CIE A Level Chemistry復習筆記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復習筆記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 (E?) of a half-cell Under these?non-standard con...
CIE A Level Chemistry復習筆記5.4.3 Electrochemical Series & Redox Equations
Electrochemical Series The?E??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復習筆記5.4.2 Standard Cell Potential: Calculations, Electron Flow & Feasibility
Calculating Standard Cell Potential Once the standard electrode potentials (E?) of the half-cells are determined, the?standard cell potential?(Ecell?) can be calculated by?subtracting?the?less?posi...
CIE A Level Chemistry復習筆記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復習筆記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復習筆記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，今年成績與往年相比如何？
又來到了一年一度的A-Level統考放榜時刻，CAIE考試局已率先放榜，全球有超過22w的AS&A2學生迎來了自己的成績單~ 那么，今年的成績與往年相比究竟如何呢？ 接下來就帶大家先看看CAIE考試局最新發布的2022年6月...
CIE A Level Chemistry復習筆記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...
