Edexcel A Level Chemistry:复习笔记3.2.4 Reducing Pollution
Catalytic Converters To reduce the amount of pollutants released in car exhaust fumes, many cars are now fitted with catalytic converters Precious metals (such as platinum) are coated on a h...
Edexcel A Level Chemistry:复习笔记3.2.3 Pollution from Combustion
Causes & Effects of Pollution Alkanes are combusted (burnt) on a large scale for their use as fuels Complete combustion When alkanes are burnt in excess (plenty of) oxygen, complete comb...
Edexcel A Level Chemistry:复习笔记3.2.2 Alkane Fuels
Alkane Fuels Alkanes are obtained from the fractional distillation and cracking of crude oil Fractional distillation of crude oil Crude oil is a mixture of hydrocarbons containing alkanes, c...
Edexcel A Level Chemistry:复习笔记3.2.1 Describing Alkanes
Describing Alkanes Hydrocarbons are compounds containing hydrogen and carbon only There are four families of hydrocarbons you should know: alkanes, alkenes, alkynes and arenes Alkanes, alken...
Edexcel A Level Chemistry:复习笔记3.1.5 Stereoisomerism
E/Z Isomerism Stereoisomers are compounds that have the same atoms connected to each other, however the atoms are differently arranged in space Geometrical (E/Z) isomerism Geometrical isomer...
Edexcel A Level Chemistry:复习笔记3.1.4 Structural Isomerism
Structural Isomerism Structural isomers are compounds that have the same molecular formula but different structural formulae E.g. propene and cyclopropane Both propene and cyclopropane are m...
Edexcel A Level Chemistry:复习笔记3.1.3 Nomenclature & Classification
Applying IUPAC Nomenclature Systematic nomenclature can be used to name organic compounds and therefore make it easier to refer to them The alkanes provide the basis of the naming system and...
2023 U.S. News美国大学排名出炉：哈耶普麻斯稳占前三，哥大造假风波后跌至18！
U.S. News发布2023全美最佳综合大学排名 美国时间9月13日，世界最权威排名机构U.S. News官方发布“2023 Best College Rankings”，目前已有38年历史。 今年的最新排名对1,500所美国学士学位授予机构的17项学术质量...
学员专访：十年级体制内转轨国际部，如何斩获USABO/BBO/UKChO金奖？
不仅成功从普高转轨到国际部 还在短时间内接连斩获 USABO/BBO/UKChO金奖 TA都做了哪些准备？ 快来今天的专访中寻找答案吧~ 从体制内转轨到国际部的初体验 我是在高一下学期的最后一个月通过选拔考试从体制内转到...
上海国际学校推荐假期必读书单！
你知道魔都国际学校的牛娃们都在看什么书吗？ 翰林为大家准备了上海国际学校推荐书单，其中多为包玉刚、平和、上中国际等校学生必读书单，相信这些书籍会给大家带来一定的启发！赶快收藏阅读起来！ 扫码【免费领...
Niche2023最难进美国大学排名发布！
为了让身处申请季的同学在择校时有更多的参考角度，Niche在发布了2023全美最佳大学排名后，又马不停蹄地更新了【2023年最难进美国大学榜单】！这份榜单是根据美国教育部的数据，基于各大学的录取率、ACT/SAT考试...
Edexcel A Level Chemistry:复习笔记3.1.2 Homologous Series & Functional Groups
Homologous Series & Functional Groups Homologous series A homologous series is a group of organic compounds that have the same functional group, but each successive member differs by CH2...
