AQA A Level Chemistry復習筆記5.2.1 Rate Equations
Rate Equations The?rate of reaction?refers to the change in the amount or concentration of a reactant OR product per unit time It can be found by: Measuring the?decrease in the concentration...
AQA A Level Chemistry復習筆記5.1.1 Thermodynamic Terms
Defining Thermodynamic Terms Thermodynamics?literally means?heat?and?movement?and is the branch of physical chemistry that deals with heat, energy, temperature and the physical properties of...
AQA A Level Chemistry復習筆記4.2.1 Reactions of Group 2 Elements
Reactions of Group 2 Elements Although there is no required practical specifically based around the reactions of Group 2 elements, these reactions are important and students tend to not do v...
AQA A Level Chemistry復習筆記4.1.1 Making a Volumetric Solution
Making a Volumetric Solution REQUIRED PRACTICAL 1 Volumetric Analysis Volumetric analysis?is a process that uses the volume and concentration of one chemical reactant (a volumetric solution)...
CB推出的AP新科目AP預備微積分，對中國AP學生的意義在哪里？
CB官網更新，新增AP科目Pre-calculus（預備微積分）。該課程將于2023年秋季推出，2024年加入到AP考試中。 根據CB的說法，好多高中學生，高中時候數學基礎不好，進入大學后開始學習大學數學內容（主要為微積分）就...
AQA A Level Chemistry復習筆記3.7.1 Fundamentals of Reaction Mechanisms
Reaction Mechanisms: Terminology Homolytic & Heterolytic fission Homolytic fission?is breaking a covalent bond in such a way that each atom takes an electron from the bond to form two ra...
AQA A Level Chemistry復習筆記3.6.1 Identification of Functional Groups by Test-Tube Reactions
Test-Tube Reactions Often, chemists will need to identify the functional groups present in an organic compound Some simple questions which can be considered are: Is the compound acidi...
AQA A Level Chemistry復習筆記3.5.1 Classifying Alcohols
Classification of Alcohols Primary?alcohols?are alcohols in which the carbon atom bonded to the -OH group is attached to?one?other carbon atom (or alkyl group) Secondary?alcohols?are alcohol...
AQA A Level Chemistry復習筆記3.4.1 Structure, Bonding & Reactivity
Shapes & Bond Angles in Organic Molecules Each carbon atom has four electrons in its outer shell (electronic configuration: 1s22s22p2) Carbon atoms share these four electrons in four cov...
