Acid dissociation constant

•  Acid

  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 in its standard state. 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. Common examples include acetic acid and sulfuric acid.

  

  30.0%
  

  60.0%
  

  10.0%
  
•  Carboxylic acid

  Carboxylic acids are organic acids characterized by the presence of at least one carboxyl group, which has the formula -C(=O)OH, usually written -COOH or -CO2H. Carboxylic acids are Brønsted-Lowry acids — they are proton donors. Salts and anions of carboxylic acids are called carboxylates. The general formula of a carboxylic acid is therefore R-COOH, where R is some monovalent functional group.

  

  25.0%
  

  16.7%
  

  58.3%
  
•  Nitric acid

  Nitric acid, also known as aqua fortis and spirit of nitre, is a highly corrosive and toxic strong acid. Colorless when pure, older samples tend to acquire a yellow cast due to the accumulation of oxides of nitrogen. If the solution contains more than 86% nitric acid, it is referred to as fuming nitric acid. Fuming nitric acid is characterized as white fuming nitric acid and red fuming nitric acid, depending on the amount of nitrogen dioxide present.

  

  42.9%
  

  14.3%
  

  42.9%
  
•  Sulfuric acid

  Sulfuric acid (sulphuric acid in British English) is a strong mineral acid with the molecular formula H2SO4. It is soluble in water at all concentrations. Sulfuric acid has many applications, and is one of the top products of the chemical industry. World production in 2001 was 165 million tonnes, with an approximate value of US$8 billion.

  

  41.7%
  

  33.3%
  

  25.0%
  
•  Hydronium

  In chemistry, hydronium is the common name for the aqueous cation H3O, the type of oxonium ion, produced by protonation of water. It is the positive ion present when an Arrhenius acid is dissolved in water, as Arrhenius acid molecules in solution give up a proton (a positive hydrogen ion, H) to the surrounding water molecules (H2O). It is the presence of hydronium ion relative to hydroxide that determines a solution's pH.

  

  28.6%
  

  14.3%
  

  57.1%
  
•  Strong acid

  A strong acid is an acid that dissociates completely in an aqueous solution by losing one proton, according to the equation HA(aq) → H(aq) + A(aq) For sulfuric acid which is diprotic, the "strong acid" designation refers only to dissociation of the first proton H2SO4(aq) → H(aq) + HSO4(aq) More precisely, the acid must be stronger in aqueous solution than hydronium ion, so strong acids are acids with a pKa < −1.74.

  

  42.9%
  

  28.6%
  

  28.6%
  
•  Carbonic acid

  Carbonic acid (ancient name acid of air or aerial acid) has the formula H2CO3. It is also a name sometimes given to solutions of carbon dioxide in water, which contain small amounts of H2CO3. The salts of carbonic acids are called bicarbonates (or hydrogen carbonates) and carbonates. It is a weak acid. Carbonic acid should never be confused with carbolic acid, an antiquated name for phenol.

  

  33.3%
  

  0.0%
  

  66.7%
  
•  Perchloric acid

  Perchloric acid is the inorganic compound with the formula HClO4. Usually encountered as an aqueous solution, this colourless compound is a strong acid comparable in strength to sulfuric and nitric acids. It is useful for preparing perchlorate salts, especially ammonium perchlorate, an important rocket fuel. Perchloric acid is also dangerously corrosive and readily forms explosive mixtures.

  

  40.0%
  

  40.0%
  

  20.0%
  
•  Aqua regia

  Aqua regia or aqua regis (Latin for royal water or king's water) is a highly corrosive, fuming yellow or red solution, also called nitro-hydrochloric acid. The mixture is formed by freshly mixing concentrated nitric acid and concentrated hydrochloric acid, usually in a volumetric ratio of 1:3 respectively. It was named so because it can dissolve the so-called "royal metals," or noble metals, gold and platinum.

  

  50.0%
  

  30.0%
  

  20.0%
  
•  Boric acid

  Boric acid, also called boracic acid or orthoboric acid or acidum boricum, is a weak acid often used as an antiseptic, insecticide, flame retardant, in nuclear power plants to control the fission rate of uranium, and as a precursor of other chemical compounds. It exists in the form of colorless crystals or a white powder and dissolves in water. It has the chemical formula H3BO3, sometimes written B(OH)3. When occurring as a mineral, it is called sassolite.

  

  20.0%
  

  40.0%
  

  40.0%
  

• Acids by likeorhate
• Analytical chemistry by likeorhate
• Bases by likeorhate
• Physical chemistry by likeorhate
• Equilibrium chemistry by likeorhate

Register now, and make your vote count more!

•  Maynard James Keenan

  Maynard James Keenan (born James Herbert Keenan on April 17, 1964) is an American rock singer, songwriter, musician, record producer, winemaker, and actor. Originally from Ohio, Keenan spent his high school and college years in Michigan. After serving in the Army in the early 1980s, he attended Kendall College of Art and Design in Grand Rapids. He moved to Los Angeles, California in 1988 to pursue a career in interior design and set construction.

  

  0.0%
  

  50.0%
  

  50.0%
  
•  Toni Hoffman

  Toni Ellen Hoffman received the 2006 Australian of the Year Local Hero Award for her role as a whistleblower in informing Queensland Politician Rob Messenger about Jayant Patel a surgeon who was the subject of the Morris Inquiry and later the Davies Commission. She originally began to raise doubts about the ability of Patel with management and other staff. Both doctors and surgeons who were familiar with his work were also deeply concerned.

  

  0.0%
  

  0.0%
  

  0.0%
  
•  M. Zainul Majdi

  M. Zainul Majdi is the current Governor of West Nusa Tenggara. He was inaugurated by Minister of Interior, Mardiyanto on September 17, 2008.

  

  0.0%
  

  0.0%
  

  0.0%
  
• Bulgarian businesspeople by likeorhate
•  Milsons Point (Lavender Bay sites) railway stations, Sydney

  

  37.8%
  

  24.3%
  

  37.8%