Electrochemistry, Answers

G r q fc 0 q 6 l2 ln 0

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Unformatted text preview: .()G~~cl01' ~ - 0 = fu\UI.do~ ·~ ( (Yl$--\C\0\ :::. Oj0A 85: Cdwm~) \'YUt c To determine the Eceu of a Non-Standard Cell Ecell =Ecell 0 - (RT/nF)(In ~'J Co.~~ ~c-o{Y\ ~G -= AG" ;.. {<:..T l0 Q.. Q) If at 2SoC and plug in values for Rand F can get the following reactioA· Ecell =Ecell 0 - .0592/n log l-\ ~D,) -€'4Cilvet\€ ct+-e~u~. ~G! ~ .r Q ::; fC 0 Q _6(:;:., = - l2..\ ln-~ 0 ~~ ' '""' A.Gtb .:=-'f"'~f:;c.-e-1\ Standard Electrode Potentials at 25°C .. _______ Cathode (Reduction) Half-Reaction -- o ; i _ I ~C::.'' - Standard Potential E0 (volts) 2\ \r) K f' \- f-~~:;i:~t-~3-:-~;;=: ~-------------------------- ----------------~-~:~~------------------! ---~~2 f 2 j Cu +<aq) + 2 e - - Cu(s) . . Zn.... . . .+<aq)........ . .-+.. . .2..... .e.... .-... .-... . . .Zn(s)......... . · · · · · · · ·- ·- - - · · -· -·-·-· · · ·-· · · ·-·-· · · -· · - . . . . :r ................ -·- ............. - .........0.34............. . . - .... -0.76 I I Ni2+(aq) + 2 e - - Ni(s) ! -0.23 2 I .. . ... . - ! ~uceJ Example: ' Calculate th...
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This note was uploaded on 01/16/2014 for the course CHEM 111 taught by Professor Kenney during the Fall '08 term at Case Western.

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