Mesh Blue

Help with Copper Ion experiment!?

So, at school we did an experiment that Observed Copper Ions. In this experiment we had a petri dish with 10mL of ammonium nitrate solution and in that had a piece of copper mesh, with was connected to the positive terminal of a power pack, and a copper strip, connected to the negative side. Basically, we turned on the power at 6 volts and Copper Ions started to move from the copper mesh to the copper strip, We then were asked a few questions, and I really need some help with a few of them. All help will be very much appreciated! :)

1) Predict what would happen if you reversed the connections to the power pack.

2) Although some blue colour was formed on the other side of the blue mesh, it didn't form streaks. Try to explain this.

3) Suppose you added a second copper strip on the other side of the mesh, and then connected both it and the other strip to the negative terminal of the power pack. What do you predict would happen? Explain.

reversing the current will make the copper ions move in the other direction. So they'll go from the strip towards the mesh.
Blue colour may form around the strip as copper ions dissolve.

The copper ions diffused away from the mesh. Many of them will have drifted towards the copper strip.

Adding a second copper strip will allow the copper ions to drift in both directions, away from the mesh.

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