Edexcel A Level Chemistry:复习笔记5.2.3 Acid Strength
Acid Dissociation Strong acids A strong acid is an acid that dissociates almost completely in aqueous solutions HCl (hydrochloric acid), HNO3 (nitric acid) and H2SO4 (sulfuric acid) The posi...
Acid Dissociation Strong acids A strong acid is an acid that dissociates almost completely in aqueous solutions HCl (hydrochloric acid), HNO3 (nitric acid) and H2SO4 (sulfuric acid) The posi...
Defining pH The acidity of an aqueous solution depends on the number of H+ ions in solution The pH is defined as: pH = -log[H+] where [H+] is the concentration of hydrogen ions in mol dm–3 S...
Brønsted–Lowry Acid & Base Theory The Brønsted-Lowry Theory defines acids and bases in terms of proton transfer between chemical compounds A Brønsted acid is a species that can donate a ...
Temperature & the Equilibrium Constant Changes in temperature change the equilibrium constants Kc and Kp For an endothermic reaction such as: An increase in temperature: [H2] and [...
Equilibrium Constant Calculations Calculations involving Kc In the equilibrium expression each figure within a square bracket represents the concentration in mol dm-3 The units of Kc therefo...
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