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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Which are the appropriate washing solvents for gas chromatography equipment?

I work in a laboratory where gas chromatography is used extensively. We handle terpenes and terpenoids (alcohols, ketones, and acetates derived from terpenes), organic solvents (acetone, acetonitrile, ...
3
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1answer
28 views

Is a supersaturated solution still a solution?

Given that a solution must be a homogenous mixture, and having crystallized solids at the bottom of a solution is most definitely not homogenous, can a supersaturated solution still be technically ...
2
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0answers
27 views

Alternative to water as solvent for lithium metaborate?

I want to prepare a sample of lithium metaborate ($\ce{LiBO2}$) and need to dissolve it for this purpose. The only solvents I found so far are water and ethanol. In ethanol, one cannot dissolve ...
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1answer
40 views

What are the non-aqueous solvents for sodium polyacrylate?

I am attempting to use sodium polyacrylate as a sodium transport mechanism in a sulfur-bromine cell. I can upset the sodium balance with sodium salts, but the contamination introduced by the ...
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1answer
113 views

How to reverse damage done by nail polish remover without acetone to a laptop keyboard?

Today I was trying to clean my laptop with a nail polish remover (ingredients: ethyl acetate, peg-40, hydrogenated castor oil, panthenol, parfum, d-limonene, geraniol, ci 26100, ci 60725). Not only it ...
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57 views

Dissolving ability of octane vs nonane on neoprene

I have been working with straight chain octane and nonane. The neoprene seals in some parts of the apparatus are allegedly far more vulnerable to the deleterious effects of octane than nonane - why? ...
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0answers
47 views

difference between solving and dissolving something

what is the difference between the terms 'solve' and 'dissolve'? up until now I have used the two terms interchangeably, not having any sound scientific definitions for each. I have thought them both ...
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2answers
2k views

Why do soft drinks fizz?

I know it has something to do with carbon dioxide, but what exactly happens and causes the characteristic sound we hear (especially after we shake the bottle)? How do we manage to dissolve a non-polar ...
2
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1answer
45 views

How to perform solvent extraction of a solid

Suppose I have a solid compound from which I want to extract a target chemical I know is soluble in acetone. So I crush and mix the compound in acetone, dissolving the target and suspending the ...
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1answer
40 views

Solubility in homogenous mixtures of solvents [duplicate]

Alcohol and water are miscible. I am coming across some chemicals that are soluble in alcohol and insoluble in water. If I know solubility in two solvents separately, is solubility in a mixture of ...
4
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0answers
54 views

How to dissolve a strong resin in difficult situation?

The resin is made up from two components: Component A: silicic acid, sodium salt (less than 10% sodium silicate) Component B: Diphenylmethane-4,4'-Diisocyanate, isomers and homologs ...
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2answers
94 views

Nucleophilic character in polar protic and polar aprotic solvents

ATTEMPT: In DMSO (Di-methyl sulphoxide), there is no acidic hydrogen. So negative charge on oxygen will be concentrated as the anion will not be solvated by the polar aprotic solvent. Hence it ...
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1answer
155 views

Why do some solvents bubble more than others when boiling?

This question about boiling milk reminded me of my everyday lab work at the rotavap: Some solvents and solutes are feared for the intense bubbling they create while the solution is boiling — be it at ...
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0answers
20 views

Solubilizing ability of dichlorobenzenes

I am trying to understand why 1,2- and 1,3-dichlorobenzenes are such good solvents, able to solvate many organic compounds known to be hard to get dissolved. Any precise answer? It has something to ...
9
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2answers
94 views

How do I predict the solubility of a compound in a mixture of water and an organic co-solvent?

I'm trying to predict the solubility of long alcohols (e.g. 1-octanol, 1-decanol or 1-dodecanol) in a mixture of water and an organic co-solvent such as DMSO, acetonitrile or ethyl acetate. For ...
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1answer
437 views

Electrical conductivity of organic solvents

Do organic solvents such as pure ethanol and pure methanol conduct electricity? why is this so? I have done some research and have not been able to find anything conclusive. I would think it would ...
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3answers
2k views

Why is fresh ice sticky?

Fresh ice cubes are almost instantly sticky and easily cling on to fabric and other similarly rough surfaces. A few minutes later, however, the effect almost completely disappears. What is the ...
2
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1answer
201 views

Mixing solvents and other compounds - safety issues

I would like to know if it is safe to mix organic solvents together or organic solvents with some compounds listed below. In a mixture with random ratios (greater than zero - all chemicals present) ...
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0answers
34 views

What solvents can get rid of oil stains?

What kind of solvent would you use to remove an oil based stain? I need help for a chemistry lab report and I tried to look it up but nothing seems to be helping me
2
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1answer
108 views

Reactivate dried up ink of ballpoint pens

According to this question, ballpoint pens start writing intermittently when the ink is drying up. In other words, the ink is becoming more viscous and does not flow any more. Are there ways to make ...
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0answers
20 views

How do I calculate the viscosity of a mixture of toluene and isopropanol?

I am trying to understand why my nanoparticles will only electrophoretically deposit in a non-polar solvent and a non-polar/polar solvent mix but not in the polar solvent. I am hoping to use zeta ...
2
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0answers
29 views

Reference request for the number of solvents around a solute

I want to know if there is a way to find number of solvent molecules that are directly embracing a solute molecule ( something like a reference or table that shows waters of hydration ). Particularly ...
5
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1answer
44 views

Name for analog of salt hydrate with non-water solvents?

Salts can bind with some water to form hydrates. For example, we can call $\ce{CoCl_2\cdot 6H_2O}$ cobalt chloride hexahydrate. There is no reason that water should be the only solvent that can bind ...
3
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1answer
67 views

Why do exothermic dissolution reactions occur?

I've always been taught that an exothermic dissolution means that the forming of solute-solvent bonds releases more energy than the energy consumed to break solute-solute bonds and solvent-solvent ...
5
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1answer
170 views

Mixing solvents, or how does paint thinner work?

I would like to understand how a mixture of solvents works together. For example, there are two solvents combined, and each one alone can dissolve some material, but one acts faster. How do they ...
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1answer
30 views

Solvents in substitution reactions

My book says that to favour a reaction by SN1 mechanism we need to use a polar protic solvent and a polar aprotic solvent in a reaction by SN2. * My Prior Knowledge:* There are two types of polar ...
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1answer
135 views

Molecular weight determination from freezing point depression

I have these two questions in my lab manual and I don't know how to approach them. Which is the better solvent for molar mass determinations by freezing point depression, benzene or cyclohexane? ...
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0answers
33 views

Make pure phthalocyanines from phthalocyanine dyes

We need a pure copper phthalocyanine for our experiments. Of course, we can buy it from Sigma Aldrich, but this means we'll have to wait a while. In local area we can buy only dyes which are about 98% ...
2
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1answer
33 views

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?
2
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1answer
86 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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2answers
84 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 ...
2
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1answer
259 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.
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1answer
105 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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0answers
19 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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0answers
37 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 ...
2
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1answer
49 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 ...
2
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1answer
459 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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0answers
30 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
1k 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? ...
2
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1answer
109 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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5answers
5k views

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 ...
2
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1answer
54 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
497 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
76 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 ...
2
votes
1answer
49 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
191 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 ...
1
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1answer
98 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 ...
6
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2answers
277 views

Role of Alcohols(EtOH,MeOH) in nitro reduction used for Metal(Sn,Fe)

I'm trying to reduce an aryl nitro group. I understand that these reactions are radical reactions by the metal, but I don't understand why alcohols are used as the solvent. Are they used as a ...
3
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3answers
131 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 $\ce{HBr}$ into ions. But why a protic solvent? Why would we want a solvent that would encage the $\ce{Br}$ and $\ce{H}$ ions? Why is the ...
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1answer
2k 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 ...