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Inorganic Chemistry

Chemistry with inorganic compounds.

  1. Hi everyone, How would you suggest to make an alloy of Bismuth and Antimony under vacuum? Would it be appropriate to use a heavy wall Schlenk flask and hard vacuum conditions? Thank you, Andres

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  2. Started by AnanthVV,

    Hello, I am trying to use washing soda as an electrolyte in electrolysis. I just want to make sure no harmful chemicals will be released in the chemical reaction . I just to be cautious since last time I got chorine gas and I freaked out. Will the electrolysis of washing soda release anything I should be aware about. Please reply if you have any information. Thank you - Ananth Vivekanand

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  3. Started by noxid,

    Is radon toxic because it is radioactive or because it is chemically active?

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  4. Started by lazaruz,

    I'm trying to understand why my solution of Iron (II) sulfate dissolved in water turns brown. What I'm attempting is recrystallization of Iron (II) sulfate moss killer to purify it, but I have to deal with a lot of brown sludge forming on the bottom. There are nice green crystals forming but it always has this brown on them. Is this caused by oxidation and is it Iron oxide that is formed? Is it because I heat the solution too much? It seems to get worse with heat. Is there any way to prevent this? I'm very new to this so any help would be greatly appreciated.

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  5. I have a question: I know hydrogen goes out of terrestrial gravitation and I think that maybe oxygen is formed from the water.......... but I don't know if the water reacts during a lightning......................

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  6. Hi there everyone! I've been learning about electronegativity in school and was told by my teacher that there is nothign that can oxadise Fluorine. Is this true? If not then can you tell me what the substance is that can oxadise it? Cheers, Ryan Jones

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  7. Hello, I would like to show you this interesting phenomenton I came across by pure chance. The attached photos show a slab of pure iron that I have made from bog iron ore in a clay furnace, exactly like iron was made several thousand years ago in the european iron age. The slab is approx. 21 cm (8.3 in) wide and 6 cm (2.4 in) high and has been cut out of a larger bloom weighing about 7.5 kg (16.5 lbs) with an angle grinder. I have had it lying outside the entire summer in an iron age heritage center as part of a display on prehistoric ironsmelting. Now, after some time I noticed that the iron slab did not rust, even though we've had quite a bit of rain. Parts of t…

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  8. Started by Donci6552,

    What is an easy way to separate the lead and tin in Solder?

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  9. Started by Moazie,

    I'm trying to determine the CaCO3 amount in a polyacrylate sealant by using Thermogravimetric Analysis (TGA). Before I started testing the polyacrylate sample, I first did an analysis of pure CaCO3. The result proved my thoughts: one single mass drop due to CaCO3 degradation where CO2 leaves and CaO remains. But now, when I test the polyacrylate sample: the TGA-curve shows me 2 mass drops. I already figured that due to the inert atmosphere used for the TGA (N2 gas) and the polyacrylate is an aqueous system, I'm dealing with the following reaction: CaCO3 + H2O -> Ca(OH)2 + CO2 : Because of the N2-atmosphere I think that the equilibrium is pushed to the right…

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  10. Started by Ankit Gupta,

    According to aufbau principle 4s will fill before 3d orbital because it has lower energy ,OK ,but now I read that in scandium and other 3d elements ,when donating electrons 4s will go first and then 3d .So please explain me why this happens , didn't found any explanations in books I have ,and on Google I found that this is because higher principal number of 4s,but it looks like more of a definition than explanation.

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  11. Started by Sorsor_7,

    How much nitric do i need per ounce of water during electrolysis? Also are there any better electrolytes (preferably not NaOH).

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  12. Started by freakJoe,

    when we have for example KPtCl3(NH3) complex, the Pt-N bond is probably more short bond that Pt-Cl... what can i say about them? should it influence the bond which is in trans position to NH3 substutuent? shouldnt it be affected by it, e.g. become weaker? what about orbitals? some polarization? when you have KPtCl3(NH3) molecule, and you add next 1 eq of NH3 to it, it will substute the chloride which is in cis position to NH3 which is aready in molecule, right? becaus NH3 has weaker trans effect than Cl- so it cant put in trans position to itself.

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  13. Started by Donci6552,

    I was wondering if the mercury in a solution of Mercury (II) Sulfate could be substituted for Zinc or Cadmium by adding the metal to the solution.

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  14. I believe titanium is used in some armor or armor piercing rounds. On the molecular level, what makes titanium more resistant to damage (via blunt force) than steel? if its not, then is there anything stronger than steel? (Not talking melting point) ~EE

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  15. From what i know is boric acid -------->methanoic acid------>borin oxide. But what is the condition and reagents are needed? Pls help me, if can in details~

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  16. Started by Ilaria,

    Dear all, I would like to understand why after the reduction of an amide with LiAlH4 in THF the reaction is quenched with 5% aqueous NaOH and not just with water. Does this have to do with the dangerous reactivity of LiAlH4 towards water or with the formation of emulsions? What happens and what is formed when you quench with water and when you quench with NaOH? Thank you in advance!

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  17. Started by jordehwa,

    i made hole bunch of boric acid but i dont know what to do with it. i already know the green fire experiment, is there any other experiments i can do? maybe making borates?

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  18. Started by Kriztin27,

    What happen when p-nitrophenyl caproate mixed with ethanol? Is p-nitrophenyl caproate similar to p-nitrophenyl decanoate?

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  19. Started by newb12344,

    Is there any chemical or physical route to dehydrate P2O5? I just had a sample of P2O5 bought from Aldrich, and since it came on the weekend I wasn't able to store it in a moisture free area for three days. The monsoon also contributed in hydrating the phosphorous pentoxide within the sealed container. It has formed brown(ish) agglomerates due to absorption of water. I've heard we could get Pyrophosphate traces at max with simple heating. Please suggest a possible method to dehydrate the material. (Go crazy.. the lab provides me with any sort of equipment)

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  20. Started by Donci6552,

    I electrolysed a piece of magnesium, connected to the positive terminal, hoping to get a thin MgO layer but instead I got this greyish black layer. The electrolyte I used was sodium bicarbonate, could it have been carbon that deposited on my product? Or does magnesium react with the sodium hydroxide formed? Please help!

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  21. Started by Dean137,

    HI all, long time reader first time poster here I have a question and looking for some help. Its been along time since I used any chemistry I learned while doing my degree but for the life of me I cant figure out this. I have a 300L overflow tank with a PH of 13 it needs to be reduced to below 9 before it can be disposed of, I have 1M HCl available how much HCl do I need to add to achieve below PH9. Thank you for any help

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  22. The Janet Periodic Table was first published in 1929. This table may be re-arranged as a series of four square matrices. Each matrix is a different size. I believe that square matrices are important in physics. If each cell of each matrix is represented as a cube, the matrices may then be stacked vertically. The result resembles a "stepped pyramid" having four levels. This gives a three dimensional periodic table. The structure relates any cube (cell) to a unique set of quantum numbers, which may also identify a "location" within the structure. The quantum numbers of any element also defines its location within the 3D table. I wonder if the energy of a `most significan…

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  23. Started by JvIv,

    So I'm a pool guy and I use sodium bromide with chlorine as a disinfectant it's just hard to get any where I am I have to buy it from out of town I live in Dallas Texas and order it from California does anyone know if I can pay someone to make sodium bromide if it's even possible or of any chemical suppliers that I can buy from instead of a pool company that over charges

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  24. Started by freakJoe,

    what is the relationship between the geometry or energy difference between orbitals and chemical shift? Like, for octahedral Pt(IV) is +800, for square planar(II) -2000...

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  25. Started by freakJoe,

    It is not soluble in DMF, right? neither AgCl

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