chapter 4
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (13 张)
What are the main acids you need to know, with their chemical formula?
1- hydrochloric acid = HCl 2- sulfuric acid = H2SO4 3- nitric acid = HNO3 4- phosphoric acid = H3PO4 5- Ethanoic acid = CH3COOH
Which acid is the weak acid?
Ethanoic acid
What is the definition of an acid?
Releases H+ ions in solution and have pH of less than 7
what is the definition of a strong acid?
Completely dissociates to release H+ ions
What is the definition of a weak acid?
Partially dissociates to release H+ ions
What is a titration?
Used to accurately measure the volume of one solution that reacts exactly with a known volume of another volume
What reaction is it called when an acid reacts with a base?
neutralization reaction
What is a disproportionation reaction?
When the same element is both oxidised and reduced in the same reaction
What is a redox reaction?
Reaction involving both reduction and oxidation
What is reduction based on oxidation number?
decrease in oxidation number
what is oxidation based on oxidation numbers?
increase in oxidation numbers
What is an alkali?
releases OH- ions when dissloved in water