Apple Roof Cleaning
Roof Cleaning Instructor
check this article out TIM
neutralization, chemical reaction, according to the Arrhenius theory of acids and bases acids and bases, two related classes of chemicals; the members of each class have a number of common properties when dissolved in a solvent, usually water. Properties
Acids in water solutions exhibit the following common properties: they taste sour; turn litmus paper red; and react with certain metals, such as zinc, to yield hydrogen gas.
..... Click the link for more information. , in which a water solution of acid is mixed with a water solution of base to form a salt salt, chemical compound (other than water) formed by a chemical reaction between an acid and a base (see acids and bases ). Characteristics and Classification of Salts
The most familiar salt is sodium chloride , the principal component of common table salt. Sodium chloride, NaCl, and water, H
..... Click the link for more information. and water; this reaction is complete only if the resulting solution has neither acidic nor basic properties. Such a solution is called a neutral solution. Complete neutralization can take place when a strong acid, such as hydrochloric acid, HCl, is mixed with a strong base, such as sodium hydroxide, NaOH. Strong acids and strong bases completely break up, or dissociate, into their constituent ions when they dissolve in water. In the case of hydrochloric acid, hydrogen ions, H+, and chloride ions, Cl−, are formed. In the case of sodium hydroxide, sodium ions, Na+, and hydroxide ions, OH−, are formed. The hydrogen and hydroxide ions readily unite to form water. If the number of hydrogen ions in the hydrochloric acid solution is equal to the number of hydroxide ions in the sodium hydroxide solution, complete neutralization occurs when the two solutions are mixed. The resulting solution contains sodium ions and chloride ions that unite when the water evaporates to form sodium chloride, common table salt. In a neutralization reaction in which either a weak acid or a weak base is used, only partial neutralization occurs. In a neutralization reaction in which both a weak acid and a weak base are used, complete neutralization can occur if the acid and the base are equally weak. The heat produced in the reaction between an acid and a base is called the heat of neutralization. When any strong acid is mixed with any strong base, the heat of neutralization is always about 13,700 calories for each equivalent weight equivalent weight. The equivalent weight of an element or radical is equal to its atomic weight or formula weight divided by the valence it assumes in compounds. The unit of equivalent weight is the atomic mass unit ; the amount of a substance in grams numerically equal to the equivalent weight is called a gram equivalent.
..... Click the link for more information. of acid and base neutralized. See article on pH; titration titration (tītrā`shən), gradual addition of an acidic solution to a basic solution or vice versa (see acids and bases ); titrations are used to determine the concentration of acids or bases in solution.
..... Click the link for more information. .
