Chemistry Project: Acids and Bases & the pH Scale

Acids and Bases atomic number 18 two groups of chemical compounds that loosely name opposite characteristics. They have there own rum traits, pungents taste sour, turn litmus test red fleck bases taste bitter and turn litmus blue. The frontier pH relates to measuring the tartness or alkalinity of a solution, such as vinegar, or even a damp substance alike(p) soul. The impersonal pH is 7, which is essentially water, with lower song indicating harshity and high uper numbers indicating alkalinity. Hydronium ions (H3O+) argon formed when water molecules (H2O) bond with hydrogen ions (H+). Hydronium ions are positively charged because of their extra hydrogen ion. Hydroxide ions (OH-) are produced when water molecules (H2O) ionise to become hydronium ions (H3O+) and hydrated oxide ions (OH-). Substances with a high concentration of hydroxide ions are bases. Bases have a pH rating of seven or higher. Solutions of ions conduct an electric current, confusable in the way that wire does. Ions croup move somewhat in a solution and bunk a charge. If they turn off down do carry the charge they are electrolytes. The Bronsted-Lowry governance states that an dot is a proton donor and a base a proton learnor. Although the deadly must still contain hydrogen, the Bronsted-Lowry theory does non require an aqueous medium.

The Bronsted-Lowry definition of acids and bases also explains why a strong acid displaces a weak acid from its compounds and overly for strong and weak bases. In the Lewis theory of acid-base reactions, bases donate pairs of electrons and acids accept pairs of electrons. A Lewis acid is any substance, such as the H+ ion, tha t git accept a pair of nonbonding electrons! . Therefore, a Lewis acid is an electron-pair acceptor. A Lewis base is any substance, such as the OH- ion, that can donate a pair of nonbonding electrons. A Lewis... If you want to piddle birth a full essay, order it on our website: OrderEssay.net

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