20. Refer to the galvanic cell below (the contents of each half-cell are written beneath each compartment). 0.10 M MNO 0.20 M Mn²+ 0.010 M H 0.40 M Cr³+ 0.30 M Cr₂0₂² 0.010 M H+ The standard reduction potentials are as follows: MnO4 + 8H+ + 5e¯ → Mn²+ + 4H₂O E° = 1.51 V E° = 1.33 V Cr₂O7²- +14H+ + 6e¯ → 2 Cr³+ +7H₂O What is the value of Q, the reaction quotient, for this cell reaction? A) 6.7 x 104⁰ B) 1.5 x 10-41 C) 1.5 x 10-4 D) 6.7 x 10³

20. Refer to the galvanic cell below (the contents of each half-cell are written beneath each compartment). 0.10 M MNO 0.20 M Mn²+ 0.010 M H 0.40 M Cr³+ 0.30 M Cr₂0₂² 0.010 M H+ The standard reduction potentials are as follows: MnO4 + 8H+ + 5e¯ → Mn²+ + 4H₂O E° = 1.51 V E° = 1.33 V Cr₂O7²- +14H+ + 6e¯ → 2 Cr³+ +7H₂O What is the value of Q, the reaction quotient, for this cell reaction? A) 6.7 x 104⁰ B) 1.5 x 10-41 C) 1.5 x 10-4 D) 6.7 x 10³

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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