Inorganic Chemistry

Hi guys I want to produce Koh(potasium hydroxide )from K2SO4. we use below reaction but I do not achieve to Koh from K2So4 k2so4+ca(oh)2=====2koh+caso4 please help me

hi dear please illustrate about below reation. I want to achieve Koh from K2So4 with this reaction but we could not achieve it please help me

Hello, im studyng colligative properties and i learned that the boilling point of the substances are determinated by the intermolecular foces and the size of the molecule. So why is NH3 (small polar molecule with hydrogen bonds between then) WAY more volatile than H2O (small polar molecule with hydrogen bonds between then) ? Sorry for the gramatical erros, not a native english speaker here. Thanks

I found a jug of Enforcer Maximum Strength Drain Opener gel in my garage, and would like to know if there is any method for separating the KOH from the rest. The MSDS gives me 1-10% KOH and <5% NaOCl, so I should get those two and maybe a few other things after boiling down the solution. (The liquid was very soapy when I looked at it, forming bubbles easily).

Please forgive me if this is under the wrong branch of science but I considered it to Be electrochemistry. I have been trying to build a hydrogen converter to get oxyhydrogen gas. I built my converter but had some problems, here was my setup: I used a plastic bottle, and drilled to holes in the side. In each of these holes a placed a stainless steel screw. I took 8 rechargeable AA batteries for my power supply. They are all rated for 1.5 volts but using my multimeter they were only 1.3( doesn’t matter too much to me). I put them in series and checked to see that they were 10 volts, which it thought would be good enough for splitting water. I used alligato…

Hello - I have been taking online courses on chemistry purely out of curiosity. I am having a hard time understanding how acids work on a very fundamental level. I understand the PH scale, titration equations, how acids and bases behave on a molecular level. So lets say I have HCl in an aqueous solution. From what I understand the hydrogen breaks off very easily from Chlorine, hence why it is a strong acid and basically you then have H3O+ hydronium ions floating around with Cl- ions. So the more hydrogen ions you have the stronger the acid. Why aren’t the Cl- ions essentially neutralizing the hydrogen ions overall since their the same opposite charge? What is e…

Metal salts, especially aluminum compounds are used in antiperspirants to prevent sweating. I found out aluminum chloride hexahydrate, which is found in most antiperspirants, undergoes an acid-base reaction with water which causes the proteins to denaturate, thus these proteins are precipitated out as a gel blocking the sweat glands. Additionally, aluminum is able to bind water molecules. However, I would like to understand the biological and chemical processes in more detail as I am not quite sure why there is no effective alternative to metal salts to prevent sweating. There are many compounds that could undergo an acid-base reaction with water. There are also diff…

Why Zync-air rechargeable batteries suffer for low efficiencies? Is it an inherent problem of all metal-air batteries? There also seem to be a large difference between Coulombic efficiency (around 90%) and roundtrip voltage efficiency (around 55%). Is there any ways to solve this problem somehow?

Mercury got contaminated with iron.Now had to remove iron to purify mercury.What way can this be done?

I am recycling some metals (Aluminum and Zinc). The salvage yard requires that the metals be kept seperate. From my high school chemistry, I remember that Hydrochloric acid (HCL) applied to Zinc (mossy), produces Hydrogen gas (HCL + Zn = H2 and ZnCl2). Supposedly, that is the "test" for Zinc. However, when I apply Hydrochloric Acid to known Aluminum, it releases a gas also, albeit less of a vigorous reaction. And again from my high school chemistry, if a gas is produced, it is also most certainly Hydrogen (HCL + Al = H2 and AlCl2). What am I missing here? How can I determine if the metal(s) in question is/are Zinc or Aluminum using acids (I have both…

Hi guys. English is not my native language, so this text is gonna have a lot of grammatical erros. I will have to do an assignment about titration with EDTA. These are the reactions we're gonna do. Copper sulfate + EDTA Copper sulfate + Cloridric acid(HCl) + EDTA Copper Sulfate + NH3 + EDTA I saw a video on youtube with a guy doing a reaction of Copper Sulfate + NH3. But he calls copper sulfate [Cu(H2O)6], instead of CuSO4. Does someone can explain why he does that? And when we add HCl or NH3 the product will be different?

I am trying to understand exactly what the Van der Waals equation states about the Pressure and Volume of a real gas compared to an ideal gas. Based on the equation, I think that P(ideal)>P(real) because the ideal gas needs to overcome the IMF of attraction since ideal gases have no IMFs; and V(ideal)>V(real) b/c ideal gases occupy no volume and had their volume been smaller, the gas particles would succumb to IMFs. If someone could please correct me if I am wrong and my logic, I would greatly appreciate it. Thank you.

How is possible to estimate the cmc on a pure theoretical basis? I know that: - The shape of the tenside molecule is cubic and has a volume of 1nm^3 - The amount of dissolved tenside can be neglected compared to the amount of tenside that is absorbed at the surface. Thank you all, Bellico

Hello, I'm new to this forum so I don't if I'm in the right place to ask this. Co(NH3)6 2+ + H2o2 ---------- Co (NH3)6 3+ + ? I can't figure out what are the products in this reaction. I know that H2O2 is oxidant so it has to be reduced to H2O. but then the equation can't be balanced.Thanks in advance!

Why isn't the universe just a big soup of chemicals? Why is it that when we find water, or dirt, or air, we find it with more water, dirt, or air. In other words, why not just a single water molecule by itself? Why do water molecules tend to stick around with other water molecules? When we look around the world, we don't see one uniform substance making up everything--we see rocks, trees, sky, clouds, rivers, animals, and so on. In other words, different substances clumping together and staying separate from other substances. Take the sky for example. It is not only composed of oxygen, nitrogen, and carbon dioxide, but water molecules. Water molecules tend to clump t…

Suppose you wanted to carry 500-1000 ml of a solution to neutralise acid or alkali attacks, what would the solution contain? I realise it should be a buffer and it also can't be too strong to prevent damaging body tissues with heat. I guess it would be ideal if it didn't effervesce either so it doesn't spread the acid/base around? I know you're meant to douse 30 minutes with water but I'm never going to carry 100 gallons of water so that's more of a second aid than a first aid. I'm not planning on getting attacked and it may not be worth the effort of carrying around a solution for this marginal eventuality but I did wonder what the solution should contain. I figure if yo…

hello, i have an experiment and i want to have the equations but i not sure if i´m right. The Experiment is: you have to give copper(II) sulfate into a test tube and add some drops of dilute ammonium hydroxide until the gelatinous light blue precipitate of copper(II) hydroxide dissolve. Observe the deep blue colour of the resulting solution, caused by the formation of tetraamminecopper(II) ion. Add the same volume of ethanol to the solution to precipitate tetraamminecopper(II) sulfate. The first equation is: 2CuSO4+2(NH3*H2O)=[Cu2(OH)2]SO4+(NH4)2SO4 what is the second equation?????

In E.C.S, there is an anticlockwise rule to predict the feasibility of reaction. According to anticlockwise rule, when silver ion reacts with iodide ion, it will form silver metal and iodine. However, silver iodide is formed instead. Why is it so? Thanks~

A new cathode material for Li-ion battery was predicted with an outstanding promises. https://aip.scitation.org/doi/abs/10.1063/1.4891868?ver=pdfcov&amp;journalCode=jcp https://www.researchgate.net/publication/261324842_Ultrahigh_Energy_Density_Li-ion_Batteries_Based_on_Cathodes_of_1D_Metals_with_-Li-N-B-N-_Repeating_Units_in_alpha-LixBN2_1x3 It would have higher energy density than Li-air battery if predictions are correct. Could they be right?

Basically I just want to know, what exact force it is, that holds molecules together? I've read a fair share of articles about it, and learned about electrostatics and Coulomb's Force. (Electrostatics is a part of wikipedia's series on electromagnetism.) But none of the molecule articles anywhere mentions electromagnetism! So, is it (basically) electromagnetism that does the job? Or is electrostatics not equal to electromagnetism?

Hello my name is Ryan. Im 22 and work at a hardware store but am always finding new things to learn about to occupy my free time. learning is a passion of mine and I just can’t seem to learn enough. My most recent interest is chemistry. I was initially turned off by any academic topic in highschool and wished I had the drive to learn then that I have now. What got me so interested in chemistry was an article I read about a 12 year old boy who built a working fusion reactor in his house. 12 YEARS OLD. After digging into it a little deeper the information I found the way atoms work and how they can create energy in many forms very intriguing and I want to know all I can abo…

Do you have any recommendations for safe or comfortable ways to purify water while travelling?

I am doing a science fair project and have a question about the limestone cycle. A typical limestone cycle has 3 parts given below: Cycle - Part 1: CaC03 + Heat -> Ca0 + C02 Cycle – Part 2: Ca0 + H20 -> Ca(OH)2 Cycle – Part 3: Ca(OH)2 + CO2 -> CaC03 + H20 The question is - Can Part 2 of the above cycle be skipped i.e. the part that requires water? And shorted the cycle as: Cycle - Part 1: CaC03 + Heat -> Ca0 + C02 Cycle – Part 2: Ca0 + CO2 -> CaC03 Appreciate help in this. Thanks SMathew

I'm new to chemistry and first I'd like to say, NO, I'm not trying to plate out sodium metal, in an aqueous solution, that's just ridiculous, lol(though I did see something on KOH but the product was less than desirable). I am however trying to knock CO2(g) Off and synth NaOH. Is that even possible? The way I see the reaction carrying out is: NaHCO3 + H2O -> @Anode: CO2(g) + O2(g) + 2H+ , @Cathode: NaOH + H2(g) + OH- Is that correct?

What would be the saturation point or density of a mixture of these two brines?