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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).
what happen when alcohol react PCl5
WHEN DISTORTION OCCUR?&HOW IT WORKS?
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Distilled water A kettle can be used to give boiling water, which is then condensed in a jam jar fitted with a big cork and immersed in a pan of cold water. Rubber tubing, adhe
Borazole is very stable because it is aromatic; each nitrogen contributes two p electrons and each boron contributes zero electrons, for a total of six p electrons in the aromatic
Covalent Bond Purely electrostatic attractions between ions are nondirectional, but with increasing covalent character the directional properties of valence orbitals become more
H-C=CH-CH-c
WHAT TYPE OF CHEMICAL REACTION IS INVOLVED IN POTENTIOMETRIC TITRATION
why are salts of alkali metals diamagnetic
What is the difference among multimolecular and macromolecular colloids? Give one example of each type. How are associated colloids dissimilar from these two types of colloids?
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