Calculating Free Energy Change Using Standard Electrode Potentials The?standard free energy change?can be calculated using the standard cell potential of an electrochemical cell ΔG??= - n x?Ecell??...
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...
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...
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...
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...
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...
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...
7月5日，IB成績下發，7月6日下午英國時間12:00起，IBDP考生可以開始上網查成績。與此同時，7月5日UCAS補錄開始開放，不過7月5日開始early clearing，適用于IB和AP應屆生，以及已獲得最終成績的往屆生。8月18日，...
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...
