Discoverer of electrolysis magnetic props of matter

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Unformatted text preview: ion, electrode. Discoverer of • electrolysis • magnetic props. of matter • electromagnetic induction • benzene and other organic chemicals Was a popular lecturer. 2 II- ------> II2 + 2e> 2 + 2e2 2 H22O + 2e- ------> 2 OH-- + H22 > 2 OH + H 2 H O + 2e-------------------------------------------------------------------------------------------------- + 2 H O - -> I + 2 OH-- + H 2 II + 2 H2O - -> I2 + 2 OH + H2 2 2 2 2 If we know Eo for each half-reaction, we could get Eo for net reaction. Page 3 15 18 19 Eo and G o Eo and G o Eo is related to Go, the free energy change for the reaction. G o = - n F Eo where F = Faraday constant where = 9.6485 x 10 4 J/V•mol 9.6485 and n is the number of moles of Michael Faraday electrons transferred 1791-1867 Eo and G o Eo and G o Go = - n F E o For a product-favored reaction For product-favored Reactants ----> Products Reactants Go < 0 and so Eo > 0 Eo is positive For a reactant-favored reaction For reactant-favored Reactants <---- Products Reactants Go > 0 and so Eo < 0 Eo is negative Page 4 20...
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This note was uploaded on 10/19/2011 for the course CHM 2210 taught by Professor Reynolds during the Fall '01 term at University of Florida.

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