Chem 1BL - E12 - Tables

Chem 1BL - E12 - Tables - 15 Calculated Values (289K) H...

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Bert Mouler TA: Brendan Beahm Part 1: Pb (s) + Cu 2+ (aq) → Cu (s) + Pb 2+ (aq) Temperature Cell Voltage ΔG K 25 C .513 V -98.99 kJ 2.25 x 10 17 4 C .509 V -98.22 kJ 3.33 x 10 18 16 C .512 V -98.80 kJ 7.21 x 10 17 45 C .518 V -99.96 kJ 2.63 x 10 16 70 C .526 V -101.50 kJ 2.87 x 10 15 Experimental Values (289K, from plot) ΔH -97.92 kJ ΔS 49.1 J/K mol ΔG = ΔH – TΔS -14.73 kJ K 5.38 x 10
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Unformatted text preview: 15 Calculated Values (289K) H -66.47 kJ S 78.44 J/K mol G -89.74 kJ K 5.38 x 10 15 Part 2: Pb (s) + Cu 2+ (aq) Cu (s) + Pb 2+ (aq) Concentration Measured E cell Calculated E cell Temperature 1.0 M Pb(NO 3 ) 2 1.0 M Cu(NO 3 ) 2 .513 V .47 V 25 C 0.1 M Pb(NO 3 ) 2 1.0 M Cu(NO 3 ) 2 .540 V .50 V 25 C 1.0 M Pb(NO 3 ) 2 0.1 M Cu(NO 3 ) 2 .463 V .44 V 25 C...
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