Unit 4: Physical Properties and Changes
... the substance such as size, shape, luster, conductivity, malleability, and magnetic attraction Property – the characteristics or qualities of a substance; physical and chemical State of Matter – a phase is another name for a physical state of matter such as solid, liquid, or ...
... the substance such as size, shape, luster, conductivity, malleability, and magnetic attraction Property – the characteristics or qualities of a substance; physical and chemical State of Matter – a phase is another name for a physical state of matter such as solid, liquid, or ...
Thermochimica Acta Thermodynamics of hydrogen bonding and van
... substances (water, amides, alcohols, etc.) [6–8], as well as able to dissolve non-polar compounds (aliphatic and aromatic hydrocarbons) [9]. This fact makes them useful in separation processes, for example, they showed good efficiency for separation of sulfur and nitrogen containing compounds from fu ...
... substances (water, amides, alcohols, etc.) [6–8], as well as able to dissolve non-polar compounds (aliphatic and aromatic hydrocarbons) [9]. This fact makes them useful in separation processes, for example, they showed good efficiency for separation of sulfur and nitrogen containing compounds from fu ...
Solutions, Acids, and Bases
... temperature is said to be saturated. Unsaturated = contains less solute than it can possibly hold Supersaturated = a solution that holds more solute than it should at a given temperature. ...
... temperature is said to be saturated. Unsaturated = contains less solute than it can possibly hold Supersaturated = a solution that holds more solute than it should at a given temperature. ...
File
... • Chemical changes show that bonds between atoms in the original substance have been broken and new bonds have been formed to create new substances. ...
... • Chemical changes show that bonds between atoms in the original substance have been broken and new bonds have been formed to create new substances. ...
Separation and Purification Methods
... Conceptually, the technique of chromatography is very simple—there are only two components: a stationary phase (usually silica or cellulose) and a mobile phase (usually a solvent system). Any two compounds usually have different partitioning characteristics between the stationary and mobile phases. ...
... Conceptually, the technique of chromatography is very simple—there are only two components: a stationary phase (usually silica or cellulose) and a mobile phase (usually a solvent system). Any two compounds usually have different partitioning characteristics between the stationary and mobile phases. ...
MATTER QUIZ: What to Study From: PHASE CHANGES
... What is an alloy? _________________________________________________________________ What is a precipitate? _____________________________________________________________ ...
... What is an alloy? _________________________________________________________________ What is a precipitate? _____________________________________________________________ ...
milli-extraction column for liquid-liquid phase separation
... LIQUID-LIQUID PHASE SEPARATION CHEMICAL PROCESS ENGINEERING Best Practice Example created by ...
... LIQUID-LIQUID PHASE SEPARATION CHEMICAL PROCESS ENGINEERING Best Practice Example created by ...
Liquid–liquid extraction
Liquid–liquid extraction (LLE) consists in transferring one (or more) solute(s) contained in a feed solution to another immiscible liquid (solvent). The solvent that is enriched in solute(s) is called extract. The feed solution that is depleted in solute(s) is called raffinate.Liquid–liquid extraction also known as solvent extraction and partitioning, is a method to separate compounds based on their relative solubilities in two different immiscible liquids, usually water and an organic solvent. It is an extraction of a substance from one liquid into another liquid phase. Liquid–liquid extraction is a basic technique in chemical laboratories, where it is performed using a variety of apparatus, from separatory funnels to countercurrent distribution equipment. This type of process is commonly performed after a chemical reaction as part of the work-up.The term partitioning is commonly used to refer to the underlying chemical and physical processes involved in liquid–liquid extraction, but on another reading may be fully synonymous with it. The term solvent extraction can also refer to the separation of a substance from a mixture by preferentially dissolving that substance in a suitable solvent. In that case, a soluble compound is separated from an insoluble compound or a complex matrix.Solvent extraction is used in nuclear reprocessing, ore processing, the production of fine organic compounds, the processing of perfumes, the production of vegetable oils and biodiesel, and other industries.Liquid–liquid extraction is possible in non-aqueous systems: In a system consisting of a molten metal in contact with molten salts, metals can be extracted from one phase to the other. This is related to a mercury electrode where a metal can be reduced, the metal will often then dissolve in the mercury to form an amalgam that modifies its electrochemistry greatly. For example, it is possible for sodium cations to be reduced at a mercury cathode to form sodium amalgam, while at an inert electrode (such as platinum) the sodium cations are not reduced. Instead, water is reduced to hydrogen. A detergent or fine solid can be used to stabilize an emulsion, or third phase.