美國TOP15文理學院公布秋季新生數據！
對于美國TOP30綜合大學逐漸走低的錄取率，學生和家長都“望而卻步”，將目光轉向了TOP20文理學院。 看一看部分已公布“Class Of 2026”新生入學情況的文理學院數據，你還“卷”得動嗎？ 鮑登學院 2023 U.S. News 文理學...
2022高含金量美國文學藝術大賽Scholastic Art & Writing Awards已開啟！
擁有100年歷史、風靡全球的 高含金量美國文學藝術大賽 受到藤校、著名藝術學院的廣泛認可 Scholastic Art & Writing Awards? 學樂藝術與寫作獎 比賽難度性：★★★★★ 比賽影響力：★★★★★ 比賽權威性：★★★★★ 帶你...
火爆全球的2022HiMCM美國高中數學建模比賽已開啟，組隊報名的小伙伴看過來！
拿到AIME入場券后申請就萬事大吉了？ 雖然AMC系列賽事有非常高的含金量 但僅靠這項背景履歷 就想“躺平”從全球數以萬計的學霸中脫穎而出？ 同樣是晉級AIME的TA們可沒有安于現狀 快來看看拿到康奈爾/賓大全獎offer...
2023QS世界雇主聲譽度排名發布！
選校，想必是最讓準留學生們糾結的問題了。不過大家最關注的，就要數英國大學的綜合排名和專業排名了。2023QS世界雇主聲譽度排名已發布！在被廣泛使用的QS排名里，“雇主聲譽”是最富有特色的一項指標。 眾所周知，...
Edexcel A Level Chemistry:復習筆記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:復習筆記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:復習筆記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:復習筆記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:復習筆記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:復習筆記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:復習筆記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考試報名已開啟，AP文科各科目難度系數和五分率盤點！
9月19日，美國大學理事會College Board?宣布大陸2023年AP考試報名正式開啟。在2022-23學年，大學理事會繼續與Prometric合作管理國內的AP考試報名和考務工作。很多家長和學員詢問應該報考什么科目？什么科目好學好...
