Electrochemistry Chpt 14

Electrochemistry Chpt 14 - NB Potential is relative Work =...

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1 Quantitative Chemical Analysis Seventh Edition Quantitative Chemical Analysis Seventh Edition Chapter 14 Electrochemistry Copyright © 2007 by W. H. Freeman and Company Daniel C. Harris Daniel C. Harris Reduction 3+ 2+ Oxidation 3+ 2+ F = (6.022 x 10 23 mol -1 ) x (1.602192 x 10 -19 C) = 96,484 C mol -1 How much? – Faraday’s constant. Faraday
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2 Electricity Current = Charge/time - I = Q/t [Ampere]=[Coulomb]/[sec] Potential = Current x Resistance - E = I R (Ohms law) [Volt]=[Ampere] [Ohm] So what is resistance?
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Unformatted text preview: NB: Potential is relative! Work = Potential x Charge -W = E q [Joule] = [Volt] [Coulomb] 3 4 5 NERNST EQUATION NERNST EQUATION At 25 o C NERNST EQUATION Walther Hermann Nernst 1864–1941 NERNST EQUATION 6 NERNST EQUATION THERMODYNAMICS and equilibrium THERMODYNAMICS and equilibrium NERNST EQUATION 7 0.50 M AgNO3( aq ) 0.010 M Cd(NO3)2( aq ) 0.50 M AgNO3( aq ) 0.010 M Cd(NO3)2( aq ) 0.50 M AgNO3( aq ) 0.010 M Cd(NO3)2( aq ) My w a y :...
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This note was uploaded on 05/19/2010 for the course CHEM 150 taught by Professor Buratto during the Spring '08 term at UCSB.

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Electrochemistry Chpt 14 - NB Potential is relative Work =...

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