The amount of ethanol, C₂H5OH(aq). in a person's breath can bemeasured in an electrochemical cell.The relevant half-reaction equations are given below.Half-Reaction EquationsCH3COOH(aq) + 4 H*(aq) + E =+0.5814 e-→ C₂H5OH(aq) +H₂O(l)O2(g) + 4 H*(aq) + 4 e- →211H₂O(l)O-0,98 VO +0.98 VIf the reference half-cell were changed from the standard hydrogen half-cell to the standard cadmium half-cell, then the reduction potential forEquation I would becomeO +0.18 V>&O-0.18 VVE =+1.23V

Standard hydrogen electrode is a reference with standard reduction potential 0.00 V.The species with…

The relevant half-reaction equations are given below. Half-Reaction Equations CH₂COOH(aq) + 4 H(aq) + E= 14 e-→ C₂H5OH(aq) + H₂O(1) +0.58 V Eº +1.23 V O₂(g) + 4 H'(aq) + 4 e-→ 2 11 H₂O(1) = If the reference half-cell were changed from the standard hydrogen half- cell to the standard cadmium half-cell, then the reduction potential for Equation I would become

The relevant half-reaction equations are given below. Half-Reaction Equations CH₂COOH(aq) + 4 H(aq) + E= 14 e-→ C₂H5OH(aq) + H₂O(1) +0.58 V Eº +1.23 V O₂(g) + 4 H'(aq) + 4 e-→ 2 11 H₂O(1) = If the reference half-cell were changed from the standard hydrogen half- cell to the standard cadmium half-cell, then the reduction potential for Equation I would become

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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