Given the following two standard reduction half-reaction calculate what the standard cell potential (E°) in volts. Report you answer to 3 decimal places. Cr20 (aq) 2Cr3+ + 7H2O (Ered = 1.33 V) + 14H (aq) + 6e (aq) 02 + 2H+ + 2e- (E°red = -0.682 V) %3D Н202

Given the following two standard reduction half-reaction calculate what the standard cell potential (E°) in volts. Report you answer to 3 decimal places. Cr20 (aq) 2Cr3+ + 7H2O (Ered = 1.33 V) + 14H (aq) + 6e (aq) 02 + 2H+ + 2e- (E°red = -0.682 V) %3D Н202

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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Calculate values for the galvanic cells described below. (a) Cr³+ (aq) + Cl₂(g) Cr₂O7²-¯(aq) + Cl¯ (aq) (b) Zn(s) + Ag¹(aq) Zn²+ (aq) + Ag(s)
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A galvanic cell using Cu"/Cu and Cu?+/Cu was set up at 293 K and the non-standard cell potential was determined to be 0.175 V. Determine the concentration of ions in the cathode's solution if the concentration at the anode is 0.7787 M: (cathode)(M) number (rtol=0.03, atol=1e-08)
Given the following standard reduction half reactions calculate the standard cell potential (E°cell) to 2 decimal places. O2(g) + 4H+ + 4e" 1 4H* (aq) 2H20L) ; E°red. = 1.23 V A13+ (aq) + Зе Al(s) ; E°red. = -1.66 V
A voltaic cell using Pb²⁺/Pb and Ni²⁺/Ni half-cells is set up at standard conditions, and each compartment has a volume of 355 mL. What is the cell potential, in V, after it has delivered 0.150 A for 51.0 hours at 25.0 °C? (E° for Pb²⁺/Pb = -0.130 V and E° for Ni²⁺/Ni = -0.250 V.)
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