodium cyanide reacts rapidly with strong acids to release hydrogen cyanide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is slowly attacked by strong acids and is degraded by hydrofluoric and hot sulfuric acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is one of the least hazardous strong acids to handle; despite its acidity, it consists of the non-reactive and non-toxic chloride ion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They are strong acids that are typically soluble in organic solvents. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A solution called "pickle liquor", which contains strong acids, is used to remove the surface impurities. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, nitrogen, sulfur and chlorine are strongly electronegative elements, and therefore nitric acid, sulfuric acid, and perchloric acid, are strong acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Reductones are strong reducing agents, thus efficacious antioxidants, and fairly strong acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Strong acids also undergo hydrolysis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He also studied nitrosamines, a cancer-causing compound found in cured and smoked meats and in pickled foods, generated when nitrites in the food react with strong acids or high temperatures. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The rate of protonation is related to the acidity of the protonating species, in that protonation by weak acids is slower than protonation of the same base by strong acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Strong acids protonate the carbonyl, which makes the oxygen positively charged, so that it can easily receive the double bond electrons when the alcohol attacks the carbonyl carbon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In common with other corrosive strong acids and strong alkalis, it readily decomposes proteins and lipids through amide hydrolysis and ester hydrolysis upon contact with living tissues. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. With a strength comparable to nitric acid, fluoroboric acid is a strongacid with a weakly coordinating, non-oxidizing conjugate base. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Nitric acid is a strongacid and a powerful oxidizing agent. 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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