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Miscibility print that page

Dieselrainbow

In organic compounds , the weight percent of hydrocarbon chain often determines the compound's miscibility with water. For example, among the alcohols , ethanol has two carbon atoms and is miscible with water, whereas octanol with a C 8 H 17 substituent is not. Octanol's immiscibility

Azeotrope print that page

An azeotrope ( / ə ˈ z i . ə t r oʊ p / ə- ZEE -ə-trope ) is a mixture of two or more liquids in such a ratio that its composition cannot be changed by simple distillation . [ 1 ] This occurs because, when an azeotrope is boiled, the resulting vapor has the same ratio of constituents

wikipedia.org | 2011/5/3 8:46:33

NOVEL PHARMACEUTICAL APPLICATIONS OF HYDROTROPY print that page

Step1

Hydrotropy is a method of increasing the solubility of a substance or solute. Hydrotropy is the term originally put forward by Carl Neuberg [ 1 ] to describe the increase in the solubility of a solute by the addition of fairly high concentrations of alkali metal salts of various organic acids

Tetrahydrofuran print that page

66 °C (339.15 K) Solubility in water Miscible Viscosity 0.48 cP at 25 °C Structure Molecular shape envelope Dipole moment 1.63 D (gas) Hazards MSDS External MSDS EU classification Flammable ( F ) Irritant ( Xi ) R-phrases R11 , R19 , R36/37 S-phrases

wikipedia.org | 2011/2/10 20:57:11

Aerogel print that page

Aerogelbrick

Aerogel was first created by Samuel Stephens Kistler in 1931, as a result of a bet with Charles Learned over who could replace the liquid in 'jellies' with gas without causing shrinkage. [ 3 ] [ 4 ] Aerogels are produced by extracting the liquid component of a gel through supercritical drying

Solvent print that page

uniformly distributed at a molecular level and no residue remains. The mixing is referred to as miscibility , whereas the ability to dissolve one compound into another is known as solubility . However, in addition to mixing, both substances in the solution interact with each other. When something

wikipedia.org | 2011/9/25 21:52:06

Entropy of mixing print that page

temperature and pressure 1.1 Gibbs free energy of mixing 2 Solutions and temperature dependence of miscibility 2.1 Ideal and regular solutions 2.2 Systems with a lower critical solution temperature 3 Statistical thermodynamical explanation of the entropy of mixing of ideal

wikipedia.org | 2011/8/6 14:49:57

Acetic acid print that page

Acetic_acid

Ethylic acid [ citation needed ] Hydrogen acetate [ citation needed ] Methanecarboxylic acid [ citation needed ] Identifiers Abbreviations AcO, AcOH CAS number 64-19-7   Y PubChem 176 ChemSpider 171   Y UNII Q40Q9N063P   Y EC number 200-580-7 UN number

Properties of water print that page

Spider_web_Luc_Viatour

0  °C , 32  °F (273.15  K ) [ 2 ] Boiling point 99.98 °C, 211.97 °F (373.13 K) [ 2 ] Acidity (p K a ) 15.74 ~35–36 Basicity (p K b ) 15.74 Refractive index ( n D ) 1.3330 Viscosity 0.001  Pa s at 20 °C Structure Crystal structure Hexagonal

Lower critical solution temperature print that page

The word lower indicates that the LCST is a lower bound to a temperature interval of partial miscibility , or miscibility for certain compositions only. The phase behavior of polymer solutions is an important property involved in the development and design of most polymer-related processes

wikipedia.org | 2011/4/29 17:23:16