EXPERIMENT 18 ELECTROCHEMISTRY AND THERMODYNAMICS Data Table 3. Determination of AH and AS. Balanced redox equation for the cells: Temperature, °C E, V Temperature, °C E, V Temperature, °C E, V 72.0 70.0 0.668 0.6670 0.6670 0.638 う6.0 40.0 38.0 0.657 54.0 0.0ol00 0.L0662 0.642 68.0 0.6644 366.0 34.0 32.0 52.0 0.L671 0.6672 6l6.0 0.645 50.0 0.Lole 3 0.650 0.lo65 0.Lelole 64.0 62.0 60.0 う8.0 48.0 46.0 니4.0 0.652 0.653 0-667 0.6655 42.0 0.Lol07 R² Equation of line ΔΗ AS Error Analysis Questions: Using the following published data, calculate the theoretical values of AH and AS of the Zn-Cu cell system. Use stoichiometric multipliers and units in the equations. 1. 2+ Zn Zn Cu Cu* 2+ AH, kJ/mol ΔΗ, 0. -152.4 51.88 41.6 -106.48 33.3 -26.4 AS, J/mol-K AH: AS: In voltaic cell, if E is AG is and K is . The 2. and the equilibrium lies with the reaction is Why are voltaic and electrolytic cell reactions compared using voltages instead of K 3. values? 279