9) Remove the metal wires from their solutions. Rinse them with water and dry them with a paper towel. Retain the copper wire and replace the zinc wire in the container in the hood. In-Lab Discussion 1. When zinc metal reacts with Cu2+ ions, which substance is oxidized and which is reduced? 2. Which metal is the anode in this electrochemical cell? Which is the cathode? 3. In which direction do the electrons flow in this cell? From the zinc wire to the copper metal wire, or vice versa? 4. What would you conclude about the spontaneity of the reaction if you replaced the zinc wire with another metal and found that the cell potential changed sign?
9) Remove the metal wires from their solutions. Rinse them with water and dry them with a paper towel. Retain the copper wire and replace the zinc wire in the container in the hood. In-Lab Discussion 1. When zinc metal reacts with Cu2+ ions, which substance is oxidized and which is reduced? 2. Which metal is the anode in this electrochemical cell? Which is the cathode? 3. In which direction do the electrons flow in this cell? From the zinc wire to the copper metal wire, or vice versa? 4. What would you conclude about the spontaneity of the reaction if you replaced the zinc wire with another metal and found that the cell potential changed sign?
Chapter8: Sampling, Standardization, And Calibration
Section: Chapter Questions
Problem 8.1QAP
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