che294s01hmwrk14 - 2 b Cu/Cu 2/Zn/Zn 2 c Cu/Cu/Zn/Zn 2(1...

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August 7, 2001 CHE/MAE 294 S01, Assignment 14 due Monday, August 6, 2001 The percentage grade for this homework will be counted as EXTRA CREDIT on any assignment you so choose. It is not required that you do this assignment. The number of points for each problem is given in (). The assignment will be covered in class on Monday, so no late assignments will be accepted. Corrosion 1. Determine the reduction cell potentials for the following metal/metal electrode systems: a) Fe/Fe 2 //Zn/Zn
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Unformatted text preview: 2 , b) Cu/Cu 2 //Zn/Zn 2 , c) Cu/Cu //Zn/Zn 2 . (1 point each, 3 points to-tal) 2. For case a) and c) above, determine how many grams of metal will have corroded after 1 A of current flows through the electrochemical cell. (2 points each, 4 points total) 3. A steel tank is buried in the ground. It is connected via a copper cable to a zinc plate located in the ground near the tank. Explain how this system acts to protect the steel tank against corrosion. (3) 1...
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