An electrochemical cell has a constant potential of 2 v and provides a steady current of 1 a. how many electrons move from the anode to the cathode in 1000 seconds? (use f = 1x105 c/mol e- )

Explanation:

Potential across the electrochemical cell, V = 2 V

Current, I = 1 A

Time, t = 1000 s

Let n electrons move from the anode to the cathode. We know that electric current is calculated as :

Also, q = ne

So, electrons move from the anode to the cathode in 1000 seconds.

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answer would be letter choice (a),   a ball resting on a shelf. would be another example of potential energy   >   stored energy > not moving.

a ball spinning on a finger   >   kinetic energy > moving energy

a ball rolling on the ground   >   kinetic energy   > moving energy

a   ball flying through the air   > kinetic energy   >   moving energy

hope that                                         : )