2. Consider the electrochemical cell where one of the half cells is comprised of a Pt electrode in a solution containing NO(g) at a pressure of 0.278 atm and N20(g) at a pressure of 0.266 atm with aOH- concentration of 6.00 M. The other half cell is comprised of a Pt electrode in a solution containing CIO3(aq) at a concentration of 2.66 × 10-2 M and CI(aq) at a concentration of 1.47 x 10-4M with a OH concentration of 4.21 x 10-2 M. The temperature of the cell is 281.5 K.(a) What is Ecell (in V)? Report your answer to three decimal places in standard notation (i.e., 0.123 V).(b) Which one of the following chemical reactions describes the process occurring in the electrochemical cell?12NO(g) + 3CI(aq) → 9N20(g) + 2CIO3¬(aq)3N20(g) + CIO3 (aq) → 6NO(g) + CI¯(aq)6NO(g) + CI¯(aq) → 3N20(g) + ClO3¯(aq)9N20(g) + 2CIO3 (aq) → 12NO(g) + 3CI¯(aq)(c) What is AG (in kJ/mol)? Report your answer to three significant figures in scientific notation (i.e., 1.23e2 kJ/mol).

GIVEN: Half cell : Pt electrode NO(g) = 0.278 atm N2O (g) =0.266 atm OH- (aq) = 6.00 M Second…

2. Consider the electrochemical cell where one of the half cells is comprised of a Pt electrode in a solution containing NO(g) at a pressure of 0.278 atm and N20(g) at a pressure of 0.266 atm with OH" concentration of 6.00 M. The other half cell is comprised of a Pt electrode in a solution containing CIO3-(aq) at a concentration of 2.66 x 10-2 M and CI"(aq) at a concentration of 1.47 x 10-4 M with a OH- concentration of 4.21 x 10-2 M. The temperature of the cell is 281.5 K.

2. Consider the electrochemical cell where one of the half cells is comprised of a Pt electrode in a solution containing NO(g) at a pressure of 0.278 atm and N20(g) at a pressure of 0.266 atm with OH" concentration of 6.00 M. The other half cell is comprised of a Pt electrode in a solution containing CIO3-(aq) at a concentration of 2.66 x 10-2 M and CI"(aq) at a concentration of 1.47 x 10-4 M with a OH- concentration of 4.21 x 10-2 M. The temperature of the cell is 281.5 K.

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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Question

2. Consider the electrochemical cell where one of the half cells is comprised of a Pt electrode in a solution containing NO(g) at a pressure of 0.278 atm and N20(g) at a pressure of 0.266 atm with a
OH- concentration of 6.00 M. The other half cell is comprised of a Pt electrode in a solution containing CIO3(aq) at a concentration of 2.66 × 10-2 M and CI(aq) at a concentration of 1.47 x 10-4
M with a OH concentration of 4.21 x 10-2 M. The temperature of the cell is 281.5 K.
(a) What is Ecell (in V)? Report your answer to three decimal places in standard notation (i.e., 0.123 V).
(b) Which one of the following chemical reactions describes the process occurring in the electrochemical cell?
12NO(g) + 3CI(aq) → 9N20(g) + 2CIO3¬(aq)
3N20(g) + CIO3 (aq) → 6NO(g) + CI¯(aq)
6NO(g) + CI¯(aq) → 3N20(g) + ClO3¯(aq)
9N20(g) + 2CIO3 (aq) → 12NO(g) + 3CI¯(aq)
(c) What is AG (in kJ/mol)? Report your answer to three significant figures in scientific notation (i.e., 1.23e2 kJ/mol).

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