Experimental solid-oxide fuel cells that use butane (C4H10C4H10) as the fuel have been reported recently. These cells contain composite metal/metal oxide electrodes and a solid metal oxide electrolyte. The cell half- reactions are Anode:C4H10(g)+13O2- (s)→4CO2(g)+5H2O(1)+26e-Cathode:02 (g)+4e-→202-(s) a) calculate the value of E• for the cell reaction at 25 °C b) calculate the value of the pK=-log(K) for the cell reaction at 25 °C (K is the equilibrium constant of the reaction) c) How many grams of butane are required to produce a constant current of 10.2 A for 7.40 h ? d)How many liters of butane at 20 °C and 788 mmHg pressure are required?

Experimental solid-oxide fuel cells that use butane (C4H10C4H10) as the fuel have been reported recently. These cells contain composite metal/metal oxide electrodes and a solid metal oxide electrolyte. The cell half- reactions are Anode:C4H10(g)+13O2- (s)→4CO2(g)+5H2O(1)+26e-Cathode:02 (g)+4e-→202-(s) a) calculate the value of E• for the cell reaction at 25 °C b) calculate the value of the pK=-log(K) for the cell reaction at 25 °C (K is the equilibrium constant of the reaction) c) How many grams of butane are required to produce a constant current of 10.2 A for 7.40 h ? d)How many liters of butane at 20 °C and 788 mmHg pressure are required?

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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