牛津大學2022-23最新面試時間安排！
近日，牛津大學公布了2022-23年面試初步時間安排！今年的面試還是線上舉行！部分專業11月底就要開始面試了，并且牛津表示國際生的面試時間可能會比英國學生提前一周。那么，今年牛津的各專業的面試時間都是如何安...
2022PUPC普林斯頓大學物理競賽報名倒計時！普林斯頓大學物理系和天文系實名力薦
物理碗太簡單，BPhO太卷？ 背靠普林斯頓大學的 PUPC物理賽事等你來戰！ 報名截止時間：2022年10月7日 推薦指數：⭐⭐⭐⭐⭐ 難度指數：⭐⭐⭐⭐⭐ ...
美國TOP大學文書喜好盤點，藤校青睞怎樣的申請文書呢？
Personal Statement （個人陳述）作為申請中的一項重要材料，一定程度上決定了招生官對你的“第一印象”。 PS的發揮空間非常靈活，更加注重個人的個性化展示。有的學校還會出特定的話題，要求申請人圍繞特定的話題...
Edexcel A Level Chemistry:復習筆記5.1.1 Deducing Kp Expressions
Kp Expressions We have seen previously that equilibrium reactions can be quantified by reference to an equilibrium expression and equilibrium constant The?equilibrium expression?links the?eq...
Edexcel A Level Chemistry:復習筆記4.2.4 Qualitative Analysis
Core Practical 7: Analysis of Inorganic and Organic Unknowns Test Tube Reactions Simple test tube reactions can be done to identify the following ions: Ammonium ions (NH4+) Halide ions (X-) ...
Edexcel A Level Chemistry:復習筆記4.2.3 Chlorination of 2-Methylpropan-2-ol
Core Practical 6: Chlorination of 2-Methylpropan-2-ol Synthesis of a haloalkane from an alcohol Measure 8 cm3?of 2-methylpropan-2-ol in a measuring cylinder Pour the 2-methylpropan-2-ol into...
Edexcel A Level Chemistry:復習筆記4.2.2 Ethanol Oxidation
Core Practical 5: Oxidation of Ethanol Oxidation of ethanol Primary alcohols can be oxidised to form?aldehydes?which can undergo further oxidation to form?carboxylic?acids When ethanol is ox...
Edexcel A Level Chemistry:復習筆記4.2.1 Hydrolysis of Halogenoalkanes
Core Practical 4: Investigating Halogenoalkane Hydrolysis Halogenoalkanes can be?hydrolysed?with an?aqueous?solution of sodium hydroxide (NaOH) or potassium hydroxide (KOH) This reaction is ...
Edexcel A Level Chemistry:復習筆記4.1.4 Determining Enthalpy Change of Reaction
Core Practical 8: Determining Enthalpy Change of Reaction Measuring enthalpy changes Calorimetry?is a technique used to measure changes in enthalpy of chemical reactions A?calorimeter?can be...
Edexcel A Level Chemistry:復習筆記4.1.3 Determining Concentrations
Core Practical 3: Hydrochloric Acid Concentration Performing the Titration The key piece of equipment used in the titration is the burette Burettes?are usually marked to a precision of 0.10 ...
Edexcel A Level Chemistry:復習筆記4.1.2 Standard Solutions
Core Practical 2: Preparing a Standard Solution Volumetric Analysis Volumetric analysis?is a process that uses the volume and concentration of one chemical reactant (a volumetric solution) t...
Edexcel A Level Chemistry:復習筆記4.1.1 Molar Volume of a Gas
Core Practical 1: Measuring the Molar Volume of a Gas Measuring gas volumes The volume of gas produced in a reaction can be measured by collecting the gas with a gas syringe or by the displa...
