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Topic: Sublimation chemistry

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	Reference.com/Encyclopedia/Sublimation (chemistry)
		Sublimation of an element or compound is a transition from the solid to gas phase so rapidly that the liquid phase cannot be observed.
		In alchemy, sublimation typically refers to the process by which a substance is heated to a vapor, then immediately collects as sediment on the upper portion and neck of the heating medium (typically a retort or alembic).
		Sublimation is also used to create freeze-dried substances, for example tea, soup or drugs in a process called lyophilization, which consists in freezing a solution or suspension and heating it very slowly under medium to high vacuum - specifically, a pressure lower than the vapor pressure of the solvent at its melting point.
	www.reference.com /browse/wiki/Sublimation_%28chemistry%29 (0 words)

	Chemistry - UnitedIndia.com
		The areas of application of the principle of chemistry were: the smelting of metals, the distillation of perfumes and fragrant ointments, the making of dyes and pigments, the extraction of sugar, etc.
		Incidentally, the empirical nature of chemistry is also reflected in the word we use for substances i.e.
		Perhaps, this reflects the fact that in chemistry, knowledge was acquired step by step through experimentation and the actual process of day-to-day activities.
	www.unitedindia.com /chemistry.htm (0 words)

	Sublimation (physics) Summary
		Sublimation of an element or substance is a conversion between the solid and the gas phases with no intermediate liquid stage.
		Sublimation is a phase transition that occurs at temperatures and pressures below the triple point (see phase diagram).
		In alchemy, sublimation typically refers to the process by which a substance is heated to a vapor, then immediately collects as sediment on the upper portion and neck of the heating medium (typically a retort or alembic).
	www.bookrags.com /Sublimation_(physics) (1332 words)

	Welcome to TransferIt.net - 1.800.998.6847
		Sublimation describes the process of a solid substance changing directly into a gas or vapor, without first passing through the intermediary liquid state.
		Sublimated images are extremely washable, scratch resistant and dishwasher safe because the image is protected within the surface.Printing with sublimation ink is not new; sublimation transfers have played an important role in the printing world for decades.
		The definition of sublimation in chemistry is a change directly from the solid to the gaseous state without becoming liquid.
	www.transferit.net /pages/technologies/sublimation.html (356 words)

	General Catalog - Chemistry Courses
		This series presents the foundation principles of chemistry, including stoichiometry, ideal and real gases, acid-base and solubility equilibria, oxidation-reduction reactions, thermochemistry, entropy, nuclear chemistry and radioactivity, the atoms and elements, the periodic table, quantum theory, chemical bonding, molecular structure, chemical kinetics, and descriptive chemistry.
		In lieu of traditional problem sets and laboratories common in chemistry courses, students will prepare critiques of science as it is presented in the media, participate in solving a mock crime, and stage debates about the risks and benefits of chemistry.
		The course will be divided (spring semester) into a section for chemistry majors and one for chemical biology majors, both meeting at the same time, covering topics of interest to each group relating to states of matter, solutions and solvation, (bio)chemical kinetics, molecular dynamics, physical characterization, and transport of molecules.
	sis.berkeley.edu /catalog/gcc_list_crse_req?p_dept_name=Chemistry&p_dept_cd=CHEM (4462 words)

	Sublimation (chemistry)
		Sublimation is a phase transition that occurs at temperatures and pressures below the triple point (see phase diagram).
		Sublimation is a technique used by chemists to purify compounds.
		The resulting solid is usually much easier to dissolve or resuspend than one that is produced from a liquid system, and the low temperatures involved cause less damage to sensitive or reactive substances.
	www.libraryoflibrary.com /E_n_c_p_d_Sublimation_%28physics%29.html (775 words)

	Chemistry : Chapter 9 : Interpreting Phase Diagrams (Site not responding. Last check: )
		The line between the solid and gas state represents sublimation (solid to gas) or deposition (gas to solid).
		The sublimation line is the line between solid and gas.
		In this example the line is at temperatures of less than 200 K. So the primary requirement is that the temperature be less than 200 K. In addition, for a substance to sublime, it must turn from a solid to a gas, so the pressure must be appropriate for a gas.
	www.wwnorton.com /chemistry/concepts/chapter9/ch9_4.htm (509 words)

	Arab Civilization - Chemistry (Site not responding. Last check: )
		Chemistry, or alchemy, from the Arabic a!kimiya, was first studied among Arabs in the seventh century, A.D., by Khalid ibn Yazid ibn Muawiyya who was familiar with the writings of the ancient Greeks on that subject.
		Regarding practical applications of chemistry, Jabir described pr~cesses for the preparation of steel and the refinement of other metals, for dying cloth and leather, for making varnishes to waterproof cloth and to protect iron, and for the preparation of hair dyes.
		Razi is a figure of exceptional importance in the history of chemistry since in his works we find for the first time a systematic classification of carefully observed arid verified facts regarding chemical substances, reactions and apparatuses described in a language almost entirely free from mysticism and ambiguity.
	www.freearabvoice.org /acChemistry.html (664 words)

	Chemistry - MSN Encarta
		The atomic weight of an element, which is given on the periodic table, is the average mass of atoms of an element (since most elements consist of different isotopes, the differing weights of these isotopes are taken into account).
		The energy of vibration of the molecules of a material increases with a rise in temperature.
		The material melts if the molecular attraction remains great enough to hold the molecules together, and the material sublimes to a gas (in which the molecules are free to move randomly) if the attraction is too small.
	encarta.msn.com /encyclopedia_762504460_5/Chemistry.html (625 words)

	Search: Sublimation Process in Chemistry
		In alchemy, sublimation typically refers to the process by which a substance is heated to a vapor, then immediately collects as sediment on the upper...
		Sublimation is the process of vaporizing a solid substance and condensing the vapors to again...
		sublimation (chemistry) Sublimation of an element or substance is a...
	www.webmarket.com /webmkt.webmkt/search/web/Sublimation%2BProcess%2Bin%2BChemistry/-/-/1/-/-/-/1/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/302349/right (157 words)

	dating Sublimation_ chemistry - dating-report.com (Site not responding. Last check: )
		The chemistry taught at the high school or early college level is often called "general chemistry" and is intended to be an introduction to a wide variety of fundamental concepts and to give the student the tools to continue on to more advanced subjects.
		The science of chemistry is historically a recent development but has its roots in alchemy which has been practiced for millennia throughout the world.
		In quantum mechanics (several applications in computational chemistry and quantum chemistry), the Hamiltonian, or the physical state, of a particle can be expressed as the sum of two operators, one corresponding to kinetic energy and the other to potential energy.
	www.dating-report.com /Sublimation_%28chemistry%29 (1706 words)

	Chemistry
		815) regarded as the father of chemistry, said: all matters can be traced to a simple, basic particle composed of a lightning-like charge and fire, which serves as the smallest indivisible unit of matter.
		Jabir also advanced a theory on the geologic formation of metals and dealt with many useful practical applications of chemistry such as refinement of metals, preparation of steel and dyeing of cloth and leather, varnishing of waterproof cloth and use of manganese dioxide to color glass.
		Chemistry as a science is unquestionably the invention of the Muslims.
	www.islamic-study.org /chemistry.htm (1332 words)

	Wabash College: Chemistry Crawfordsville, Indiana
		A survey course designed for non-science concentrators which considers the historical and philosophical developments in chemistry, as well as the application of chemical principles to physical phenomena and social issues.
		Chemistry 222; 231 or concurrent registration in 231, or with permission of the instructor.
		Examples of recent topics include: the chemistry of cancer, determing structures of biomolecules, the RNA world, and the mechanisms of enzyme action.
	www.wabash.edu /academics/chemistry/courses (1016 words)

	sublimation, in chemistry. The Columbia Encyclopedia, Sixth Edition. 2001-05
		The term is also used to describe the reverse process of the gas changing directly to the solid again upon cooling.
		An example of sublimation is seen when iodine, on being heated, changes from a dark solid to a purplish vapor that condenses directly to a crystalline solid upon striking a cool surface.
		Sublimation also occurs when air saturated with water vapor is suddenly cooled below the freezing point of water.
	www.bartleby.com /65/su/sublim1.html (191 words)

	ScreenWeb \| Custom Decorating With Digital-Transfer Technolgy
		Sublimation dyes are converted from solid to gas during the heat-transfer process and are absorbed into polyester and some acrylic materials, where they form durable, virtually permanent images.
		The sublimation dyes are not activated during printing, but are carried in a water-based medium that binds them to the transfer paper.
		The only difference between sublimation and conventional images that are transferred along with paper coatings is that sublimation inks are absorbed into the coatings during the heat-transfer process, rather than just encapsulated by the coating and garment surface.
	www.screenweb.com /index.php/channel/5/id/1137 (2623 words)

	Wikipedia: Sublimation (chemistry)
		Sublimation of an element or substance is a conversion between the solid and the gaseous states with no liquid intermediate stage.
		Carbon dioxide is a common example of a compound that sublimates at normal pressures (see dry ice).
		Snow and water ice also sublimate, though more slowly, at below-freezing temperatures.
	www.factbook.org /wikipedia/en/s/su/sublimation__chemistry_.html (86 words)

	SUBLIMATION
		There are very few substances which vaporize without melting, but in all cases of sublimation, the change from the vapor to the solid state, is direct, and without any formation of liquid.
		The sublimed body is recovered unchanged chemically, but its physical properties are often more or less altered.
		Sublimation is influenced by the pressure within the vessel, and
	www.lenntech.com /Chemistry/sublimation.htm (137 words)

	Sublimation and Wall Tiles, Mosaics and Mural Tiles in full, vivid colors for decorative indoor uses. What is ...
		SUBLIMATION - as related to chemistry, is defined as "To cause (a solid or gas) to change state without becoming liquid".
		The sublimation dye, which at this time is a gas, will then be able to penetrate the surface of the polyester.
		Sublimation inks transfer well to light colored, synthetic surfaces such as polyester and acrylic coatings and, of course, our specially coated ceramic wall tiles and coffee mugs.
	www.fullcolortiles.com /admin/Sublimation.html (0 words)

	sublimation, in chemistry — Infoplease.com
		Solid carbon dioxide, commonly known as dry ice, sublimes at -78.5°C (-109.3°F).
		Frost and snowflakes are thus formed by water changing directly from the gaseous to the solid state.
		Physical Chemistry of a Phosphite Processing Stabilizer in Polypropylene.
	www.infoplease.com /ce6/sci/A0847062.html (216 words)

	Preparation of Crystals by Sublimation
		To prepare crystals of iodine, sulphur and ammonium chloride by sublimation.
		The three substances are therefore said to sublime.
		Sublimation therefore provides another method of purifying substances or separating mixtures of substances.
	www.sciencefair-projects.org /chemistry-projects/preparation-of-crystals-by-sublimation.html (256 words)

	Oregon State University
		Chemistry: Grignard reaction between iodomethane and methyl isopropyl ketone to form the alcohol, subsequent elimination using p-toluenesulfonic acid to form a mixture of 2,3-dimethyl-1- and -2-butene; acid catalyzed isomerization at five different temperatures.
		Chemistry: One half of the class: Conversion of 3 -chlorobutyronitrile to cyclopropane carboxylic acid and subsequent formation of the acid chloride.
		Chemistry: Either Polyvinylalcohol is prepared by methanolysis of polyvinylacetate and recrystallized from PVOH from acetone, or polymethmethacrylate is made free radical polymerization.
	www.chemistry.oregonstate.edu /courses/ch361-464/Integrated_Lab_Curriculum.htm (1431 words)

	Chemistry Department Courses
		A two semester sequence focused on the chemistry of covalent compounds of carbon, the “molecules of life.” Many important concepts from general chemistry (stoichiometry, bonding, structure, kinetics, and thermodynamics) are used and expanded upon.
		The chemistry of the Main Group elements and the transition metals are studied with emphasis on the properties, structures, and reactivities of these elements and their derivative compounds.
		The chemistry of biological processes is discussed, emphasizing the structure and function of genes and proteins and biochemical pathways by which cells use energy.
	www.nadn.navy.mil /AcDean/courses/sc&sb.html (786 words)

	Bambooweb: Sublimation (chemistry)
		Sublimation of an element or substance is a conversion between the solid and the gaseous phases of matter, with no intermediate liquid stage.
		Carbon dioxide is a common example of a chemical compound that sublimates at normal pressures (see dry ice).
		Dye-sublimation is also often used to print full-color images onto a variety of substrates, including paper.
	www.bambooweb.com /articles/s/u/Sublimation_(chemistry).html (98 words)

	For the chemical process see sublimation chemistry sublimation chemistry For...
		- "Sublime" is an early 1990s 1990s rock rock band from Long Beach, California Long Beach, California, who played a mix of hip hop hip hop, surf rock surf rock, garage rock garage rock, and "skunk" (a mix of ska ska and punk punk).
		Sublime consisted of three members Brad Nowell Brad Nowell (vocals vocals and guitar guitar), Bud Gaugh Bud Gaugh (drummer drummer) and Eric Wilson Eric Wilson (Bass guitar Bass guitar).
		The first study of the value of the sublime is the treatise ascribed to Longinus (literature) Longinus (literature): "On the Sublime".
	www.biodatabase.de /Sublime (385 words)

	Sublimation (Chemie) - Sublimation (chemistry) (Site not responding. Last check: )
		Sublimation eines Elements oder der Substanz ist eine Umwandlung zwischen dem Körper und den gasförmigen Phasen der Angelegenheit, ohne flüssiges Zwischenstadium.
		Sublimation ist ein Phase übergang, der mit Temperaturen und Druck unterhalb des dreifachen Punktes auftritt (Zustandsdiagramm sehen).
		Sublimation wird auch verwendet, um gefriertrockneten Kaffee, Tee, Drogen herzustellen… in einer benannten Prozeßlyophilisation, die besteht, wenn es sehr langsam eine Lösung oder eine Aufhebung (oder eine Mischung von beiden) einfriert und den gefrorenen Block in einer leeren Atmosphäre (Vakuum) heizt.
	ende.explicatus.org /wiki/Sublimation_(chemistry) (583 words)

	Search: Sublimation: Chemistry
		An example of sublimation is seen when iodine, on being heated, changes from a...
		Sublimation in Chemistry: Free Encyclopedia Articles at Questia...
		Research Sublimation in Chemistry and other related topics by using the free encyclopedia at the Questia.com online library.
	www.haggle.com /webmkt.haggle/search/web/Sublimation%253A%2BChemistry/-/-/1/-/-/-/1/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/302349/right (0 words)

	Synthesis of Classical Organometallic Complexes
		The cyclopentadienyl ligand (Cp) is one of the most common ligands in transition metal complex chemistry, after the carbonyl group.
		Ferrocene is a diamagnetic orange solid that can be readily purified by sublimation at 100°C, is stable in air, and is insoluble in water.
		The solid is spread out on a large watch glass and sublimed from a large glass petri dish that is placed on a warm hot plate (100°C).
	chemistry.binghamton.edu /chem445/fc/fc.htm (1934 words)

	Sublimation (chemistry) (Site not responding. Last check: )
		Carbon dioxide is a common example of a chemical compound that sublimates at atmospheric pressures (see dry ice).
		This allows wet cloth to be hung outdoors in freezing weather and retrieved later in a dry state, and is also the process used in freeze drying.
		Naphthalene, which is a common ingredient in mothballs, also sublimes slowly.
	www.guideofpills.com /Sublimation_%28chemistry%29.html (462 words)

	Sublimation (chemistry)
		sublimation, in chemistry sublimation (sŭblĭmā`shən), change of a solid substance directly...
		In chemistry, sublimation is a process which is known to use massive amounts of BTU energy in effecting a transormation of a solid material directly into...
		Sublimation (sublima'shun) noun: (chemistry) a change directly from the solid to the gaseous state without becoming liquid.
	www.logicjungle.com /wiki/Sublimation_%28chemistry%29 (278 words)

	sublimation info and resource.
		Sublimation inks, transfer papers, heat presses, training videos, 100's of blanks and more.
		Sublimation is a phase transition that occurs at temperatures and...
		It has its roots in the psychoanalytical approach, and is often also referred to as a type of defense mechanism.
	www.l-o-o-m.org /find/Sublimation.aspx (87 words)

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