AP化學(xué)考試內(nèi)容有哪些？2023年AP課程考試報(bào)名開(kāi)啟！
在許多AP科目中，化學(xué)的五分率一直不高，AP化學(xué)AP化學(xué)5分的容錯(cuò)率為25%左右，作為大部分理、工科學(xué)生必修的一門(mén)課程，是很多同學(xué)報(bào)考的科目。AP化學(xué)考試內(nèi)容有哪些？2023年AP課程考試報(bào)名開(kāi)啟！尤其是社會(huì)考生！ ...
Edexcel A Level Chemistry:復(fù)習(xí)筆記7.3.4 Acyl Chlorides & Esters
Hydrolysis of Esters Hydrolysis of Esters - Acid The reverse of the esterification reaction is called?hydrolysis Ester hydrolysis is a useful reaction for creating biodegradable plastics Est...
Edexcel A Level Chemistry:復(fù)習(xí)筆記7.3.3 Reactions of Carboxylic Acids
Reactions of Carboxylic Acids In aqueous solution they are only slightly ionised, to give low concentrations of hydronium ions and alkanoate ions (often called carboxylate ions) This?partial...
Edexcel A Level Chemistry:復(fù)習(xí)筆記7.3.2 Preparation of Carboxylic Acids
Preparation of Carboxylic Acids Carboxylic acids?are compounds with a -COOH functional group They can be prepared by a series of different reactions Oxidation of primary alcohols & aldeh...
Edexcel A Level Chemistry:復(fù)習(xí)筆記7.3.1 Physical Properties of Carboxylic Acids
Physical Properties of Carboxylic Acids Carboxylic acids Carboxylic acid?is the name given to the family of compounds that contain the?carboxyl?functional group,?-COOH The general formula of...
Edexcel A Level Chemistry:復(fù)習(xí)筆記7.2.2 Testing for Carbonyls
Reactions of Carbonyls Carbonyl compounds can undergo a number of reactions, some of which allow you to distinguish between an aldehyde and a ketone Oxidation?- with?acidified potassium dich...
Edexcel A Level Chemistry:復(fù)習(xí)筆記7.2.1 Carbonyl Compounds
Aldehydes & Ketones Aldehydes and ketones contain the carbonyl functional group, C=O This is why aldehydes and ketones are also known as carbonyls The difference between aldehydes and ke...
Edexcel A Level Chemistry:復(fù)習(xí)筆記7.1.1 Chirality
Optical isomers A carbon atom that has four different atoms or groups of atoms attached to it is called a?chiral carbon?or?chiral centre Chira comes from a Greek word meaning hand, so we talk about...
2023年AP考試報(bào)名已開(kāi)啟，AP文科各科目難度系數(shù)和五分率盤(pán)點(diǎn)！
9月19日，美國(guó)大學(xué)理事會(huì)College Board?宣布大陸2023年AP考試報(bào)名正式開(kāi)啟。在2022-23學(xué)年，大學(xué)理事會(huì)繼續(xù)與Prometric合作管理國(guó)內(nèi)的AP考試報(bào)名和考務(wù)工作。很多家長(zhǎng)和學(xué)員詢(xún)問(wèn)應(yīng)該報(bào)考什么科目？什么科目好學(xué)好...
