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In an electrochemical cell a redox reaction perform in two halves. Electrons are liberated by the oxidation half reaction at one electrode and go through an electrical circuit to another electrode where they are used for the reduction. The cell potential E is the potential difference between the two electrodes have to balance the thermodynamic tendency for reaction, so that the cell is in equilibrium and no electrical current flows. E is related to the molar Gibbs free energy change in the overall reaction according to
where n the number of moles of electrons passed per mole of reaction and F is the Faraday constant (9.6485×104 C mol-1).
why is carbon valency four
Addition catalysed by base - Aldehydes and Ketones In the existence of a base one equivalent of an alcohol reacts along with only one equivalent of the carbonyl compound. The p
Q. Name of the complex anion? The name of the complex anion always ends in 'ate' and the Latin name of the metal atom is used. No specific ending is used for neutral or cationi
Q. What is Calcinations process? This is fie method of heating the concentrated ore in a limited supply of air to a high temperature but under the fusion temperature. In calcin
Nomenclature of Bicyclic compounds Several hydrocarbons and their derivatives include two fused or bridged rings. The carbon atoms are common to both rings are known as bridge
what is etard oxidation ?.machanisum
why standard enthalpy change of Br2(g) is not zero
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This type of cells becomes dead over a period of time and the chemical reaction stops. They cannot be revitalized or used again. Some ordinary examples are dry cell, mercury cell,
Which set of quantum numbers for an electron of an atom is not possible: (1) n=1 l=0, m=-0, s= +1/2 (2) n=1, l=1, m=-1, s= +1/2 (3) n=1, l=0, m=0, s= -1/2 (4) n=
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