Strong & Weak Acids & Bases Strong and weak acids can be distinguished from each other by their: pH value?(using a pH meter or universal indicator) Electrical conductivity Reactivity pH An ...
在我們還為美本申請系統(tǒng)開放而歡呼！韓國AP官網(wǎng)悄悄更新了2023年AP報考相關(guān)的安排。雖然報名還沒開始，但相關(guān)信息已公布得十分詳細(xì)，下面我們一起來提前了解下！AP考試韓國官網(wǎng)2023報名即將開啟！ 2023年韓國AP報...
The pH Scale The pH scale is a numerical scale that shows how?acidic?or?alkaline?a solution is The values on the pH scale go from 1-14 (extremely acidic substances have values of below 1) All acids...
Acid & Base 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 ...
Br?nsted–Lowry Theory The Br?nsted-Lowry Theory?defines acids and bases in terms of proton transfer between chemical compounds A?Br?nsted-Lowry acid?is a species that?gives away?a?proton?(H+) A?Br?...
Common Acids An?acid?is a substance that?neutralises?a base forming a?salt?and?water: 2HCl(aq) + CaO(s) ? CaCl2(aq) + H2O(l) acid??????????????????????????????? salt Acids react with bases to form ...
Haber & Contact Processes Equilibrium reactions are involved in some stages of large-scale production of certain chemicals An understanding of equilibrium and Le Chatelier’s principle is theref...
Changes that Affect the Equilibrium Constant Changes in concentration If all other conditions stay the same, the equilibrium constant?Kc?is?not affected?by any changes in concentration of the react...
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?therefore dep...
