following reaction, when the H₂ pressure is 1.97x10-3 bar, the H+ concentration is 1.22 M, and the Cr³+ concentration is 9.98x10-4 M ? What is the calculated value of the cell potential at 298 K for an electrochemical cell with 6H*(aq) + 2Cr(s)3H₂(g) + 2Cr³+ (aq) Answer: V The cell reaction as written above is product-favored (spontaneous) for the concentrations given: Submit Show Approach Show Tutor Steps

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 22.7QAP: Calculate the theoretical potential of each of the following cells. Is the cell reaction spontaneous...
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What is the calculated value of the cell potential at 298 K for an electrochemical cell with the following reaction, when the H₂ pressure is 1.97x10-3 bar, the H+ concentration is 1.22 M, and the Cr³+ concentration is 9.98×10-4 M ?
6H+ (aq) + 2Cr(s) 3H₂(g) + 2Cr³+ (aq)
Answer:
V
The cell reaction as written above is product-favored (spontaneous) for the concentrations given:
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Transcribed Image Text:What is the calculated value of the cell potential at 298 K for an electrochemical cell with the following reaction, when the H₂ pressure is 1.97x10-3 bar, the H+ concentration is 1.22 M, and the Cr³+ concentration is 9.98×10-4 M ? 6H+ (aq) + 2Cr(s) 3H₂(g) + 2Cr³+ (aq) Answer: V The cell reaction as written above is product-favored (spontaneous) for the concentrations given: Submit Show Approach Show Tutor Steps
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