File Name: chemical properties of acids and bases .zip
Aqueous Arrhenius acids have characteristic properties which provide a practical description of an acid. Chemicals or substances having the property of an acid are said to be acidic. Common aqueous 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 aqueous solution of this liquid , sulfuric acid used in car batteries , and citric acid found in citrus fruits. As these examples show, acids in the colloquial sense can be solutions or pure substances, and can be derived from acids in the strict  sense that are solids, liquids, or gases. Strong acids and some concentrated weak acids are corrosive , but there are exceptions such as carboranes and boric acid. The second category of acids are Lewis acids , which form a covalent bond with an electron pair. An example is boron trifluoride BF 3 , whose boron atom has a vacant orbital which can form a covalent bond by sharing a lone pair of electrons on an atom in a base, for example the nitrogen atom in ammonia NH 3.
CSS: 5d For example, pH 4 is ten times more acidic than pH 5 and times 10 times 10 more acidic than pH 6. Give 3 examples of acids and 3 examples of bases from the pH Scale on the site. Describe the physical qualities of bases. Remember all of these chemical properties affect the protein at the same time.
Many people enjoy drinking coffee. A cup first thing in the morning helps start the day. But keeping the coffee maker clean can be a problem. Lime deposits build up after a while and slow down the brewing process. The best cure for this is to put vinegar dilute acetic acid in the pot and run it through the brewing cycle. The vinegar dissolves the deposits and cleans the maker, which will speed up the brewing process back to its original rate. Just be sure to run water through the brewing process after the vinegar, or you will get some really horrible coffee.
Organic acids: Acids derived from living organisms like plants and animals. For example: citric acid is present in fruits, acetic acid present in vinegar, oxalic acid present in tomato, tartaric acid present in tamarind, lactic acid present in sour milk and curd. Mineral acids: They are also called inorganic acids. Strong acids: Completely dissociate into its ions in aqueous solutions. Weak acids: Weak acids are those acids which do not completely dissociate into its ions in aqueous solutions.
Many people enjoy drinking coffee. A cup first thing in the morning helps start the day. But keeping the coffee maker clean can be a problem. Lime deposits build up after a while and slow down the brewing process. The best cure for this is to put vinegar dilute acetic acid in the pot and run it through the brewing cycle.
Acids are substances that contain one or more hydrogen atoms that, in solution , are released as positively charged hydrogen ions. An acid in a water solution tastes sour, changes the colour of blue litmus paper to red, reacts with some metals e. Bases are substances that taste bitter and change the colour of red litmus paper to blue. Bases react with acids to form salts and promote certain chemical reactions base catalysis.
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