Questions tagged [mercury]

For questions pertaining to the unique physical, nuclear, and chemical properties of mercury.

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9
votes
4answers
1k views

Is it safe to look at a mercury gas discharge tube? [closed]

As part of a chemistry course, I recently observed a demonstration in which the instructor electrified a mercury gas discharge tube (the tube looked something like this image). The glow from the tube ...
2
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0answers
31 views

Does mercury react with polycarbonate?

Looking around at various material compatibility charts, they seem quite divided on the compatibility of metallic mercury and polycarbonate. Some sources (here, here, or here) indicate that ...
0
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0answers
27 views

Mercury thiocyanate synthesis

My friend and I are trying to synthesize mercury thiocyanate, however the only reagents we have access to are mercuric acetate and ammonium thiocyanate. We figured that we could possibly force a ...
3
votes
2answers
194 views

Why does an mercury ore exist as HgS?

Cinnabar($\ce{HgS}$) is one of the most common ores of mercury. Why does it not exist at $\ce{HgO}$ or some other such compound? Is there any reason for why it is so prevalent? Does it react less ...
1
vote
0answers
24 views

What is the inter-particle bonding in elemental mercury? [duplicate]

In most pure metals, there is metallic bonding where there exist positive monoatomic ions and a sea of electrons. Is this the same with mercury? If not, then in elemental (liquid) mercury, what kind ...
12
votes
3answers
1k views

Can electrodes be made from mercury?

'Mercury' was included in one of the possible answers for this exam question: Name a metal that an inert electrode could be made from. My answer was 'platinum' which was also a possible answer, but ...
0
votes
2answers
87 views

Why are chelating ligands often used to treat poisoning by heavy metals (e.g. mercury, lead)?

Why are chelating ligands such as EDTA often used to treat poisoning by heavy metals (e.g., mercury, lead)? I have a vibe that it has something to do with the lone pairs of electrons that are able to ...
1
vote
2answers
2k views

How much time liquid mercury takes to evaporate?

I asked before about a thermometer that I broke yesterday. To summarize, I broke a mercury thermometer in my bedroom, which is a place where is difficult to have sure that I get rid of all mercury, ...
2
votes
2answers
493 views

How to switch Mercury-vapor lamp between UVA and UVC bands? [closed]

I have Mercury-vapor lamp emitting UV light. I am looking for the nice solution to cut off spectral lines for UVA or UVC, to make it one day to generate ozone and another day to use it for ...
0
votes
1answer
98 views

Why is gas pressure measured in mmHg?

Pressure can be measured in $\pu{mmHg}$ which is equal to the pressure exerted by a “column of mercury” of a height expressed in $\pu{mm},$ at $\pu{0 °C}$ under Earth’s normal gravity. Does the ...
0
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1answer
46 views

Cadmium Selenide, Cadmium Sulfide, Cinnabar and Lead Oxide toxicity

I have a question about the toxicity of the pigments Cadmium Selenide (Cadmium Red), Cadmium Sulfide (Cadmium Yellow), Mercury Sulfide (Cinnabar or Vermillion) and Lead Oxide (Lead White). Not long ...
1
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0answers
31 views

Mercury bulb on spirit thermometer?

I recently broke a Quickfit distillation thermometer and the bulb had liquid metal in it. I assumed it's mercury and acted accordingly. However, the column looks like spirit filled (blue liquid). Has ...
1
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0answers
40 views

How is mercury in drinking water detected? [closed]

A document I've been reading states that: Both the Maximum Contaminant Level Goal and the Maximum Contaminant Level were set at 2 parts per billion because current technology allows public water ...
5
votes
3answers
223 views

How diphenylcarbazide is used to detect Mercury II ions?

Diphenylcarbazide is used in test strips for heavy metals detection in drinking water but I can't find much info on this reagent, apart from it's MSDS and a preparation for detecting Chromium VI ions, ...
0
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0answers
98 views

Accidental Dimethyl Mercury?

Need some help from chemists. All questions are hypothetical situations, I am not trying to synthesize this chemical. I am trying to understand its formation and reactions, And if certain chemical ...
3
votes
1answer
705 views

How does liquid mercury conduct electricity? [closed]

It is stated that mercury is a liquid at STP because the high relativistic mass of its valence electrons stabilizes their orbits and thus prevents the electrons from being shared. If so, liquid ...
0
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3answers
292 views

Obtaining mercury from mercury(II) nitrate

I was thinking about obtaining mercury from mercury(II) nitrate. Is it possible? I've tried putting chunks of Fe into it, I've got the logic from the voltaic table (where Fe is on the left side of Hg, ...
2
votes
1answer
686 views

Magnetic mercury

Well, since I'm not sure, quite simply: Is there a possible way (apart from running a current through in the presence of a perpendicular $\mathbf{B}$ field) to make a small mixture of mercury magnetic ...
-6
votes
1answer
2k views

How was this fake red mercury video made? [closed]

I Found on web video make me wondering what the hack is this , how its even possible ,so any one know what is happen can explain to me please youtube video B_olJLjgcHc
11
votes
2answers
2k views

What purpose does mercury dichloride have in fireworks?

My local newspaper ran an article covering the local rules about fireworks. One of those rules specifically calls out "snakes and fountains containing mercury bichloride" as forbidden. Neither ...
3
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3answers
924 views

Is there a method to separate iron from mercury?

The mercury is contaminated with iron. Is there any way to remove iron from mercury?
0
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2answers
493 views

What happens when mixing elemental mercury with sodium hypochlorite solution [closed]

Say you spilled elemental mercury from a thermometer and used household bleach on it, what would be the reaction if any?
2
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0answers
307 views

What makes dimethylmercury ((CH3)2Hg) so penetrative through latex and human skin?

I've read the story of Karen Wetterhahn and how she was poisoned and died from two drops of dimethylmercury that accidentally fell on her latex glove, and I was wondering what is the chemical ...
3
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0answers
33 views

Has Crabtree's photochemically-activated mercury-catalysed hydrocarbon activation process ever been used commercially?

In the 1980s, while searching for new hydrocarbon activation catalysts, Crabtree's research group accidentally found that mercury vapour activated photochemically could perform some interesting and ...