CIE A Level Chemistry复习笔记5.4.5 Nernst Equation
The Nernst Equation Under non-standard conditions, the cell potential of the half-cells is shown by the symbol Ecell The effect of changes in temperature and ion concentration on the Ecell can be d...
CIE A Level Chemistry复习笔记5.4.4 Non-Standard Conditions
Effect of Concentration on Electrode Potential Changes in temperature and concentration of aqueous ions will affect the standard electrode potential (Eꝋ) of a half-cell Under these non-standard con...
CIE A Level Chemistry复习笔记5.4.3 Electrochemical Series & Redox Equations
Electrochemical Series The Eꝋ values of a species indicate how easily they can get oxidised or reduced In other words, they indicate the relative reactivity of elements, compounds and ions as oxidi...
CIE A Level Chemistry复习笔记5.4.2 Standard Cell Potential: Calculations, Electron Flow & Feasibility
Calculating Standard Cell Potential Once the standard electrode potentials (Eꝋ) of the half-cells are determined, the standard cell potential (Ecellꝋ) can be calculated by subtracting the less posi...
CIE A Level Chemistry复习笔记5.4.1 Electrolysis: Calculations
Calculations in Electrolysis Faraday’s constant can be used to calculate: The mass of a substance deposited at an electrode The volume of gas liberated at an electrode Calculating the mass of a sub...
CIE A Level Chemistry复习笔记5.3.4 Measuring the Standard Electrode Potential
Measuring the Standard Electrode Potential There are three different types of half-cells that can be connected to a standard hydrogen electrode A metal / metal ion half-cell A non-metal / non-metal...
CIE A Level Chemistry复习笔记5.3.3 Standard Electrode & Cell Potentials
Standard Electrode & Standard Cell Potentials Electrode potential The electrode (reduction) potential (E) is a value which shows how easily a substance is reduced These are demonstrated using r...
CAIE A-Level放榜，今年成绩与往年相比如何？
又来到了一年一度的A-Level统考放榜时刻，CAIE考试局已率先放榜，全球有超过22w的AS&A2学生迎来了自己的成绩单~ 那么，今年的成绩与往年相比究竟如何呢？ 接下来就带大家先看看CAIE考试局最新发布的2022年6月...
CIE A Level Chemistry复习笔记5.3.2 Faraday's Law & Avogadro
Faraday's Law The amount of substance that is formed at an electrode during electrolysis is proportional to: The amount of time where a constant current to passes The amount of electricity, in coul...
