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2 votes
1 answer
46 views

Would ionic conduction be halted by shielding at the electrodes?

I've done this experiment myself and seen it front of my eyes. Set up a basic circuit with a battery, an LED, and connect the circuit with a salt-water solution and copper wire. The LED lights up. If ...
cheekylittleduck's user avatar
7 votes
3 answers
2k views

In my homemade electrolysis setup, only the negative end bubbles?

I've created an electrolysis setup by connecting a $6~\mathrm{V}$ battery to a cup filled with saline water via pencils; I am confused as to why only the negative pencil bubbles though. After running ...
Rob Dawson's user avatar