All Questions
8
questions
1
vote
0
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43
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Increasing energy density for flow batteries with water based electrolyte?
Given a flow battery with a water based electrolyte, would it be possible to increase the energy density of battery by precipitating the redox active species from the anolyte and catholyte solutions? ...
4
votes
1
answer
366
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Variation of conductance of saturated aqueous solution with temperature
The following question was asked in JEE Mains 2020:
Let $C_{\ce{NaCl}}$ and $C_{\ce{BaSO4}}$ be the conductances (in S) measured for saturated aqueous solutions of $\ce{NaCl}$ and $\ce{BaSO4}$, ...
- 476
2
votes
0
answers
109
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Gouy-Chapman model
Recently I have been investigating the problem of a neutral solutions (with equal number of anions and cations) interacting with an infinite surface $z=0$ with electrostatic potential $\phi(z=0)=\...
- 121
-2
votes
1
answer
774
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Copper anode dissolves in electrolysis of copper sulfate solution [closed]
I did an experiment with copper sulfate where you place two copper rods in an aqueous solution of copper sulfate. You apply an electric current and copper metal builds up on the cathode. I noticed ...
- 113
0
votes
1
answer
115
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Solution for Electroplating Selenium?
I need to electroplate selenium onto a conductive metal (for an experiment). The end goal is a thin film of pure, elemental selenium. Unfortunately I can't find anything on the internet: Ideally, I'd ...
- 9
2
votes
1
answer
129
views
What is the interaction between dissolved ions of opposite valence in a solution at rest?
NaCl is dissolved in water. Ions sodium and chloride are sufficiently free from each other so that they may occupy different regions of the solution after an active transport process through a ...
- 123
1
vote
0
answers
485
views
Hydrogen Peroxide - Iron Nail Galvanic Cell?
I am planning to create a simple galvanic cell made up of common household materials.
Suppose I have hydrogen peroxide (to serve as cathode), diluted in water, in one beaker, and I have a bunch of ...
- 11
0
votes
1
answer
977
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Why does the potential difference of a current drop, when silver nitrate is added to deionised water?
Semi-related to Why do some salt ions in solution conduct electricity better than others?
After conducting more experiments, using deionised water as an analyte only, I found the potential difference ...
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