All Questions
5
questions
1
vote
2
answers
1k
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Can ferrous ions exist in an acidic solution?
Can Fe2+ ions exist in an acidic solution or will they always pick up available protons and become Fe3+? My hunch is they can't exist but I'm not really sure.
If the latter, does that mean that ...
- 1,172
5
votes
3
answers
3k
views
Why isn't my galvanic cell making enough voltage?
I'm in kind of a pickle here. I made a galvanic cell of Lead and aluminium for a chemistry internal assessment but unfortunately, it didn't turn out so well and neither me nor my teacher has any clue ...
2
votes
0
answers
43
views
How to Separate Copper Nanowires in an Alumina Membrane
So, in my Chemistry Lab we had an experiment to use Whatman alumina membranes and GaIn eutectic to create Nickel nanowires through electrodeposition. So essentially Nickel wire electrode and alumina ...
- 29
8
votes
1
answer
1k
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The open circuit voltage of a battery: Does it decrease with increase in pH of electrolyte while the voltage across a load increase?
Why does the open circuit voltage of a battery decrease with increase in $\mathrm{pH}$ of electrolyte, but the voltage across a load increase?
I tested a cell which had aluminum sulfate as its anode ...
- 864
7
votes
0
answers
516
views
Does phosphoric acid remove stainless steel electropolished layer?
Electropolished stainless steel has a high corrosion resistance due to the oxide film that is created during electropolishing. The film mainly consist of chromium(III) oxide.
Phosphoric acid is ...
- 2,205