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)

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Chapter1: Chemical Foundations
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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. \( Cr_2O_7^{2-}(aq) + 6Fe^{2+}(aq) + 14H^{+}(aq) \rightarrow 2Cr^{3+}(aq) + 6Fe^{3+}(aq) + 7H_2O(l) \)
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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