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workshhet 6key

workshhet 6key - Homework 6 Name 1 A Galvanic cell is based...

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Homework 6 Name: ________________ 1. A Galvanic cell is based on the following two standard half-reactions: Al 3+ (aq) + 3 e - Al (s) I 2(s) + 2 e - 2I - (aq) Determine the standard cell potential (emf) and overall balanced equation for the reaction. Draw a picture of the Galvanic cell (making sure to label the cathode and anodes and what is in solution) and determine the line notation.
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2. Arrange the following oxidizing agents in order of increasing strength under standard-state conditions: Br 2(l) , Fe 3+ (aq) , Cr 2 O 7 2- (aq) . 3. Arrange the following reducing agents in order of increasing strength under standard-state conditions: Al (s) , Na (s) , Zn (s) . 4. Predict whether each of the following reactions can occur under standard-state conditions: a. 2Fe 3+ (aq) + 2I - (aq) 2Fe 2+ (aq) + I 2(s) b. 3Ni (s) + 2Al 3+ (aq) 3Ni 2+ (aq) + 2Al (s) Confirm your predictions by calculating the value of E o for each reaction. Which reaction(s) can occur in the reverse direction under standard-state conditions?
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5. Consider a galvanic cell that uses the reaction: Cu
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workshhet 6key - Homework 6 Name 1 A Galvanic cell is based...

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