A liquid, solid, or gas that dissolves another solid, liquid, or gaseous solute, resulting in a solution that is soluble in a certain volume of solvent at a specified temperature.

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Etching a Screen Protector Film

I have to etch a pattern on a plastic film similar to the ones used to protect phone screens. I want a very thin etch, one that is only visible on close inspection. How can I get that done?
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1answer
19 views

Washing a solvent?

Why would you wash a solvent with $\ce{NaOH}$ solution? Does $\ce{NaOH}$ solution help water and solvent separate like $\ce{NaCl}$ solution does (salting out)? Would you wash with hot or cold ...
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49 views

Can Liquid CO₂ dissolve plastic

I know that subcritical and supercritical $\ce{CO2}$ are excellent solvents. I've seen some examples of plastics being damaged by the $\ce{CO2}$ being impregnated into the plastic at very high ...
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1answer
35 views

What Can Dissolve Polypyrrole?

I am looking for a solvent for polypyrrole. I read M-cresol and chloroform can be used, but I am not entirely sure. Thanks for your help!
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1answer
21 views

How to remove epoxy on clothes?

How to remove epoxy on clothes in the perspective of chemistry? More precisely in my case, how to remove the hardener of epoxy, which consists of two components: hardener and resin. The clothes is ...
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15 views

Which solvent is good for using SU-8 particle in Optical tweezers?

I'm studying Optical tweezers. I've used Polystyrene for samples. Nowadays, I've got SU-8 pillar. I wanna use that for sample, but its density is heavier than water. I can't use that. So I wanna know ...
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26 views

How paper-tag survive in the dry-cleaning process?

This prevent the clothes from being ruined by ink on the paper tag. To put the garments attached with this paper through the whole process of dry-cleaning, I have the questions listed below paper ...
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1answer
43 views

Order of molecular mass of solvent; given boiling point [closed]

So I got this question in my tuition test and the solution is unclear. This question is troubling me a lot. $Question:$ given three solvents X, Y, Z. Order of boiling point of pure solvent ...
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1answer
56 views

What is the difference between IPA and Ethanol in terms of solubility?

I have read an article online that says that ethanol could be used in a solvent extraction of two solids, but it also says that isopropyl alcohol could also be used, but must be used in higher ...
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16 views

solvent interaction with thermal paper

If you place a piece of paper that prints via a laser eg, fax paper or some receipts, on top of a piece of normal paper you have drawn on with a Bic Marking 2300 permanent marker, the image transfers ...
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2answers
229 views

Is it possible to have Volume(solution) < Volume(solvent) + Volume(solute)?

I recall seeing chemistry demonstrations where a significant amount of a solute is dissolved in a solvent and the solution volume barely changes. Questions regarding this: 1) How is this possible? ...
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1answer
48 views

how to use di-tert-butyl dicarbonate (diBOc) as a solvent?

how should we use di-tert-butyl dicarbonate(diBOc) as solvent? In reference, diBOc was in the form of a liquid but when I checked the bottle it was in solid state. diBOc should be stored at 8-10 ℃. ...
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Why is water “the universal” solvent?

An old question that our textbook tried to answer but worsened the situation. Many things are soluble in water. So many, that studying solutions will always require studying aqueous ones. It is true ...
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1answer
41 views

Why is hydrogen bonding more significant than any other interaction between dipoles?

Solvents can be categorized as polar and protic. I understand that to be protic there had to be a significantly polar bond involving a hydrogen atom. However, how is the a hydrogen bond different in ...
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2answers
84 views

How to predict the solubility of an organic compound in different kinds of solvents? [duplicate]

How is it possible to know whether a particular solvent will dissolve in a particular kind of solvent, i.e. organic, polar, protic...? Are there any indicators to look for in molecules or elements ...
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1answer
50 views

Changing diethyl ether (as anti solvent) in a reaction

I want to run a reaction that needs diethyl ether as anti solvent in the last step (comes from articles). But I can't use it due to its harmful effects on the body. Is there any other solvent? My ...
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1answer
27 views

How can a waterproofing material be “water-based”?

I've been trying to determine how a particular waterproofing material, which claims to be "water based", can still be hydrophobic. First of all, the product in question is EPRO ECOLINE-R, which also ...
2
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1answer
48 views

Which chemicals could be used to dissolve Polybutylene Terephthalate (PBT), but not dissolve brass?

This is for a recycling project, I am looking to recover brass pins from electronic connectors made of glass reinforced Polybutylene Terephthalate (PBT). The objective is to find a chemical which ...
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1answer
41 views

What is the difference between Dielectric and Capacitive Polarizable Continuum Model?

I have good background knowledge on Quantum Chemistry calculations but my knowledge on Solvation Models is not that amazing ! Many times I read a paper that uses TD-DFT, they also assign some solvent ...
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3answers
76 views

Why would a polar PROTIC solvent favor the addition of HBr to an alkene?

I understand that a polar solvent will help dissociate the HBr into ions. But why a protic solvent? Why would we want a solvent that would encage the Br and H ions? Why is the aprotic not favored? My ...
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1answer
311 views

Salt concentration and electrical permittivity of water

We know that the electric flux density $D$ can be related to electric field intensity $E$ as $D=\epsilon(\omega) E$ $\epsilon(\omega) = \epsilon_0 \epsilon_r(\omega) $ where $\epsilon_0$ is the ...
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1answer
61 views

Approach to model solvent in a lattice: e.g. H2O in NaCl

If a lattice contains a solvent, lets say NaCl and water of crystallisation, what is the condition for a solvent molecule to change it's location? From my current point of view I assume that such a ...
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52 views

What are the uses of a mixture of chloroform and N₂ gas? [closed]

What are the uses of a mixture of chloroform and $\ce{N2}$ gas? Also, what are the uses of a mixture of camphor and $\ce{N2}$ gas?
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2answers
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How hazardous are peroxide-able ethers if stored properly?

This question is directed towards laboratory scientists and technicians who actually deal with ethers that can develop peroxides upon concentration (e.g. diethyl ether, THF, dioxane). I am already ...
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2answers
62 views

Grignard: Unreacted Magnesium

A Grignard reagant was prepared from an alkyl halide and magnesium chips, then reacted with a ketone. The resulting solution has been stirring for a few days at low temperature (0-5°C). It's now time ...
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1answer
48 views

What is an effective fabric-friendly solvent for aluminium chlorohydrate?

I have recently found out that the white/yellowish "sweat" stains one occasionally finds on t-shirts might be aluminium chlorohydrate polymers. While talk about aluminium and antiperspirants is all ...
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1answer
37 views

Is there a good sol gel method for carbon nanotube thin film deposition?

I was searching for a sol gel method for deposition of carbon nanotube thin films and there aren't too many articles on that. Does anybody know the reason? Is it because Carbon nanotubes are ...
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1answer
186 views

CuI, CuSCN Solubility in Ammonia Solution

I am trying to dissolve copper(I) iodide and copper(I) thiocyanate in ammonia. I am quite sure that they both dissolve in liquid ammonia, and are insoluble in ethanol. If I were to purchase a 2.0M ...
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1answer
316 views

Solvent for copper(I) iodide, copper(I) thiocyanate, silver iodide for HTM deposition; safety for methylammonium lead iodide

I'm a student working in a high school laboratory that is looking to pursue research into perovskite cells for next year, but I have some solubility and safety questions. What would be a good solvent ...
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0answers
16 views

Do organic-soluble enolates made from hydroxides, have the water separate out in phase separation?

If I have an enolate made from a hydroxide, and this enolate salt is soluble in organic solvents, but not soluble in water, then would mixing it into a water-insoluble organic solvent cause the water ...
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2answers
124 views

Best way to clean a gold-plated yoyo bearing?

I have a gold-plated yoyo bearing which needs cleaning. Most people clean regular non-gold-plated bearings with mineral spirits (naphtha), lighter fluid (hexane/heptane), and acetone, but these gold ...
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1answer
51 views

Searching for a solvate that changes its solvation property

I'm looking for a solvate that changes its solvation property when being dried. One example of such a material is gypsum: at temperatures up to 250°C it becomes γ-anhydrite which will slowly hydrate ...
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150 views

Is this a trick question?

Disclaimer: It has been a very long time since I have done any chemistry. My friend posted this question on social media, I've copy+pasted it here: Exactly 16.0ml of a solution A is diluted to ...
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1answer
2k views

How could alcohol be made into a powder?

In the news recently is 'Palcohol', powdered alcohol, http://www.palcohol.com/home.html that you add to water or existing liquids to make it alcohol. Presumably this would dissolve and break apart ...
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1answer
279 views

Why should one perform an extraction with multiple small portions of solvent as opposed to one large portion?

I'm performing a liquid liquid extraction on a 1 Liter water sample for GC analysis. The procedure calls for 3 extractions with $50~mL$ of $\ce{CH2CL2}$. Would one extraction with $150~mL$ produce ...
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Does removing solution affect a supersaturated solution

Given a mixture of: a saturated solution of a solute in a solvent together with excess of the solute compound as crystalline material. If one were to change the bulk composition of the mixture by ...
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2k views

How to separate HCl and NaOH from salt and water solution?

I mean, how can we reverse the neutralization reaction of HCl and NaOH to get back HCl and NaOH. I want to extract HCl and NaOH from a mixture of common salt and distilled water in equal proportions ...
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234 views

Dry ice and acetone

In my organic chemistry class there are several reactions that I've been told are generally conducted at -78 C, which is apparently also the temperature of dry ice in acetone. This is all well and ...
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votes
1answer
137 views

Ester as a solvent

I am curious as to why ester is used often as a solvent in organic chemistry? How is it different that just using water, which is also polar? I'm sorry if this is a basic question, I'm just a student. ...
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1answer
58 views

Are there any significant industrial processes that use liquid ammonia as a solvent?

There are some interesting laboratory reactions that use liquid ammonia as a solvent (for example, the Birch Reduction where an alkali metal is dissolved in liquid ammonia). There have also been some ...
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1answer
500 views

Storing chloroform

I'm going to be aliquoting out ethanol-stabilized chloroform into smaller containers. It's presently in a large bottle sealed with a rubber(y) sheet so I can only draw it out with a needle. My ...
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2answers
8k views

How to calculate molality, molarity and mole fraction given density (g/mole)?

Calculate the molality, molarity and mole fraction of a $\ce{CuSO4}$ in a 17% m/m aqueous solution (density of the solution is 1.367 g/mole) I did .17 * 1.367 to find grams of $\ce{CuSO4}$ and .83 * ...
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1answer
152 views

Absolute limits on solubility of immiscible solutes?

I know that for a particular, immiscible solute, there is a limit on how much of it can be dissolved in a solvent at a given temperature. However, I was wondering if there is only so much "total ...
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1answer
80 views

Solvated solids

I have a very basic question concerning solvation. If a solid (solute) was dissolved in a liquid (solvent), is the solute still in the solid state? or does it convert into another state of matter when ...
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1answer
230 views

Rotary Evaporator Cleaning

I am using a rotary evaporator ('rotovap') in my lab mainly with dichloromethane as a solvent. Usually between experiments I clean the receiving and boiling flasks with a brush using soap and water ...
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1answer
609 views

Solvation effect on cyclohexane

I ran molecular dynamics simulation with a molecule of methylcyclohexane soaked into a water box. On the other hand I ran Monte Carlo with the molecule alone (no soaking). I performed this for the ...
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129 views

Solving carbon black

I want to remove a layer of 2 mm thick carbon black on a copper bowl on the outside from hanging over wood and coal fire. I have tried different solvents, but the carbon seems to be very resistive. ...
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1answer
854 views

How can one find products when one knows the reagents?

I'm going to use an example (I could have used a different one); On the document it is about the study of the chemical balance of an acid-basic solution. The chemists have written the chemical ...
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1answer
136 views

Is it possible to estimate a substance's water solubility from data like the substance's partition coefficient, dissociation constants, etc.?

If it is possible, how would you estimate a compound's water solubility from data like its partition coefficient, $ \log P $, its dissociation constant, $pK_a $, its molar mass, etc.?
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Removing Epoxy Glue from a ceramic piezostack

I am going to stick a strain gauge to the side of an expanding piezocrystal using a basic 2 part epoxy glue. I am eventually also going to be sticking other things to it. Does anyone know a safe way ...