Questions tagged [mercury]
For questions pertaining to the unique physical, nuclear, and chemical properties of mercury.
34
questions
0
votes
0answers
84 views
Small mercury spill [closed]
few weeks ago a thermometer for home use (temperature measuring) broke under our bed on our wood floor 11/18. We cleaned the spill using paper and safely removed it from the house. We ventilated ...
1
vote
1answer
172 views
Why does mercury(II) nitrate form only when using concentrated nitric acid?
In the reaction between mercury and nitric acid, mercury(II) nitrate only forms when concentrated nitric acid is heated up and added to it, if the acid is dilute, mercury(I) nitrate forms.
I ...
0
votes
1answer
82 views
On basic mercury salts
$\ce{HgCO3.3HgO}$ and $\ce{HgO.Hg(NH2)Cl}$ are called basic mercury carbonate and basic mercury amidochloride, respectively. I found this thread on the former; I've only seen the latter as the product ...
4
votes
1answer
42 views
Toxicity of Mercury (II) Iodide and dicopper (I) tetraiodomercurate (II)
This is a continuation from my previous post.
Could you please give me some info on the toxicity of compounds $\ce{HgI2}$ and $\ce{Cu2[HgI4]}$? I found on sigmaaldrich.com that these are very ...
2
votes
0answers
32 views
Chemical properties of dicopper (I) tetraiodomercurate (II)
This is a continuation from my previous post.
Where can I find information on the chemical properties of $\ce{Cu2[HgI4]}$? I found a mention that in reaction with $\ce{Na2S2O3}$ in presence of acid ...
4
votes
0answers
67 views
How to use Sodium Thiosulfate for fixing dicopper (I) tetraiodomercurate (II)?
DISCLAIMER
DO NOT TRY TO DEMERCURATE USING DESCRIBED PROCEDURE. CONSULT YOUR EMERGENCY SERVICE.
I found a discrepancy between a government-approved procedure of living quarters demercuration and the ...
-1
votes
1answer
122 views
Cinnabar decomposition by heating optional method?
Is it possible to decompose cinnabar into $\ce{Hg}$ and $\ce{S}$ instead of $\ce{Hg + SO2}$ with roasting and heating. What conditions need to be satisfied in the new method?
0
votes
1answer
71 views
Does cinnabar react with iodine?
Does cinnabar react with bromine and iodine to form elemental sulphur? This reaction was described in "Explorations in the history of science and technology in China" but I have doubts...
0
votes
2answers
54 views
Confusion in barometer experiment
Now at A, there is pressure by mercury column which is nothing but it's weight. Then, at C there is pressure which is atmospheric pressure. Also, the density at A is more than at C. What they say ...
1
vote
1answer
33 views
Amalgamation involving an alloy [closed]
Just curious, would mercury form an amalgam with gold that is already part of an alloy, i.e a gold platinum alloy?
8
votes
4answers
2k 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
votes
0answers
69 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
votes
0answers
37 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
323 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
26 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
230 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 ...
3
votes
2answers
9k 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
720 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
1k 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
votes
1answer
103 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
vote
0answers
43 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
vote
0answers
47 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
312 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
votes
0answers
137 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
2k 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
votes
3answers
762 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
885 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
votes
3answers
1k 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
votes
2answers
891 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
votes
0answers
473 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
votes
0answers
36 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 ...
