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Electrochemical Cells 17 and Thermodynamics Ke (calculated) Shorthand cell designation Temperature (C) E cell (measured) AG (calculated) 1. Pb/Pbat (1m)//Co²³ (1) 25°C 56 y -100.34 KJ 5.12x1017 -148,59 kJ 5.13x 1845 2, 78 v Cusquat (IM)// SOLIM) 25°C Pp/pbe+LIM) 1/5 at 25°C 3. .28 v -52.10 KJ 1.04 x 10-9 (IM) ISA Show calculations for AG" and Keg for an exemplary pair. For Pb | Pb²* || Sn² | Sn: Half-cell equation E half-cell (calculated) 1. Pb²+ +2e=Pb/Cu²+ + 2e" = Cu 2. Sna++2e=50 / Cuattae" = Cu 3. S²³² +2e= Sn/Pb²+ +2e" = Pb 0.337-(-0.126x) = 0.463 0.337-(-0.13(v) = 0.473 -0.126v-(-0.136v) = 0.01 Effect of Temperature on Cell Potential Cell designation: E (measured) Temperature (°C) Temperature (K) AG (calculated) Cu/CLIM)//SIM) Snat 70°C. 343.15 Hot water = 0.86 v Cooled water = 0.85v Ice water = 0.81 v 56°C 328.15 10ºC 283.15 AS determined from the slope of a plot of AG versus T. AH calculated at 298 K (show calculations)

Electrochemical Cells 17 and Thermodynamics Ke (calculated) Shorthand cell designation Temperature (C) E cell (measured) AG (calculated) 1. Pb/Pbat (1m)//Co²³ (1) 25°C 56 y -100.34 KJ 5.12x1017 -148,59 kJ 5.13x 1845 2, 78 v Cusquat (IM)// SOLIM) 25°C Pp/pbe+LIM) 1/5 at 25°C 3. .28 v -52.10 KJ 1.04 x 10-9 (IM) ISA Show calculations for AG" and Keg for an exemplary pair. For Pb | Pb²* || Sn² | Sn: Half-cell equation E half-cell (calculated) 1. Pb²+ +2e=Pb/Cu²+ + 2e" = Cu 2. Sna++2e=50 / Cuattae" = Cu 3. S²³² +2e= Sn/Pb²+ +2e" = Pb 0.337-(-0.126x) = 0.463 0.337-(-0.13(v) = 0.473 -0.126v-(-0.136v) = 0.01 Effect of Temperature on Cell Potential Cell designation: E (measured) Temperature (°C) Temperature (K) AG (calculated) Cu/CLIM)//SIM) Snat 70°C. 343.15 Hot water = 0.86 v Cooled water = 0.85v Ice water = 0.81 v 56°C 328.15 10ºC 283.15 AS determined from the slope of a plot of AG versus T. AH calculated at 298 K (show calculations)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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REPORT SHEET EXPERIMENT Electrochemical Cells 17 and Thermodynamics Shorthand cell designation Temperature (C) E cell (measured) AG (calculated) Ke (calculated) Pb/Pbat(m)//Cut(m) 25°C 56 y -100,34 KJ 5.12x10 17 2₁ Curquat (IM)//SOLIM) 25°C .78 v -148.59 kJ 5.13x 1025 -52.10 KJ 3. Pb/PER+LIM) 1/5 at 25°C .28 v 1.04x10-9 Show calculations for AG and K for an exemplary pair. For Pb | Pb²+ || Sn²+ | Sn: Half-cell equation E half-cell (calculated) 1. Pb²+ +2e=Pb/ Cu²+ + 2e = = Cu 2. Sna++2e=50 / Cuattae" = Cu 3. 5₂²² +2e=Sn/Pb²+ +2e²= Pb 0,337 -(-0126x) = 0.463 0.337-(-0.13(x) = 0.473 -0.126v-(-0.136v) = 0.01 Effect of Temperature on Cell Potential Temperature (°C) Temperature (K) AG (calculated) Cell designation: E (measured) Cu/Cut (IM)//SIM) Sn²+ 170°C. 343.15 Hot water = 0.86 v Cooled water = 0.85v Ice Water = 0.81 v 55°C 328.15 10°C 283.15 AS determined from the slope of a plot of AG versus T. AH calculated at 298 K (show calculations)
Transcribed Image Text:REPORT SHEET EXPERIMENT Electrochemical Cells 17 and Thermodynamics Shorthand cell designation Temperature (C) E cell (measured) AG (calculated) Ke (calculated) Pb/Pbat(m)//Cut(m) 25°C 56 y -100,34 KJ 5.12x10 17 2₁ Curquat (IM)//SOLIM) 25°C .78 v -148.59 kJ 5.13x 1025 -52.10 KJ 3. Pb/PER+LIM) 1/5 at 25°C .28 v 1.04x10-9 Show calculations for AG and K for an exemplary pair. For Pb | Pb²+ || Sn²+ | Sn: Half-cell equation E half-cell (calculated) 1. Pb²+ +2e=Pb/ Cu²+ + 2e = = Cu 2. Sna++2e=50 / Cuattae" = Cu 3. 5₂²² +2e=Sn/Pb²+ +2e²= Pb 0,337 -(-0126x) = 0.463 0.337-(-0.13(x) = 0.473 -0.126v-(-0.136v) = 0.01 Effect of Temperature on Cell Potential Temperature (°C) Temperature (K) AG (calculated) Cell designation: E (measured) Cu/Cut (IM)//SIM) Sn²+ 170°C. 343.15 Hot water = 0.86 v Cooled water = 0.85v Ice Water = 0.81 v 55°C 328.15 10°C 283.15 AS determined from the slope of a plot of AG versus T. AH calculated at 298 K (show calculations)
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