Acid

Acid comes from the Latin word acere, which means sour. In dilute concentrations acetouss atomic number 18 responsible for the sour taste of lemons, limes, vinegar and other substances. Hydrochloric point is produced in your stomach to help digest food. Sulfuric mordant is found in car batteries. Acids sess conduct an galvanising current. Acids ar overly corrosive. When dots react with metals they form hydrogen gas. When an loony toons reacts with a carbonate it forms carbon dioxide, water, and a salt. Acids can social movement skin to burn so you should be careful when discourse acids.

Our understanding of acids began with Michael Faradays discovery in 1834 that acids are electrolytes. When they are fade away in water they produce a solution that contains ions and can conduct electricity. In 1884 Svante Arrhenius proposed that an acid be defined as a hydrogen-containing compound that when dissolved in water produces a concentration of hydrogen ions greater than that of pure water. There has been denunciation of his possible action because it applies only to water solutions while many acid-base reactions are known to take place in the absence of water.

Johannes Bronsted and doubting Thomas Lowry proposed a better theory in 1923. Their theory states that an acid is a proton donor. Although the acid must still contain hydrogen, the Bronsted-Lowry theory does not take a water medium.



The Bronsted-Lowry theory also explained why a healthy acid displaces a pale acid from its compounds.

Gilbert Lewis has offered another theory that has the advantage of not requiring the acid to contain hydrogen. This theory states that acids are electron-pair acceptors. This theory also has the advantages that it whole works when solvents other than water are involved and it does not require the formation of a salt.

One way to classify acids is as strong and weak. Their...

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