1. For each of the following redox reactions: i. Write the oxidation half reaction ii. Write the reduction half reaction ii. Determine the Ecell at 25°C iv. Using the Eceu determine the Free Gibbs Energy in kJ/mol V. Based on the Ecelu and Free Gibbs Energy determine whether the reaction is spontaneous or nonspontaneous. a. 2F23*(aq) + I'(aq) → 2FE2*(aq) + I2(s) b. Cr20,2(aq) + 6Fe2*(aq) + 14H*(aq) → 2Cr³*(aq) + 6FE3*(aq) + 7H2O(1)
1. For each of the following redox reactions: i. Write the oxidation half reaction ii. Write the reduction half reaction ii. Determine the Ecell at 25°C iv. Using the Eceu determine the Free Gibbs Energy in kJ/mol V. Based on the Ecelu and Free Gibbs Energy determine whether the reaction is spontaneous or nonspontaneous. a. 2F23*(aq) + I'(aq) → 2FE2*(aq) + I2(s) b. Cr20,2(aq) + 6Fe2*(aq) + 14H*(aq) → 2Cr³*(aq) + 6FE3*(aq) + 7H2O(1)
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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![### Redox Reactions
To understand and analyze redox reactions, follow these steps:
1. For each of the following redox reactions:
i. Write the oxidation half reaction
ii. Write the reduction half reaction
iii. Determine the E°cell at 25°C
iv. Using the E°cell, determine the Gibbs Free Energy in kJ/mol
v. Based on the E°cell and Gibbs Free Energy, determine whether the reaction is spontaneous or nonspontaneous.
#### Reactions:
a. \( 2Fe^{3+}(aq) + I^{-}(aq) \rightarrow 2Fe^{2+}(aq) + I_2(s) \)
b. \( Cr_2O_7^{2-}(aq) + 6Fe^{2+}(aq) + 14H^{+}(aq) \rightarrow 2Cr^{3+}(aq) + 6Fe^{3+}(aq) + 7H_2O(l) \)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc6c8825d-9cdc-4862-bc8e-082f913b2c43%2F437978cb-b5fa-4045-974d-1d7038bda242%2Fctf3d7d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Redox Reactions
To understand and analyze redox reactions, follow these steps:
1. For each of the following redox reactions:
i. Write the oxidation half reaction
ii. Write the reduction half reaction
iii. Determine the E°cell at 25°C
iv. Using the E°cell, determine the Gibbs Free Energy in kJ/mol
v. Based on the E°cell and Gibbs Free Energy, determine whether the reaction is spontaneous or nonspontaneous.
#### Reactions:
a. \( 2Fe^{3+}(aq) + I^{-}(aq) \rightarrow 2Fe^{2+}(aq) + I_2(s) \)
b. \( Cr_2O_7^{2-}(aq) + 6Fe^{2+}(aq) + 14H^{+}(aq) \rightarrow 2Cr^{3+}(aq) + 6Fe^{3+}(aq) + 7H_2O(l) \)
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