AQA A Level Chemistry復習筆記6.3.1 Metal-Aqua Ions
Metal Aqua-Ions Transition metal salts that are readily soluble in water are forming metal-aqua complex ions when they dissolve in water When we show copper sulfate dissolving in water it is...
AQA A Level Chemistry復習筆記6.2.1 General Properties of Transition Metals
General Properties of Transition Metals Transition metals are elements with an incomplete d-subshell that can form at least one stable ion with an incomplete d-subshell This definition disti...
AQA A Level Chemistry復習筆記6.1.1 Na & Mg with water
Na & Mg with water Sodium & Magnesium Both sodium, Na, and magnesium, Mg, are metals and are found in Group 1 and Group 2 of the periodic table respectively Both have high melting po...
AQA A Level Chemistry復習筆記5.6.1 Acid Dissociation Constant
Acid Dissociation Constant Weak acids A?weak acid?is an acid that?partially?(or incompletely)?dissociates?in aqueous solutions Eg. most organic acids (ethanoic acid), HCN (hydrocyanic acid),...
AQA A Level Chemistry復習筆記5.5.1 Br?nsted–Lowry Acid & Bases
Br?nsted–Lowry Acid & Bases A?Br?nsted acid?is a species that can donate a proton For example, hydrogen chloride (HCl) is a Br?nsted acid as it can lose a proton to form a hydrogen (H+) ...
AQA A Level Chemistry復習筆記5.4.1 Representing Cells
Representing Cells Electrochemical cells?generate electricity from spontaneous redox reactions For example: Zn (s)? + CuSO4?(aq)→ Cu (s)? + ZnSO4?(aq) Instead of electrons being transferred ...
AQA A Level Chemistry復習筆記5.3.1 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...
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...
