英國大學關于AP考試取消的回復
前段時間的AP放榜可謂是幾家歡喜幾家愁,5分的成績單滿朋友圈的飛,翰林也發出了2022年AP年度盤點!翰林送出近2萬元的5分獎學金! 但還有很多同學依舊沉浸在AP考試被取消的陰影中。 受疫情的影響,今年5月上海、...
前段時間的AP放榜可謂是幾家歡喜幾家愁,5分的成績單滿朋友圈的飛,翰林也發出了2022年AP年度盤點!翰林送出近2萬元的5分獎學金! 但還有很多同學依舊沉浸在AP考試被取消的陰影中。 受疫情的影響,今年5月上海、...
IGCSE課程難度如何? 客觀來說,這個問題無法一概而論。每個學科都有不同的課程體系和考試特點,我們還是要具體問題具體分析。 今天我們以CIE考試局為例,針對IGCSE幾大熱門學科,為大家做下全方位的難度解析。 ...
Oxidation of Primary Alcohols The products of oxidation of?alcohols?depends on the class of?alcohols Here is a reminder of the three classes of alcohols: The three classes of alcohols Primary alcoh...
Equation of a Straight Line What is the equation of a straight line? y = mx + c?is the equation for any straight line m?is?gradient?given by “difference in?y” ÷ “difference in?x” or?dy/dx c?is the?...
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 dioxide + water Complete combust...
Polymers Addition polymerisation Addition polymerisation?is one of the most important addition reactions of alkenes which form the basis of the plastic industry Addition polymerisation is the react...
Hydration of Alkenes When alkenes are treated with steam at?300?oC,?a pressure of?60 atmospheres?and?sulfuric acid (H2SO4)?or?phosphoric acid?(H3PO4)?catalyst, the water is added across the double ...
Hydrohalogenation of Alkenes Alkenes?will react readily with?hydrogen halides?such as?HCl?and?HBr?to produce?halogenoalkanes This reaction is known as?hydrohalogenation? It is also an?electrophilic...
Halogenation of Alkenes The reaction between?alkenes?and halogens is known as?halogenation It is an example of an?electrophilic?addition?where an electrophile ('electron seeker') joins onto to a do...
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