| Table 20.2 Half-reaction E° (V) Cr3+ (aq) + 3e- -Cr(s) Fe2+ (aq) -0.74 + 2e- -Fe (s) -0.440 Fe3+ (aq) + e- - Fe2+ (s) Snt+ (aq) +0.771 + 2e- - Sn2+ (aq) +0.154 Which of the following reactions will occur spontaneously as written? 2Cr (s) + 3FE2+ Sn4+ (ag) + Fe2+ 3FE2+ (ag) + Cr3+ (aq) → Cr (s) + 2Cr3+ (ag) + 3Sn2+ (aq) → 3Sn4+ (aq) + 2Cr (s) (s) → 3Fe (s) + 2Cr3+ (aq) (s) → Sn2+ (aq) + Fe (s) 3FE3+ (aq)

| Table 20.2 Half-reaction E° (V) Cr3+ (aq) + 3e- -Cr(s) Fe2+ (aq) -0.74 + 2e- -Fe (s) -0.440 Fe3+ (aq) + e- - Fe2+ (s) Snt+ (aq) +0.771 + 2e- - Sn2+ (aq) +0.154 Which of the following reactions will occur spontaneously as written? 2Cr (s) + 3FE2+ Sn4+ (ag) + Fe2+ 3FE2+ (ag) + Cr3+ (aq) → Cr (s) + 2Cr3+ (ag) + 3Sn2+ (aq) → 3Sn4+ (aq) + 2Cr (s) (s) → 3Fe (s) + 2Cr3+ (aq) (s) → Sn2+ (aq) + Fe (s) 3FE3+ (aq)

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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