All Questions
Tagged with aqueous-solution electrochemistry
71
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Specific conductance of 0.1 M acetic acid
Find specific conductance of $\pu{0.1 M}$ acetic acid given that its molar conductivity is $\pu{4.6 S cm^2 mol^-1}$.
I used the formula $\Lambda_\mathrm m = \kappa/c$, where $\Lambda_\mathrm m$ is ...
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Partial reactions in redox formation of rust
In the iron oxidation that results in rust, the first step is to steal 2 electrons from $\ce{Fe}$. The main thief is said to be the oxygen dissolved in water, witch uses the stolen electrons to form $\...
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Will a film of oil on water retard evaporation (of water) and prevent air and atmospheric impurities from diffusing into it?
I vaguely recall hearing that a layer of oil on water will slow down the evaporation of water, as well as serving as a barrier that would prevent (or retard) the diffusion of air and atmospheric ...
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Alternative to OLI simulation software
I work with modeling a number of aqueous solutions, but mostly it boils down to single-component saline solutions. The industry standard for determining various saline solution quantities such as ...
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Why does aqueous NaCl conduct electricity?
Could someone please explain why an aqueous solution of NaCl conducts electricity? I've Googled this up but couldn't get a satisfactory answer. This has an answer on Physics.SE but that's too ...
user29731
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Is water acidic enough for an redox reaction involving H+?
If you stored $\ce{Pb(NO3)2(aq)}$ in a $\ce{Cu(s)}$ container, would any reaction occur? Lead(II) ions will not react spontaneously with the copper solid as the $E^0_\mathrm{net}$ of the reaction ...
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Can silver metal be used to electrochemically reduce copper?
I have a solution of copper(II) ions and several cations. I am trying to reduce the copper ions to copper metal with electricity. My Ideas was to use silver as the anode and a copper wire as the ...
- 521
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Charge, Size, and Movement in Aqeuous Ions as Electrolytes
Would a pair of aqueous $+2$ and $-2$ ions necessarily conduct electricity better than the same concentration of $+1$ and $-1$ ions? Furthermore, would more massive ions not conduct as well as less ...
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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 ...
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0
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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 ...
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Electrolysis of water for demonstration: ideal electrolyte for safety, stability, conductivity, and ease of maintenance
I'm developing a system for educational purposes where electrolysis of water takes place. The aim is to practically show how electrical energy can be converted to mechanical, by electrolyzing water, ...
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Why does Mg react vigorously in NaCl solution and less so in water?
When you put $\ce{Mg}$ into water a few $\ce{H2}$ bubbles appear. But when you put $\ce{Mg}$ into a $\ce{NaCl}$ solution there is a vigorous release of $\ce{H2}$, why is this and what reactions are ...
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AgI and AgCl reduction potentials
The reduction potential for $\ce{AgI}$ is $-0.15\ \mathrm{V}$ and for $\ce{AgCl}$ it’s $0.22\ \mathrm{V}$. As $nFE =-\Delta{G} = T\Delta{S} - \Delta{H}$ this must imply that $\ce{AgI}$ is a stronger ...
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Reaction of sulfate ion in copper sulfate electrolysis
I am planning to try copper plating a piece of metal by performing electrolysis on an aqueous solution of copper sulfate. I plan run an electrical current with the metal I want to plate as the cathode ...
- 521
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Ionize Hydrogen and Oxygen Gas in Electrolytic Cell?
As is well known, water can be electrolyzed into oxygen and hydrogen gasses. However, all redox reactions can be run in reverse. If I were to electrolyze water in 2 closed containers (in order to trap ...
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