AQA A Level Chemistry復習筆記3.7.2 Chlorination of Alkanes
Mechanism: Free Radical Substitution Chain reactions A?free radical?is a species with one (or more than one) unpaired electrons The diagram shows a free radical which has one unpaired electr...
AQA A Level Chemistry復習筆記3.6.2 Mass spectrometry
Interpreting a Mass Spectrum Mass spectroscopy?is an analytical technique used to identify unknown compounds The molecules in the small sample are?bombarded?with high energy electrons which ...
AQA A Level Chemistry復習筆記3.5.5 Elimination Reactions of Alcohols
Elimination Reactions Elimination Reaction of Alcohols Alcohols can also undergo?dehydration?to form alkenes This is an example of an elimination reaction Elimination reactions involve a sma...
AQA A Level Chemistry復習筆記3.5.4 Combustion of Alcohols
Combustion of Alcohols Combustion of alcohols Alcohols react with oxygen in the air when ignited and undergo?complete combustion?to form carbon dioxide and water alcohol + oxygen → carbon di...
英國G5本科有2所認可IELTS Indicator和朗思成績，看看具體成績要求！
申請英本直升，一般最晚需要在當年6-7月前提供最終雅思成績，因為若不能及時提供合格雅思成績，便無法換取無條件offer。比如，LSE需要學生在7.31之前遞交語言成績。 眼看著DDL越來越近，然而一些手握offer的A2同...
AQA A Level Chemistry復習筆記3.5.3 Oxidation of Alcohols
Oxidation of Alcohols Oxidation of alcohols Primary alcohols can be oxidised to form?aldehydes?which can undergo further oxidation to form?carboxylic?acids Secondary alcohols can be oxidised to for...
AQA A Level Chemistry復習筆記3.5.2 Alcohol Production
Alcohol Production Alcohols?are compounds that contain at least one?hydroxy?(-OH) group The general formula of alcohols is?CnH2n+1OH Alcohols can be prepared by a wide range of chemical reac...
AQA A Level Chemistry復習筆記3.4.6 Solution to Plastic Pollution
Disposing of Polymers Though poly(alkenes)s are extremely important in everyday such as their use as?plastics, the disposal of these polymers is problematic Poly(alkenes) are very large alka...
AQA A Level Chemistry復習筆記3.4.5 Addition Polymers
Addition Polymers Addition polymerisation Addition polymerisation?is one of the most important addition reactions of alkenes which form the basis of the plastics industry Addition polymerisa...
AQA A Level Chemistry復習筆記3.4.4 Test for Unsaturation
Test for Unsaturation Halogens can be used to test if a molecule is?unsaturated?(i.e. contains a double bond) Br2(aq) is an orange or yellow solution, called?bromine water?and this is the ha...
2022 ISSCY聯合國高中人文社科寫作大賽報名開啟！附獲獎作文賞析
ISSCY 聯合國協會寫作比賽 是一項針對全球高中生的研究型寫作學術活動，為了促進世界各地中學生對人文和社會科學的研究，ISSCY邀請年輕思想者將他們的研究論文提交評審委員會審議。 學生將提交初賽建議，如果被選...
AQA A Level Chemistry復習筆記3.4.3 Reactions of Alkenes
Alkenes: Reactions Alkenes are very useful compounds as they can undergo many types of reactions They can therefore be used as starting molecules when making new compounds Electrophilic addi...
