Chem_208_26_07_Web - 1 Today 20.5-20.7(Skip 20.8 Next Week 13.5-13.8 Problem Set 11(Not to be handed in Chapter 13 47 53 55 61 63 65 73 2 Cell

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 Today: 20.5-20.7 (Skip 20.8) Next Week: 13.5-13.8 Problem Set 11 (Not to be handed in) Chapter 13: 47, 53, 55, 61, 63, 65, 73 2 Cell Potential (E cell ), ∆ G, and K eq Recall that the standard Gibbs Free Energy Change, ( ∆ G o ) is related to K eq by: ∆ G o = - RT lnK eq = - nFE o cell eq eq o cell K n l n 0.025693V K n l nF RT E = = 3 Cell Potential and Concentration: The Nernst Equation Substitute: ∆ G = -nFE cell ; ∆ G o = -nFE o cell into: ∆ G = ∆ G o + RT lnQ Q g o l n 0.0592V E E o cell cell − = V=? 4 The Nernst Equation What is E cell for the nonstandard cell illustrated below? Q g o l n 0.0592V E E o cell cell − = V=? Overall: Fe 2+ (0.1M) + Ag + (1.0M) → Fe 3+ (0.2M) + Ag(s) ( ) ( ) 2.0 1.0 0.10 0.20 ] ][Ag 2 [Fe ] 3 [Fe Q = = + + + = 0.011V 0.018V- 0.029V .0 2 g o l 1 0.0592V .029V Q g o l n 0.0592V E E o cell cell = = − = − = 5 Concentration Cells- Measuring Solubility What is the K sp of AgI?...
View Full Document

This note was uploaded on 05/18/2008 for the course CHEM 2080 taught by Professor Davis,f during the Spring '07 term at Cornell University (Engineering School).

Page1 / 11

Chem_208_26_07_Web - 1 Today 20.5-20.7(Skip 20.8 Next Week 13.5-13.8 Problem Set 11(Not to be handed in Chapter 13 47 53 55 61 63 65 73 2 Cell

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online