If a current of 690.7 mA is passed through an electrochemical cell for 44.80 min
ID: 813357 • Letter: I
Question
If a current of 690.7 mA is passed through an electrochemical cell for 44.80 minutes, what charge, in coulombs, is passed through the cell?Charge passed through the cell = coulombs
Suppose that the electrochemical cell consists of two copper electrodes immersed in a copper(II) sulfate solution. At which electrode, anode or cathode, does oxidationoccur?
The oxidation occurs at the
Do you expect that this electrode will increase or decrease in mass as the electrolysis proceeds?
The mass of the electrode will
Calculate the change in the mass of copper at the anode or cathode if the charge calculated above is passed through the cell described. Enter your answer as a positive quantity in mg.
Mass change at the electrode = mg
If a current of 690.7 mA is passed through an electrochemical cell for 44.80 minutes, what charge, in coulombs, is passed through the cell?
Charge passed through the cell = coulombs
Suppose that the electrochemical cell consists of two copper electrodes immersed in a copper(II) sulfate solution. At which electrode, anode or cathode, does oxidationoccur?
The oxidation occurs at the
Do you expect that this electrode will increase or decrease in mass as the electrolysis proceeds?
The mass of the electrode will
Calculate the change in the mass of copper at the anode or cathode if the charge calculated above is passed through the cell described. Enter your answer as a positive quantity in mg.
Mass change at the electrode = mg
Explanation / Answer
1856.6016 C Anode Decrease 1222.77 mg
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