All Questions
Tagged with ionic-compounds electrochemistry
14
questions
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 ...
- 309
-4
votes
1
answer
684
views
How does a body lose electrons? [closed]
If there is a Na and cl in solid form , There will be atoms inside of them.How do they lose electrons ?.We know solid body has a structure and covering.Just like you can touch is the covering of table ...
- 412
2
votes
0
answers
36
views
Why isn't the chemistry of a zinc-air battery (meaningfully) hindered by an activation energy barrier?
Virtually every source I've read pertaining to zinc-air batteries explain the chemistry of it either using these formulae or a simplified version of them:
$$
\begin{align}
&\text{Anode:} &\...
- 139
4
votes
1
answer
611
views
In a battery, what happens to LiCoO2 when the lithium leaves? It becomes CoO2?
What chemical compound exists at the cathode of a lithium-ion battery when the lithium is not there?
The cathode is usually described as $\ce{LiCoO2}$, so does it become $\ce{CoO2}$?
$\ce{CoO2}$ ...
- 1,795
1
vote
1
answer
99
views
Feasibility of using ionic liquid fuels in an MHD type reactor
First off I would like to say that my knowledge on chemistry, even general chemistry, is basic if not poor.
That said, I have some intuituions on this matter. I haven´t found any paper regarding ...
- 13
1
vote
1
answer
394
views
Unknown salt formed from electrolysis of urine
I am not sure what I was expecting to happen with this but I created a circuit to electrolyze various household liquids. My electrodes are copper — or at least claim to be, I think they might just be ...
- 957
0
votes
0
answers
202
views
Proof of Concentration dependence of molar conductivity
If we go by the simple electron model, Conductivity/Concentration=carrier charge*mobility and mobility is only dependent on temperature for electrons. My question is regarding strong electrolyte, I ...
- 1,175
0
votes
1
answer
499
views
Electrolysis of Anhydrous Sodium Hypochlorite
Considering liquid anhydrous sodium hypochlorite:
$$\ce{NaClO (l)}$$
Assuming the ions are free, What would be produced if this were electrolysed?
As I've found lots of information for it's ...
- 103
3
votes
1
answer
159
views
What kind of unit is this [A*m^2/mol]?
I found a term on this website that gives a unit of [A*m^2/mol]. The equation is:
$k_d^{eff}=\frac{2RT\kappa^{eff}}{F}(t^+-1)\left(1+\frac{\text{d}\ln(f)}{\text{d}\ln(c)}\right)$
where R is the gas ...
- 944
1
vote
1
answer
535
views
How to make γ-MnO2 in a lab?
I am working on Li-ion batteries, and I need to use γ-$\ce{MnO2}$ (electrolytic manganese dioxide). I have googled and read quite a few papers, but I am not very sure of those methods. I'd love ...
- 113
2
votes
1
answer
9k
views
What will be the reaction between tin (II) chloride and copper (II) chloride?
I just tried conducting an experiment during lunch today. Now, I calculated this reaction 4 days ago dealing with electrochemistry,
$$\ce{SnCl2 + CuCl2 -> Cu(s) + SnCl4}$$
Theoretically, I got ...
0
votes
1
answer
29
views
Is it possible to have an airborn fluorescent particle that reacts to lightning?
I want to measure the expansion of the atmosphere when it is heated and impacted by lightning, to have an idea of the propagation of sound waves made by lightning.
To do this, the ideal would be to ...
- 573
2
votes
0
answers
1k
views
Few basic questions about ionic bonding and batteries (lead)
I've got a few very very basic questions about ionic bonds and their role in batteries.
My assumptions (correct me if I'm wrong):
Ionic bonds occur between a metal and a non-metal (the non-metal ...
- 121
4
votes
4
answers
7k
views
Why is zinc deposited on copper when boiling an aqueous zinc sulfate solution?
I did an experiment where I dissolved 30 grams of zinc sulfate in water and boiled it with strips of solid zinc metal and strips of copper metal and a layer of zinc was deposited on the copper.
I ...
