Questions tagged [silver]
Silver is a metallic chemical element with the chemical symbol Ag (Latin: argentum) and atomic number 47.
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Silver electroplating
In most of silver electroplating (or electrorefining) methods, it is mentioned that silver anode is oxidized in aqueous solution of silver nitrate, and that silver is deposited at the cathode (...
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Safe silver electroplating solutions
Are there any practical, sane and safe solutions that can be used for silver elctroplating/electrolysis that are purchasable?
Objective is to create silver crystals, but without having evil cyanide ...
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why does silver chloride darken when exposed to electromagnetic radiation
All I know about this is that it does but I have no idea as to why and when I ask the only answer I get is "Because it does" which isn't helpful in the least. If I could get a good, well-said response,...
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Dissolve Silver Oxide
I was looking at how to dissolve silver oxide (in a solvent). I know that monovalent silver oxide will not dissolve in water, but are there any solutions in which monovalent silver oxide will dissolve?...
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Dissociation of silver chloride in a solution
When silver chloride is exposed to light it can dissociate to silver metal and atomic chlorine. It might be a silly question, but could the chlorine go back into the solution as chloride ions ? if so ...
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How to Dissolve AgNO3 in ZnAc Solution?
In the preparation of $\ce{Ag}$ doped $\ce{ZnO}$ thin films by sol-gel method, I dissolved zinc acetate in 2-propanol while adding DEA and the solution is ready.
After that I added different ...
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Calculate the radius of an Ag atom
The question I have been given is:
Silver atoms in a metallic lattice only fill up $88\,\%$ of the space ($12\,\%$ is empty). The density of silver is $10.5\ \mathrm{g\cdot cm^{-3}}$. Assuming that ...
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Why does silver sulfate not precipitate in this double displacement reaction?
Aqueous silver nitrate is mixed with aqueous sodium sulfate. We were asked to perform this reaction in lab in my chemistry class, and we did not observe a precipitant being formed. However, the ...
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Why do silver nitrate and sodium hydroxide react to produce silver(I) oxide?
I did an experiment in class combining the aqueous solutions of $\ce{AgNO3}$ and $\ce{NaOH}$. I predicted that $\ce{AgOH}$ would form but it didn't, instead a brown precipitate. I found out it was ...
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Yellow stains after cleaning silver
I've recently moved to a old house and found some stuff in the attic, along that I found some really beautiful silverware(??) that unfortunately was VERY tarnished, one of the pieces was totally black ...
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Cleaning silver - which method is better? [duplicate]
What is the advantage of this approach over polishing the silver with an abrasive?
"Silver tarnish is an outer coating of silver sulfide, $\ce{Ag2S}$, formed when silver reacts with trace quantities ...
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Which sodium citrate is used in silver nanoparticles production?
In my studies, I have a group project to realise: to make some $\ce{Ag}$ nanoparticles using Turkevich method (boiling $\ce{AgNO3}$ with sodium citrate in water). In most of articles authors write ...
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How does the silver nucleate on glass in Tollen's reagent mirroring?
I want to know the exact mechanism for how silver would start to grow during a mirroring with Tollen's reagent. I've made two pictures to illustrate how I see the nucleation/growth process of silver ...
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Why does Silver form bonds with covalent character?
Compounds of silver form particularly strong bonds which is accounted for by the significant covalent character of the bonding. Furthermore, is the tendency to form covalent bonds linked to the fact ...
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Clean silver with aluminum foil and *
I already have two questions touching on this subject and there is a third question as well.
The thing is that all the other question talk about cleaning silver with aluminum foil and carbonated ...
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What is the chemistry behind cleaning silverware with aluminium foil
This question has a accepted answer on this site already:
What happens during cleaning silverware?
but the reason I ask the question again is because I found different "recipes" for the technique ...
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Why does HCl both precipitate and dissolve Silver?
Adding $\ce{HCl}$ to silver nitrate solution causes silver chloride to precipitate. Adding more $\ce{HCl}$ causes the silver to re-dissolve. What is happening to the silver chloride when it re-...
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Are radioactive isotopes of silver dangerous?
I know we all think of things like uranium as being radioactive in the nasty radiation poisoning sort of way. But do elements like silver have similar effects in their radioactive isotopes?
I'm an ...
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Extracting silver from Tollens test
When we add tollens reagent (diamminesilver(I) cation, $\ce{[Ag(NH3)2]+}$) to glucose it forms a silvery mirror on the walls of the container. Since the sides are coated with actual Silver,
is there ...
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Height of potential barrier
Could anyone please help to find the height of the potential barrier between silver and copper or $\ce{Ag-Cu}$. I am working on a piezo-resistive sensor based on copper fabric and silver electrodes. I ...
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Which silver halide is the most soluble?
Halides are group 7 elements. They generally have a low melting and boiling point. They are highly reactive. Silver chloride and silver bromide are not soluble in water. So they will be precipitates. ...
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What happens during cleaning silverware?
I know two distinct recipes for cleaning silver:
Put them into a pot with some club soda and a piece of aluminium foil and pour over a hot water.
Gently clean silverware with a fine chalk powder (...
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Copper substituting silver in Tollen's reagent
I am an artist attempting to use Tollen's Reagent in a number of my projects.
Is there any reason I could not substitute Copper Nitrate for the Silver Nitrate in the reaction? Would the copper ...
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Silver and milk (or milk products)
In the title I am refering to silver spoons, which, when used to consume milk products (like yogurt), get a weird taste. It could be described as umami/meaty, a little bit like onions. I came to the ...
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What is the origin of the bactericidal properties of silver in water?
I often hear that water gets purified by being in a silver vessel, which sounds plausible because of bactericidal feature of silver. What doesn't sound plausible, though, is the way it's explained: ...
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