An acid is defined as a chemical substance that is capable of forming an aqueous solution with the ability to turn a blue litmus paper red, have a sour taste and form salts when it reacts with certain metals and bases. A substance will qualify to be an acid if it is capable of increasing the number of hydrogen ions when dissolved in water, or the capability of that substance to be deprotonated, act as a proton donor during reactions. A base is a substance that in aqueous solution feels slippery, has a bitter taste, and is capable of ...
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Acids
There are three scientifically correct definitions that define an acid substance. Arrhenius defines an acid as a substance that made up of hydrogen that when dissolved in water breaks apart increasing the concentration of hydrogen ions (H+) in the water. Bronsted-Lowry defines an acid as a proton (H+ ion) donor. Lewis describes acids as substances that accept electron pairs. Acids have a sour taste and are highly reactive with metals (Brent, 2009). Nitric acid is used as fertilizers, and hydrochloric acid is used to bricks.
Bases
A basic substance can also be described using definitions from the three authors. Arrhenius ...
There are various ions that are responsible for the acidic or basic nature of a substance. The hydrogen ions and hydroxide ions are both responsible for the acidic and basic nature of substance respectively. A neutral substance contains equal number of hydrogen ions (H+) as well as hydroxide ions (OH-) An acid is substance that dissolve and donate hydrogen ions leading to more number of hydrogen ions in a solution. A substance that dissolves water and release hydroxide ions is considered a base. A base has more number of hydroxide ions as compared to hydrogen ions hence basic. Alkalinity ( ...
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Corrosion refers to the partial and gradual dissolution of materials used in water treatment and supply systems, pumps, pipes, tanks and valves. In most circumstances, almost all water is corrosive and this may lead to structural failure, water leaks, capacity losses and deterioration of the microbial and chemical water quality (WHO 2011). The pipes used in water distribution are made of different materials such as plastic, metals (galvanized steel, copper, lead and iron), and even concrete. Pipes made from concrete and plastic tend to be corrosion resistant. In piping systems, however, there are several water quality factors working singly ...
Chapter 9 and Chapter 11 Narrations
Chapter 9: Acids and Bases Acids are defined as molecules or ions that are able to donate hydrogen ions to bases. Other authors have defined them as substances that produce hydrogen ions (H+) when dissolved in water. They are therefore proton donors (Brent 10-11). Acids and bases have become important components in biological and environmental systems and industrial processes. In fact, most of items found at home contain either acidic or basic substances. Acidic substances, which include grapefruit, lemons, vinegar and lime, taste tart or sour (Lew 1). Acids can be either diluted or concentrated. Concentrated acids such ...
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