See also ACID, and àcid

Adjective

acid (not comparable)

Positive acid

Comparative not comparable

Superlative none (absolute)

  1. Sour, sharp, or biting to the taste; tart; having the taste of vinegar.
    acid fruits or liquors
  2. (figuratively) Sour-tempered.
  3. Of or pertaining to an acid; acidic.
  4. (music) Denoting a musical genre that is a distortion (as if hallucinogenic) of an existing genre, as in acid house, acid jazz, acid rock.

Quotations

Synonyms

Antonyms

From Wiktionary under the GNU Free Documentation License.
Fri Feb 5 05:26:24 2010

An acid (from the Latin acidus meaning sour) is traditionally considered any chemical compound that, when dissolved in water, gives a solution with a hydrogen ion activity greater than in pure water, i.e. a pH less than 7.0. That approximates the modern definition of Johannes Nicolaus Brønsted and Martin Lowry, who independently defined an acid as a compound which donates a hydrogen ion (H) to another compound (called a base). Common examples include acetic acid (in vinegar) and sulfuric acid (used in car batteries). Acid/base systems are different from redox reactions in that there is no change in oxidation state. Acids can occur in solid, liquid or gaseous form, depending on the temperature. They can exist as pure substances or in solution.

Chemicals or substances having the property of an acid are said to be acidic (adjective).

Definitions and concepts

Main article: Acid–base reaction

From Wikipedia under the GNU Free Documentation License
Wed Jan 13 04:00:18 2010

What happens when a strong acid and strong base are combined in a neutralization reaction?
Q. A.The products in the reaction will be acidic with a pH of less than five. B.The acid donates protons to the base to form the products. C.Water and an insoluble covalent compound are formed. D.The OH- is transferred from the acid to the base. E.A new base and acid will be formed.
Asked by Joe - Tue Jul 7 11:19:33 2009 - - 2 Answers - 0 Comments

A. Water and salt will be formed Afaik. Although most salts are soluble in water, so none of the answers seem right (C is closest though).
Answered by Chapaev - Tue Jul 7 11:24:55 2009

How long should lactic acid last and how do i know if its lactic acid?
Q. I had a hard practice and the next day i barley could move my leg but i walked on it the whole day and i can move it now but it still hurts. I can barley straighten out my leg without the pain getting worse. Its kind of like a pain thats just push on my mucles and bones. Ive had it for 5 days now and it still has a pain. Is this lactic acid and if it is when will it go away?
Asked by help1993 - Sun Feb 15 21:39:44 2009 - - 1 Answers - 0 Comments

A. If the pain is the same or getting worse, it may be not lactic acid. Usually the best way to get the lactic acid out of your muscles is more movement + mineral water (the real thing, not just carbonized water). Are you sure that the pain is in the muslces and not joints? Since you've been moving around, 5 days sounds like a really long time (to me). Unless you're not replacing your body fluids properly (try these electroylte drinks, mineral waters etc.) it might be some kind of another injury (tear or even rip of other tissues), see a health care provider: a) if there is no change in pain b) if it doesn't improve at all with the aforementioned addictions good luck!
Answered by Canan - Sun Feb 15 21:52:32 2009

What does the amino acid contribute as a reactant with ninhydrin?
Q. Ninhydrin reacts with amino acids to produce a purple compound. What exactly does the amino acid contribute as one of the reactants? Please help!
Asked by SAK - Sun Sep 23 21:09:31 2007 - - 1 Answers - 0 Comments

A. it reacts with primary amino groups, which are present at the end of all pepitdes at the N-terminus.
Answered by Dub - Sun Sep 23 21:16:37 2007

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