Standard Electrode Potentials at 25°C Reduction Hall-Reaction E' (V) 1.23 O₂(g) + 4 H (aq) +42H₂O(l) Fe (aq) + Fe (ag) 0.77 PbO₂(0)+4H (aq) +2Pb (aq) + 2 H₂O(l) 1.46 Calculate for the following reaction: 2 PbO₂(0)+4 H(aq)-2 Pb (aq) +O(g) + 2 H₂O(1) Express your answer using two significant figures. VAE xx√x ? X+IO

Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter22: An Introduction To Electroanalytical Chemistry
Section: Chapter Questions
Problem 22.2QAP
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Subject: chemistry 

Standard Electrode Potentials at 25°C
Reduction Half-Reaction
E" (V)
1.23
O₂(g) + 4 H (aq) + 4e → 2H₂O(l)
Fe (ag)+eFe (aq)
0.77
PbO₂ (a) + 4 H (aq) +2e →Pb (aq) + 2 H₂O(l) 146
Calculate K for the following reaction:
2 PbO₂ (s) + 4 H (ag) →→2 Pb (aq) + O₂(g) +2 H₂O(1)
Express your answer using two significant figures.
K.
VAX
X √x √x ** LXI x+10°
?
Transcribed Image Text:Standard Electrode Potentials at 25°C Reduction Half-Reaction E" (V) 1.23 O₂(g) + 4 H (aq) + 4e → 2H₂O(l) Fe (ag)+eFe (aq) 0.77 PbO₂ (a) + 4 H (aq) +2e →Pb (aq) + 2 H₂O(l) 146 Calculate K for the following reaction: 2 PbO₂ (s) + 4 H (ag) →→2 Pb (aq) + O₂(g) +2 H₂O(1) Express your answer using two significant figures. K. VAX X √x √x ** LXI x+10° ?
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