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Molar mass

Index Molar mass

In chemistry, the molar mass M is a physical property defined as the mass of a given substance (chemical element or chemical compound) divided by the amount of substance. [1]

203 relations: Absolute molar mass, Acene, Acid–base homeostasis, Actinide, Affibody molecule, AFPep, Air barrier, Alkalinity, Amount of substance, Anti-Müllerian hormone, Antibody mimetic, Atherton–Todd reaction, Atmosphere of Mars, Atomic mass, Avogadro constant, Avogadro's law, Boiling-point elevation, Boronic acid, Bromochlorobenzene, C10H7NO3, C12H13N, C5H9N, C6H12O6, Campden tablet, Carbon monoxide, Carbon tax, Carbonate, Carbonate hardness, Carminite, Cell membrane, Chlorine fluoride, Chlorine-releasing compounds, Chloroalkyl ether, Chlorotoluene, Clausius–Clapeyron relation, Colligative properties, Compounds of carbon, Compressibility factor, Coordination polymerization, Cresol, Cryoscopic constant, Defining equation (physical chemistry), Dendronized polymer, Density, Density of air, DGH, Dibromophenol, Dinitroaniline, Dinitrobenzene, Discovery and development of gastrointestinal lipase inhibitors, ..., Djurleite, Dulong–Petit law, Dynamic covalent chemistry, EA-3990, EA-4056, Eötvös rule, Ebullioscopic constant, Effusion, Elementary charge, Equation of state, Equivalent weight, Ether, FlAsH-EDT2, Flue-gas stack, Fluid dynamics, Freezing-point depression, FW, Gas collecting tube, Gas composition, Gas constant, Gaseous diffusion, Glass batch calculation, Glossary of chemistry terms, Glossary of civil engineering, Glossary of engineering, Glossary of physics, Glossary of structural engineering, Glutenin, Graham's law, Gram-mole, Gymnemic acid, Hafnium diboride, Harmon Northrop Morse, Heat capacity, Hertz–Knudsen equation, Hexafluoride, Higher alkanes, History of the periodic table, Hydrogen peroxide, Hypoglycemia, Ideal gas, Ideal gas law, Immunoglobulin Y, Index of chemistry articles, Indolizine, Intrinsic viscosity, Iodophenol, Isobaric process, Isopropylbenzylamine, IUPAC polymer nomenclature, K-25, Kinetic theory of gases, Knudsen number, Koschevnikov gland, Lagovirus, Lauric acid, Leucines, Lighter than air, List of unusual units of measurement, Living cationic polymerization, Living polymerization, LOINC, Lydersen method, M (disambiguation), Magnesiohastingsite, Magnetic susceptibility, Magnetochemistry, Mass attenuation coefficient, Mass concentration (chemistry), Mass fraction (chemistry), Measuring instrument, Metal carbonyl, Metal peroxide, Molality, Molar, Molar attenuation coefficient, Molar concentration, Molar mass constant, Molar mass distribution, Molar volume, Mole (unit), Mole fraction, Mole map (chemistry), Molecular mass, Monobromophenol, Monochlorophenol, Monoisotopic mass, Morphine, Mottramite, N-Acetylglucosamine, Naphazoline, Noxiustoxin, Number density, Organic chemistry, Organoarsenic chemistry, Osmotic coefficient, Ostwald–Freundlich equation, Palytoxin, Parachor, Penicillin, Percent active chlorine, Phosphate, Physical constant, Picoline, Pimelite, Polyaniline, Polybenzimidazole fiber, Polymer Char, Polymer fractionation, Polypropylene glycol, Polystannane, Potassium dicyanoaurate, Properties of water, Proposed redefinition of SI base units, Reference ranges for blood tests, Refractive index, Relative density, Root mean square, Salt, Salvinorin, Saturated and unsaturated compounds, Serpierite, Sodium oxybate, Standard atomic weight, Stoichiometry, Strontianite, Sulfate, Sulfur hexafluoride, Tetraiodobenzenes, Thermoacoustics, Thermodynamic temperature, Thermomechanical analysis, Thomas Graham (chemist), Toxaphene, Triazofos, Troposphere, Unified atomic mass unit, Vanadinite, Vapour pressure of water, Vesivirus, Virtual temperature, Viscosity models for mixtures, Volumetric heat capacity, Water vapor, Wetting, Wigner–Seitz radius, Wobbe index, Xylene, 1,3-Butadiene (data page), 2-Octyne, 24-n-propylcholestane, 4-Octyne, 5-Decyne. Expand index (153 more) »

Absolute molar mass

Absolute molar mass is a process used to determine the characteristics of molecules.

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Acene

The acenes or polyacenes are a class of organic compounds and polycyclic aromatic hydrocarbons made up of linearly fused benzene rings.

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Acid–base homeostasis

Acid–base homeostasis is the homeostatic regulation of the pH of the body's extracellular fluid (ECF).

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Actinide

The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium.

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Affibody molecule

Affibody molecules are small, robust proteins engineered to bind to a large number of target proteins or peptides with high affinity, imitating monoclonal antibodies, and are therefore a member of the family of antibody mimetics.

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AFPep

AFPep (Alpha Fetoprotein Peptide) is an orally active cyclic peptide with molecular weight of 969 Daltons and is derived from the anti-oncogenic active site (residues 472-479) of alpha fetoprotein (AFP).

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Air barrier

Air barriers control air leakage into and out of the building envelope.

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Alkalinity

Alkalinity is the capacity of water to resist changes in pH that would make the water more acidic.

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Amount of substance

Amount of substance (symbol for the quantity is 'n') is a standard-defined quantity that measures the size of an ensemble of elementary entities, such as atoms, molecules, electrons, and other particles.

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Anti-Müllerian hormone

Anti-Müllerian hormone (AMH), also known as Müllerian-inhibiting hormone (MIH), is a glycoprotein hormone structurally related to inhibin and activin from the transforming growth factor beta superfamily, whose key roles are in growth differentiation and folliculogenesis.

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Antibody mimetic

Antibody mimetics are organic compounds that, like antibodies, can specifically bind antigens, but that are not structurally related to antibodies.

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Atherton–Todd reaction

The Atherton-Todd reaction is a name reaction in organic chemistry, which goes back to the British chemists F. R. Atherton, H. T. Openshaw and A. R. Todd.

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Atmosphere of Mars

The atmosphere of the planet Mars is composed mostly of carbon dioxide.

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Atomic mass

The atomic mass (ma) is the mass of an atom.

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Avogadro constant

In chemistry and physics, the Avogadro constant (named after scientist Amedeo Avogadro) is the number of constituent particles, usually atoms or molecules, that are contained in the amount of substance given by one mole.

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Avogadro's law

Avogadro's law (sometimes referred to as Avogadro's hypothesis or Avogadro's principle) is an experimental gas law relating the volume of a gas to the amount of substance of gas present.

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Boiling-point elevation

Boiling-point elevation describes the phenomenon that the boiling point of a liquid (a solvent) will be higher when another compound is added, meaning that a solution has a higher boiling point than a pure solvent.

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Boronic acid

A boronic acid is a compound related to boric acid in which one of the three hydroxyl groups is replaced by an alkyl or aryl group.

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Bromochlorobenzene

Bromochlorobenzene is any of three different positional isomers consisting of a bromine atom and a chlorine atom as substituents on a benzene ring.

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C10H7NO3

The molecular formula C10H7NO3 (molar mass: 189.168 g/mol) may refer to.

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C12H13N

The molecular formula C12H13N (molar mass: 171.24 g mol−1, exact mass: 171.10480) may refer to.

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C5H9N

The molecular formula C5H9N (molar mass: 83.1317 g/mol, exact mass: 83.073499) may refer to.

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C6H12O6

The molecular formula C6H12O6 (molar mass: 180.16 g/mol) may refer to.

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Campden tablet

Campden tablets (potassium or sodium metabisulfite) are a sulfur-based product that is used primarily to sterilize wine, cider and in beer making to kill bacteria and to inhibit the growth of most wild yeast: this product is also used to eliminate both free chlorine and the more stable form, chloramine, from water solutions (e.g., drinking water from municipal sources).

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Carbon monoxide

Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.

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Carbon tax

A carbon tax is a tax levied on the carbon content of fuels.

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Carbonate

In chemistry, a carbonate is a salt of carbonic acid (H2CO3), characterized by the presence of the carbonate ion, a polyatomic ion with the formula of.

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Carbonate hardness

Carbonate hardness, is a measure of the water hardness caused by the presence of carbonate and bicarbonate anions.

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Carminite

Carminite (PbFe3+2(AsO4)2(OH)2http://pubsites.uws.edu.au/ima-cnmnc) is an anhydrous arsenate mineral containing hydroxyl.

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Cell membrane

The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space).

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Chlorine fluoride

A chlorine fluoride is an interhalogen compound containing only chlorine and fluorine.

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Chlorine-releasing compounds

Chlorine-releasing compounds, also known as chlorine base compounds, are a family of chemicals that release chlorine.

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Chloroalkyl ether

Chloroalkyl ethers are a class of organic compounds with the general structure R-O-(CH2)n-Cl, characterized as an ether connected to a chloromethyl group via an alkane chain.

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Chlorotoluene

Chlorotoluene is a group of three isomeric chemical compounds.

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Clausius–Clapeyron relation

The Clausius–Clapeyron relation, named after Rudolf Clausius and Benoît Paul Émile Clapeyron, is a way of characterizing a discontinuous phase transition between two phases of matter of a single constituent.

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Colligative properties

In chemistry, colligative properties are properties of solutions that depend on the ratio of the number of solute particles to the number of solvent molecules in a solution, and not on the nature of the chemical species present.

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Compounds of carbon

Compounds of carbon are defined as chemical substances containing carbon.

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Compressibility factor

The compressibility factor (Z), also known as the compression factor or the gas deviation factor, is a correction factor which describes the deviation of a real gas from ideal gas behavior.

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Coordination polymerization

Coordination polymerisation is a form of polymerization that is catalyzed by transition metal salts and complexes.

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Cresol

Cresols (also hydroxytoluene) are organic compounds which are methylphenols.

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Cryoscopic constant

In thermodynamics, the cryoscopic constant, Kf, relates molality to freezing point depression (which is a colligative property).

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Defining equation (physical chemistry)

In physical chemistry, there are numerous quantities associated with chemical compounds and reactions; notably in terms of amounts of substance, activity or concentration of a substance, and the rate of reaction.

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Dendronized polymer

Dendronized polymers (or dendronised polymers) are linear polymers to every repeat unit of which dendrons are attached.

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Density

The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.

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Density of air

The density of air ρ (Greek: rho) (air density) is the mass per unit volume of Earth's atmosphere.

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DGH

Degrees of general hardness (dGH or °GH) is a unit of water hardness, specifically of general hardness.

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Dibromophenol

Dibromophenols form a group of aromatic chemical compounds which are both phenols and bromobenzenes.

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Dinitroaniline

Dinitroanilines are a class of chemical compounds with the chemical formula C6H5N3O4.

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Dinitrobenzene

Dinitrobenzenes are chemical compounds composed of a benzene ring and two nitro group (-NO2) substituents.

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Discovery and development of gastrointestinal lipase inhibitors

Lipase inhibitors belong to a drug class that is used as an antiobesity agent.

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Djurleite

Djurleite is a copper sulfide mineral of secondary origin with formula Cu31S16 that crystallizes with monoclinic-prismatic symmetry.

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Dulong–Petit law

The Dulong–Petit law, a thermodynamic law proposed in 1819 by French physicists Pierre Louis Dulong and Alexis Thérèse Petit, states the classical expression for the molar specific of certain chemical elements.

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Dynamic covalent chemistry

Dynamic covalent chemistry (DCvC) is a synthetic strategy employed by chemists to make complex supramolecular assemblies from discrete molecular building blocks.

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EA-3990

EA-3990 is a deadly carbamate nerve agent.

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EA-4056

EA-4056 is a deadly carbamate nerve agent.

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Eötvös rule

The Eötvös rule, named after the Hungarian physicist Loránd (Roland) Eötvös (1848–1919) enables the prediction of the surface tension of an arbitrary liquid pure substance at all temperatures.

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Ebullioscopic constant

In thermodynamics, the ebullioscopic constant, K_\mathrm b, relates molality b to boiling point elevation.

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Effusion

In physics and chemistry, effusion is the process in which a gas escapes through a hole of diameter considerably smaller than the mean free path of the molecules.

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Elementary charge

The elementary charge, usually denoted as or sometimes, is the electric charge carried by a single proton, or equivalently, the magnitude of the electric charge carried by a single electron, which has charge.

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Equation of state

In physics and thermodynamics, an equation of state is a thermodynamic equation relating state variables which describe the state of matter under a given set of physical conditions, such as pressure, volume, temperature (PVT), or internal energy.

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Equivalent weight

Equivalent weight (also known as gram equivalent) is a term which has been used in several contexts in chemistry.

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Ether

Ethers are a class of organic compounds that contain an ether group—an oxygen atom connected to two alkyl or aryl groups.

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FlAsH-EDT2

FlAsH-EDT2 is an organoarsenic compound with molecular formula C24H18As2O5S4.

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Flue-gas stack

A flue-gas stack is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air.

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Fluid dynamics

In physics and engineering, fluid dynamics is a subdiscipline of fluid mechanics that describes the flow of fluids - liquids and gases.

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Freezing-point depression

Freezing-point depression is the decrease of the freezing point of a solvent on addition of a non-volatile solute.

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FW

FW may stand for.

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Gas collecting tube

The characterization gas collecting tube describes an oblong gas-tight container with one valve at either end.

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Gas composition

The Gas composition of any gas can be characterised by listing the pure substances it contains, and stating for each substance its proportion of the gas mixture's molecule count.

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Gas constant

The gas constant is also known as the molar, universal, or ideal gas constant, denoted by the symbol or and is equivalent to the Boltzmann constant, but expressed in units of energy per temperature increment per mole, i.e. the pressure-volume product, rather than energy per temperature increment per particle.

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Gaseous diffusion

Gaseous diffusion is a technology used to produce enriched uranium by forcing gaseous uranium hexafluoride (UF6) through semipermeable membranes.

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Glass batch calculation

Glass batch calculation or glass batching is used to determine the correct mix of raw materials (batch) for a glass melt.

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Glossary of chemistry terms

Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.

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Glossary of civil engineering

Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.

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Glossary of engineering

Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.

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Glossary of physics

Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.

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Glossary of structural engineering

Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.

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Glutenin

Glutenin (a type of glutelin) is the major protein within wheat flour, making up 47% of the total protein content.

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Graham's law

Graham's law of effusion (also called Graham's law of diffusion) was formulated by Scottish physical chemist Thomas Graham in 1848.

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Gram-mole

Gram-mole (more correctly Gram-molecule) is a synonym for Mole.

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Gymnemic acid

Gymnemic acids are a class of chemical compounds isolated from the leaves of Gymnema sylvestre (Asclepiadaceae).

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Hafnium diboride

Hafnium diboride belong to the class of Ultra-high-temperature ceramics, a type of ceramic composed of hafnium and boron.

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Harmon Northrop Morse

Harmon Northrop Morse (October 15, 1848 – September 8, 1920) was an American chemist.

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Heat capacity

Heat capacity or thermal capacity is a measurable physical quantity equal to the ratio of the heat added to (or removed from) an object to the resulting temperature change.

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Hertz–Knudsen equation

In surface chemistry, the Hertz–Knudsen equation, also known as Knudsen-Langmuir equation describes evaporation rates, named after Heinrich Hertz and Martin Knudsen.

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Hexafluoride

A hexafluoride is a chemical compound with the general formula QXnF6, QXnF6m−, or QXnF6m+.

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Higher alkanes

Higher alkanes are alkanes having nine or more carbon atoms.

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History of the periodic table

The periodic table is an arrangement of the chemical elements and are organized on the basis of their atomic numbers, electron configurations and recurring chemical properties.

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Hydrogen peroxide

Hydrogen peroxide is a chemical compound with the formula.

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Hypoglycemia

Hypoglycemia, also known as low blood sugar, is when blood sugar decreases to below normal levels.

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Ideal gas

An ideal gas is a theoretical gas composed of many randomly moving point particles whose only interactions are perfectly elastic collisions.

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Ideal gas law

The ideal gas law, also called the general gas equation, is the equation of state of a hypothetical ideal gas.

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Immunoglobulin Y

Immunoglobulin Y (abbreviated as IgY) is a type of immunoglobulin which is the major antibody in bird, reptile, and lungfish blood.

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Index of chemistry articles

Chemistry (from Egyptian kēme (chem), meaning "earth") is the physical science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions.

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Indolizine

Indolizine (Chemical formula C8H7N) is a heterocyclic aromatic organic compound that is an isomer of indole.

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Intrinsic viscosity

Intrinsic viscosity \left is a measure of a solute's contribution to the viscosity \eta of a solution.

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Iodophenol

Iodophenol is a substitution product of phenol in which one of the hydrogen atoms is replaced by iodine.

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Isobaric process

An isobaric process is a thermodynamic process in which the pressure stays constant: ΔP.

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Isopropylbenzylamine

Isopropylbenzylamine is a chemical compound used as an intermediate in the pharmaceutical industry as a precursor to the manufacture of some drugs.

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IUPAC polymer nomenclature

IUPAC Polymer Nomenclature are standardized naming conventions for polymers set by the International Union of Pure and Applied Chemistry (IUPAC) and described in their publication "Compendium of Polymer Terminology and Nomenclature", which is also known as the "Purple Book".

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K-25

K-25 was the codename given by the Manhattan Project to the program to produce enriched uranium for atomic bombs using the gaseous diffusion method.

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Kinetic theory of gases

The kinetic theory describes a gas as a large number of submicroscopic particles (atoms or molecules), all of which are in constant rapid motion that has randomness arising from their many collisions with each other and with the walls of the container.

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Knudsen number

The Knudsen number (Kn) is a dimensionless number defined as the ratio of the molecular mean free path length to a representative physical length scale.

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Koschevnikov gland

The Koschevnikov gland is a gland of the honeybee.

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Lagovirus

Lagovirus is a genus of viruses, in the family Caliciviridae.

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Lauric acid

Lauric acid or systematically, dodecanoic acid, is a saturated fatty acid with a 12-carbon atom chain, thus having many properties of medium chain fatty acids, is a white, powdery solid with a faint odor of bay oil or soap.

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Leucines

The leucines are primarily the four isomeric amino acids: leucine, isoleucine, ''tert''-leucine and norleucine.

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Lighter than air

Lighter than air refers to materials (usually gases) that are buoyant in air because they have average densities lower than that of air.

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List of unusual units of measurement

An unusual unit of measurement is a unit of measurement that does not form part of a coherent system of measurement; especially in that its exact quantity may not be well known or that it may be an inconvenient multiple or fraction of base units in such systems.

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Living cationic polymerization

Living cationic polymerization is a living polymerization technique involving cationic propagating species.

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Living polymerization

In polymer chemistry, living polymerization is a form of chain growth polymerization where the ability of a growing polymer chain to terminate has been removed.

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LOINC

Logical Observation Identifiers Names and Codes (LOINC) is a database and universal standard for identifying medical laboratory observations.

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Lydersen method

The Lydersen method is a group contribution method for the estimation of critical properties temperature (Tc), pressure (Pc) and volume (Vc).

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M (disambiguation)

M is the thirteenth letter of the modern Latin alphabet.

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Magnesiohastingsite

Magnesiohastingsite is a calcium-containing amphibole and a member of the hornblende group.

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Magnetic susceptibility

In electromagnetism, the magnetic susceptibility (Latin: susceptibilis, "receptive"; denoted) is one measure of the magnetic properties of a material.

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Magnetochemistry

Magnetochemistry is concerned with the magnetic properties of chemical compounds.

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Mass attenuation coefficient

The mass attenuation coefficient, mass extinction coefficient, or mass narrow beam attenuation coefficient of the volume of a material characterizes how easily it can be penetrated by a beam of light, sound, particles, or other energy or matter.

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Mass concentration (chemistry)

In chemistry, the mass concentration is defined as the mass of a constituent divided by the volume of the mixture: For a pure chemical the mass concentration equals its density (mass divided by volume); thus the mass concentration of a component in a mixture can be called the density of a component in a mixture.

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Mass fraction (chemistry)

In chemistry, the mass fraction w_i is the ratio of one substance with mass m_i to the mass of the total mixture m_\text, defined as The symbol Y_i is also used to denote mass fraction.

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Measuring instrument

A measuring instrument is a device for measuring a physical quantity.

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Metal carbonyl

Metal carbonyls are coordination complexes of transition metals with carbon monoxide ligands.

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Metal peroxide

Metal peroxides are metal-containing compound with ionic or covalently bonded peroxide (O22−) groups.

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Molality

Molality, also called molal concentration, is a measure of the concentration of a solute in a solution in terms of amount of substance in a specified amount of mass of the solvent.

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Molar

Molar may refer to.

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Molar attenuation coefficient

The molar attenuation coefficient is a measurement of how strongly a chemical species attenuates light at a given wavelength.

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Molar concentration

Molar concentration (also called molarity, amount concentration or substance concentration) is a measure of the concentration of a chemical species, in particular of a solute in a solution, in terms of amount of substance per unit volume of solution.

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Molar mass constant

The molar mass constant, symbol Mu, is a physical constant which relates relative atomic mass and molar mass.

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Molar mass distribution

In linear polymers the individual polymer chains rarely have exactly the same degree of polymerization and molar mass, and there is always a distribution around an average value.

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Molar volume

The molar volume, symbol Vm, is the volume occupied by one mole of a substance (chemical element or chemical compound) at a given temperature and pressure.

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Mole (unit)

The mole, symbol mol, is the SI unit of amount of substance.

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Mole fraction

In chemistry, the mole fraction or molar fraction (xi) is defined as the amount of a constituent (expressed in moles), ni, divided by the total amount of all constituents in a mixture (also expressed in moles), ntot: The sum of all the mole fractions is equal to 1: The same concept expressed with a denominator of 100 is the mole percent or molar percentage or molar proportion (mol%).

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Mole map (chemistry)

In chemistry, the mole map is a graphical representation of an algorithm that compares molar mass, number of particles / mole, and factors from balanced equations or other formulae.

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Molecular mass

Relative Molecular mass or molecular weight is the mass of a molecule.

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Monobromophenol

The monobromophenols are chemical compounds consisting of phenol substituted with a bromine atom.

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Monochlorophenol

The monobromophenols are chemical compounds consisting of phenol substituted with a chlorine atom.

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Monoisotopic mass

The monoisotopic mass is the sum of the masses of the atoms in a molecule using the unbound, ground-state, rest mass of the principal (most abundant) isotope for each element instead of the isotopic average mass.

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Morphine

Morphine is a pain medication of the opiate variety which is found naturally in a number of plants and animals.

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Mottramite

Mottramite is an orthorhombic anhydrous vanadate hydroxide mineral, PbCu(VO4)(OH), at the copper end of the descloizite subgroup.

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N-Acetylglucosamine

N-Acetylglucosamine (N-acetyl-D-glucosamine, or GlcNAc, or NAG) is a monosaccharide and a derivative of glucose.

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Naphazoline

Naphazoline (in the hydrochloride form) is the common name for 2-(1-naphthylmethyl)-2-imidazoline hydrochloride.

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Noxiustoxin

Noxiustoxin (NTX) is a toxin from the venom of the Mexican scorpion Centruroides noxius Hoffmann which block voltage-dependent potassium channels and calcium-activated potassium channels.

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Number density

In physics, astronomy, chemistry, biology and geography, number density (symbol: n or ρN) is an intensive quantity used to describe the degree of concentration of countable objects (particles, molecules, phonons, cells, galaxies, etc.) in physical space: three-dimensional volumetric number density, two-dimensional areal number density, or one-dimensional line number density.

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Organic chemistry

Organic chemistry is a chemistry subdiscipline involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms.

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Organoarsenic chemistry

Organoarsenic chemistry is the chemistry of compounds containing a chemical bond between arsenic and carbon.

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Osmotic coefficient

An osmotic coefficient φ is a quantity which characterises the deviation of a solvent from ideal behaviour, referenced to Raoult's law.

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Ostwald–Freundlich equation

The Ostwald–Freundlich equation governs boundaries between two phases; specifically, it relates the surface tension of the boundary to its curvature, the ambient temperature, and the vapor pressure or chemical potential in the two phases.

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Palytoxin

Palytoxin, PTX or PLTX is an intense vasoconstrictor, and is considered to be one of the most poisonous non-protein substances known, second only to maitotoxin in terms of toxicity in mice.

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Parachor

Parachor is a quantity defined according to the formula: where γ1/4 is the fourth root of surface tension, M is the molar mass, and d is the density.

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Penicillin

Penicillin (PCN or pen) is a group of antibiotics which include penicillin G (intravenous use), penicillin V (use by mouth), procaine penicillin, and benzathine penicillin (intramuscular use).

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Percent active chlorine

Percent active chlorine is a unit of concentration used for hypochlorite-based bleaches.

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Phosphate

A phosphate is chemical derivative of phosphoric acid.

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Physical constant

A physical constant, sometimes fundamental physical constant or universal constant, is a physical quantity that is generally believed to be both universal in nature and have constant value in time.

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Picoline

Picoline refers to three different methylpyridine isomers, all with the chemical formula C6H7N and a molar mass of 93.13 g mol−1.

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Pimelite

Pimelite was discredited as a mineral species by the International Mineralogical Association (IMA) in 2006, in an article which suggests that “pimelite” specimens are probably willemseite (which is approved), or kerolite (which is also discredited).

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Polyaniline

Polyaniline (PANI) is a conducting polymer of the semi-flexible rod polymer family.

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Polybenzimidazole fiber

Polybenzimidazole (PBI, short for poly) fiber is a synthetic fiber with a very high melting point.

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Polymer Char

Polymer Char is a company which designs and manufactures instrumentation for polymer analysis.

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Polymer fractionation

Polymers are chainlike molecules that are made of the same repetition unit.

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Polypropylene glycol

Polypropylene glycol or polypropylene oxide is the polymer of propylene glycol.

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Polystannane

Polystannanes are organotin compounds with the formula (R2Sn)n.

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Potassium dicyanoaurate

Potassium dicyanoaurate, also potassium dicyanoaurate(I), potassium gold cyanide, potassium gold dicyanide or gold potassium cyanide, is an inorganic compound with formula K. It is a colorless to white crystalline powder, usually prepared by dissolving metallic gold in aqueous solution of potassium cyanide.

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Properties of water

Water is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue. It is by far the most studied chemical compound and is described as the "universal solvent" and the "solvent of life". It is the most abundant substance on Earth and the only common substance to exist as a solid, liquid, and gas on Earth's surface. It is also the third most abundant molecule in the universe. Water molecules form hydrogen bonds with each other and are strongly polar. This polarity allows it to separate ions in salts and strongly bond to other polar substances such as alcohols and acids, thus dissolving them. Its hydrogen bonding causes its many unique properties, such as having a solid form less dense than its liquid form, a relatively high boiling point of 100 °C for its molar mass, and a high heat capacity. Water is amphoteric, meaning that it is both an acid and a base—it produces + and - ions by self-ionization.

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Proposed redefinition of SI base units

The International Committee for Weights and Measures (CIPM) has proposed revised definitions of the SI base units, for consideration at the 26th General Conference on Weights and Measures (CGPM).

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Reference ranges for blood tests

Reference ranges for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples.

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Refractive index

In optics, the refractive index or index of refraction of a material is a dimensionless number that describes how light propagates through that medium.

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Relative density

Relative density, or specific gravity, is the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material.

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Root mean square

In statistics and its applications, the root mean square (abbreviated RMS or rms) is defined as the square root of the mean square (the arithmetic mean of the squares of a set of numbers).

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Salt

Salt, table salt or common salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in its natural form as a crystalline mineral is known as rock salt or halite.

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Salvinorin

Salvinorins are a group of natural chemical compounds and their structural analogs.

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Saturated and unsaturated compounds

In organic chemistry, a saturated compound is a chemical compound that has single bonds.

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Serpierite

Serpierite (Ca(Cu,Zn)4(SO4)2(OH)6·3H2O) is a rare, sky-blue coloured hydrated sulfate mineral, often found as a post-mining product.

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Sodium oxybate

Sodium oxybate is a prescription medication used to treat two symptoms of narcolepsy: sudden muscle weakness and excessive daytime sleepiness.

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Standard atomic weight

The standard atomic weight (Ar, standard, a relative atomic mass) is the atomic weight (Ar) of a chemical element, as appearing and met in the earthly environment.

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Stoichiometry

Stoichiometry is the calculation of reactants and products in chemical reactions.

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Strontianite

Strontianite (SrCO3) is an important raw material for the extraction of strontium.

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Sulfate

The sulfate or sulphate (see spelling differences) ion is a polyatomic anion with the empirical formula.

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Sulfur hexafluoride

Sulfur hexafluoride (SF6) is an inorganic, colorless, odorless, non-flammable, extremely potent greenhouse gas, and an excellent electrical insulator.

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Tetraiodobenzenes

Tetraiodobenzenes form a group of substances consisting of a benzene ring with four iodine atoms (-I) as substituents (C6H2I4).

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Thermoacoustics

Thermoacoustics is the interaction between temperature, density and pressure variations of acoustic waves.

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Thermodynamic temperature

Thermodynamic temperature is the absolute measure of temperature and is one of the principal parameters of thermodynamics.

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Thermomechanical analysis

Thermomechanical analysis (TMA) is a technique used in thermal analysis, a branch of materials science which studies the properties of materials as they change with temperature.

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Thomas Graham (chemist)

Thomas Graham (20 December 1805 – 16 September 1869) was a British chemist who is best-remembered today for his pioneering work in dialysis and the diffusion of gases.

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Toxaphene

Toxaphene was an insecticide used primarily for cotton in the southern United States during the late 1960s and 1970s.

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Triazofos

Triazofos is a chemical compound used in acaricides, insecticides, and nematicides.

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Troposphere

The troposphere is the lowest layer of Earth's atmosphere, and is also where nearly all weather conditions take place.

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Unified atomic mass unit

The unified atomic mass unit or dalton (symbol: u, or Da) is a standard unit of mass that quantifies mass on an atomic or molecular scale (atomic mass).

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Vanadinite

Vanadinite is a mineral belonging to the apatite group of phosphates, with the chemical formula Pb5(VO4)3Cl.

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Vapour pressure of water

The vapour pressure of water is the pressure at which water vapour is in thermodynamic equilibrium with its condensed state.

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Vesivirus

Vesivirus is a genus of viruses, in the family Caliciviridae.

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Virtual temperature

In atmospheric thermodynamics, the virtual temperature (T_v) of a moist air parcel is the temperature at which a theoretical dry air parcel would have a total pressure and density equal to the moist parcel of air.

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Viscosity models for mixtures

The shear viscosity (short viscosity) of a fluid is a material property that describes the friction between internal neighboring fluid surfaces (or sheets) flowing with different fluid velocities.

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Volumetric heat capacity

Volumetric heat capacity (VHC), also termed volume-specific heat capacity, describes the ability of a given volume of a substance to store internal energy while undergoing a given temperature change, but without undergoing a phase transition.

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Water vapor

No description.

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Wetting

Wetting is the ability of a liquid to maintain contact with a solid surface, resulting from intermolecular interactions when the two are brought together.

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Wigner–Seitz radius

The Wigner–Seitz radius r_s, named after Eugene Wigner and Frederick Seitz, is the radius of a sphere whose volume is equal to the mean volume per atom in a solid (for first group metals).

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Wobbe index

The Wobbe Index (WI) or Wobbe number is an indicator of the interchangeability of fuel gases such as natural gas, liquefied petroleum gas (LPG), and town gas and is frequently defined in the specifications of gas supply and transport utilities.

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Xylene

Xylene (from Greek ξύλο, xylo, "wood"), xylol or dimethylbenzene is any one of three isomers of dimethylbenzene, or a combination thereof.

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1,3-Butadiene (data page)

Butadiene.

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2-Octyne

2-Octyne, also known as methylpentylethin and oct-2-yne, is a type of alkyne with a triple bond at its second carbon (the '2-' indicates the location of the triple bond in the chain).

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24-n-propylcholestane

24-n-Propylcholestane is a sterane biomarker molecule often found in marine source rocks.

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4-Octyne

4-Octyne, also known as dipropylethyne, is a type of alkyne with a triple bond at its fourth carbon (the '4-' indicates the location of the triple bond in the chain).

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5-Decyne

5-Decyne, also known as dibutylethyne, is a type of alkyne with a triple bond at its fifth carbon (the '5-' indicates the location of the triple bond in the chain).

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Formula Weight, Formula weight, G mol-1, Gram atom, Gram atomic mass, Gram atomic weight, Gram-atom, Gram-atomic weight, Grams per mole, Molar Mass, Molar masses, Molar weight, Relative formula mass.

References

[1] https://en.wikipedia.org/wiki/Molar_mass

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