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- Acid abstract "An acid (from the Latin acidus/acēre meaning sour) is a chemical substance whose aqueous solutions are characterized by a sour taste, the ability to turn blue litmus red, and the ability to react with bases and certain metals (like calcium) to form salts. Aqueous solutions of acids have a pH of less than 7. A lower pH means a higher acidity, and thus a higher concentration of hydrogen ions in the solution. Chemicals or substances having the property of an acid are said to be acidic.Common examples of acids include hydrochloric acid (a solution of hydrogen chloride which is found in gastric acid in the stomach and activates digestive enzymes), acetic acid (vinegar is a dilute solution of this liquid), sulfuric acid (used in car batteries), and tartaric acid (a solid used in baking). As these examples show, acids can be solutions or pure substances, and can be derived from solids, liquids, or gases. Strong acids and some concentrated weak acids are corrosive, but there are exceptions such as carboranes and boric acid.There are three common definitions for acids: the Arrhenius definition, the Brønsted-Lowry definition, and the Lewis definition. The Arrhenius definition defines acids as substances which increase the concentration of hydrogen ions (H+), or more accurately, hydronium ions (H3O+), when dissolved in water. The Brønsted-Lowry definition is an expansion: an acid is a substance which can act as a proton donor. By this definition, any compound which can easily be deprotonated can be considered an acid. Examples include alcohols and amines which contain O-H or N-H fragments. A Lewis acid is a substance that can accept a pair of electrons to form a covalent bond. Examples of Lewis acids include all metal cations, and electron-deficient molecules such as boron trifluoride and aluminium trichloride.".
- Acid thumbnail Zn_reaction_with_HCl.JPG?width=300.
- Acid wikiPageExternalLink 10081.
- Acid wikiPageExternalLink A00071.html.
- Acid wikiPageExternalLink lecture%2017.pdf.
- Acid wikiPageExternalLink acidbases.html.
- Acid wikiPageExternalLink data-ka.htm.
- Acid wikiPageExternalLink lrtap.
- Acid wikiPageExternalLink Curtipot_.html.
- Acid wikiPageID "656".
- Acid wikiPageRevisionID "605888442".
- Acid hasPhotoCollection Acid.
- Acid subject Category:Acid-base_chemistry.
- Acid subject Category:Acids.
- Acid comment "An acid (from the Latin acidus/acēre meaning sour) is a chemical substance whose aqueous solutions are characterized by a sour taste, the ability to turn blue litmus red, and the ability to react with bases and certain metals (like calcium) to form salts. Aqueous solutions of acids have a pH of less than 7. A lower pH means a higher acidity, and thus a higher concentration of hydrogen ions in the solution.".
- Acid label "Acid".
- Acid label "Acide".
- Acid label "Acido".
- Acid label "Kwasy".
- Acid label "Säuren".
- Acid label "Zuur (scheikunde)".
- Acid label "Ácido".
- Acid label "Ácido".
- Acid label "Кислота".
- Acid label "حمض".
- Acid label "酸".
- Acid label "酸".
- Acid sameAs Kyselina.
- Acid sameAs Säuren.
- Acid sameAs Οξύ.
- Acid sameAs Ácido.
- Acid sameAs Azido.
- Acid sameAs Acide.
- Acid sameAs Asam.
- Acid sameAs Acido.
- Acid sameAs 酸.
- Acid sameAs 산_(화학).
- Acid sameAs Zuur_(scheikunde).
- Acid sameAs Kwasy.
- Acid sameAs Ácido.
- Acid sameAs m.0hqs.
- Acid sameAs Q11158.
- Acid sameAs Q11158.
- Acid wasDerivedFrom Acid?oldid=605888442.
- Acid depiction Zn_reaction_with_HCl.JPG.
- Acid isPrimaryTopicOf Acid.
