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Topic: Mole (unit)

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	National Mole Day Foundation, INC.
		For a given molecule, one mole is a mass (in grams) whose number is equal to the atomic mass of the molecule.
		I pledge allegiance to the mole, and to the science from which it comes, one SI unit, extremely divisible, with micromoles and millimoles for all.
		I pledge allegiance to the mole, to the International Union of Pure and Applied Chemistry, and to the atomic mass for which it stands, one number, most divisible, with atoms and molecules for all.
	www.moleday.org (395 words)

	Mole (unit) (Site not responding. Last check: 2007-11-07)
		The mole (symbol: mol) is one of the seven SI base units and is commonly used in chemistry.
		Because of the relationship of the atomic mass unit to Avogadro's number, a practical way of stating this for atoms or molecules is: That amount of the substance containing exactly the same number of grams as the number of the atomic weight of the substance.
		The mass in grams of one mole of a substance is by definition its atomic or molecular mass.
	www.pillscatalog.net /Mole_%28unit%29.html (1242 words)

	Bambooweb: Mole (unit)
		The mole (symbol: mol) is one of the seven SI base units and is commonly used in chemistry.
		A mole of any gas at a pressure of 100,000 Pa and a temperature of 300 K is 25 litres, see example.
		The definition of a mole was originally chosen so that 14 grams (or 0.014 kg) of nitrogen constitute one mole; however, the definitions of the mole and the atomic mass unit are currently set so that one mole of carbon-12, which has a relative atomic mass of 12 u, is exactly 0.012 kg.
	www.bambooweb.com /articles/M/o/Mole_(unit).html (674 words)

	Mole (unit)
		A mole (symbol: mol) is one of the seven SI base units.
		Moles are very useful in chemical calculations, as they enable the calculation of yields and other values when dealing with particles of different mass.
		The mass of one mole of a substance is defined as being equal to its atomic or molecular mass.
	www.ebroadcast.com.au /lookup/encyclopedia/mo/Mole_unit.html (611 words)

	Mole (unit) - Wikipedia, the free encyclopedia
		The mole (symbol: mol) is the SI term identifying the number of particles in a given amount of matter.
		A mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 12 grams of carbon 12, where the carbon 12 atoms are unbound, at rest and in their ground state.
		When the mole is used to specify the amount of a substance, the kind of elementary entities (particles) in the substance must be identified.
	en.wikipedia.org /wiki/Mole_(unit) (1196 words)

	The MSDS HyperGlossary: Mole
		The mole is simply a convenient unit for dealing with large numbers just like it is easier to talk about the weight of a ship in tons rather than ounces.
		is the mass in grams of 1 mole of the substance.
		Moles are used to calculate molarity, a unit of concentration most often used for liquid solutions.
	www.ilpi.com /msds/ref/mole.html (575 words)

	Base unit definitions: Mole
		Following the discovery of the fundamental laws of chemistry, units called, for example, "gram-atom" and "gram-molecule," were used to specify amounts of chemical elements or compounds.
		It remained to define the unit of amount of substance by fixing the corresponding mass of carbon 12; by international agreement, this mass has been fixed at 0.012 kg, and the unit of the quantity "amount of substance" was given the name mole (symbol mol).
		When the mole is used, the elementary entities must be specified and may be atoms, molecules, ions, electrons, other particles, or specified groups of such particles.
	physics.nist.gov /cuu/Units/mole.html (359 words)

	Mole (unit) Summary
		The mole (symbol: mol) is the SI term identifying the number of particles in a given amount of matter.
		A mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 12 grams of carbon 12, where the carbon 12 atoms are unbound, at rest and in their ground state.
		When the mole is used to specify the amount of a substance, the kind of elementary entities (particles) in the substance must be identified.
	www.bookrags.com /Mole_(unit) (1625 words)

	AG380 (Site not responding. Last check: 2007-11-07)
		A common unit of measurement of a substance in chemistry is the mole and the equivalent.
		The weight of that unit known as a mole would be equivalent to the atomic or molecular weight of the atom or molecule in grams.
		Units of concentration derived from moles and equivalents are molarity and normality.
	www.agpowermicro.org /ag380/labs/1.htm (2398 words)

	Project Links \| Mass Transport
		Mole fraction, the most rigorous thermodynamic concentration unit, expresses the number of moles of the substance of interest per total system moles.
		Moles per volume expresses the number of moles of substance i present in a volume of phase j.
		Moles per mass expresses the moles of substance i per mass of phase j.
	links.math.rpi.edu /devmodules/masstransport/html/concunit_theory.html (1557 words)

	Units: N
		The unit is designed to equal 1/60 degree [2], although actual degrees of latitude vary from about 59.7 to 60.3 nautical miles.
		The neper is accepted for use with SI units, and it may become an SI unit in the future.
		An observer uses the unit to described the noise levels he or she experiences as multiples of a standard level.
	www.unc.edu /~rowlett/units/dictN.html (2733 words)

	The Net Equation: Your Online Source for Chemistry Solutions (Site not responding. Last check: 2007-11-07)
		The unit of mass for atoms and molecules is the atomic mass unit, or a.m.u.
		This unit, molarity (or molar, when used as an adjective), is based on concentration in moles of substance per liter of total volume.
		For instance, the molality of 5 moles of KOH dissolved in 2 kilograms of water is 5 moles / 2 kilograms = 2.5 molals.
	library.thinkquest.org /C004970/background/moles.htm (1400 words)

	mole (Site not responding. Last check: 2007-11-07)
		When the mole is used, the user must specify what elementary entity is meant, which may be “atoms, molecules, ions, electrons, other [subatomic] particles, or specified groups of such particles.” The mole was defined by the CIPM in 1967 and adopted in 1971 by the 14th CGPM (Resolution 3).
		Originally, the mole was a unit used by chemists to count the uncountable, and was also known as gram molecular weight or gram molecule.
		One mole of any element or compound was the atomic weight, molecular weight or formula weight, depending on the substance, of the substance in atomic mass units, expressed in grams.
	www.sizes.com /units/mole.htm (370 words)

	Fluorine-containing copolymer and curable composition containing the same - United States Patent 5,169,915
		According to the present invention, when the structural unit (1) is the unit (1a) derived from tetrafluoroethylene, the structural unit (6) derived from a monomer having a carboxyl group may be incorporated in addition to the units (1) to (5).
		The resultant curable fluorine-containing copolymer was a copolymer of 44% by mole of TFE, 34% by mole of IB, 15% by mole of VPi, 9% by mole of HBVE and 1% by mole of VA determined from the results of.sup.19 F-NMR,.sup.1 H-NMR and elementary analysis.
		A fluorine-containing copolymer of 53% by mole of CTFE, 20% by mole of HBVE, 12% by mole of EVE and 15% by mole of CHVE was prepared in the same manner as in Reference Example 1.
	xrint.com /patents/us/5169915 (5861 words)

	Mole - Wikipedia
		in science, particularly chemistry, the mole is the SI unit for amount of substance.
		There are also similar-looking but herbivorous rodents called mole rats[?] that enjoy a similar life-style and are commonly called "moles".
		in medicine, a mole is a small spot of darkened pigment on the skin, which forms where there is a high concentation of melanin.
	wikipedia.findthelinks.com /mo/Mole.html (236 words)

	Explanation of different mole units (Site not responding. Last check: 2007-11-07)
		This is correctly defined as a gram mole, though SI units officially designate this as a mole.
		Another way to look at the mole unit is as a unit used to convert the number of moles to mass, using the molecular weight.
		I think that the confusion begins because, you, as chemists, think of a mole as 6.023 E23 particles and also that the molecular weight is the mass of 6.023 E23 particles of a substance (in grams).
	web.utk.edu /~dad/mole.html (366 words)

	UNIT 5 - MATHEMATICS OF CHEMISTRY (Site not responding. Last check: 2007-11-07)
		The mole may be used in calculations involving the number of particles (atoms, molecules, ions, electrons, or other particles) involved in chemical reactions, the mass of elements or compounds, or the volume relationships in gases.
		Since, in the balanced equation, the mole unit serves to relate the quantities of products and reactants, it is possible to determine quantitative results in desired units, which may not necessarily be the same as the original units.
		Since one mole of any gas occupies the same volume as one mole of any other gas, at the same temperature and pressure, the volumes of gases involved in a reaction are proportional to the number of moles indicated by numerical coefficients in a balanced equation.
	dwb.unl.edu /Chemistry/LearningObjectives/NY05.html (934 words)

	Mole (Site not responding. Last check: 2007-11-07)
		Mole is defined by 1971 General Conference of Weights and Measures.
		The amount of mass of a system, also known as mole, is the quantity which contains as many elementary entities (atoms, ions or molecules) as there are atoms in 0.012 kg of carbon-12.
		The unit for mole in SI system is mol.
	www.taftan.com /thermodynamics/MOLES.HTM (53 words)

	Molar Mass Calculations and Javascript Calculator (EnvironmentalChemistry.com)
		The mole also called mol is the basic unit of measurement in chemistry.
		By definition, in modern chemistry, one mole represents the number of carbon atoms in exactly 12 grams of carbon 12 isotope.
		Molar massis a unit that enables scientists to calculate the weight of any chemical substance, be it an element or a compound.
	ibchem.com /root_htm/calc/mrr_calculator.htm (518 words)

	Mole
		Mole (unit): the SI unit for the number of molecules or atoms of a substance.
		Mole (skin marking): a small spot of darkened pigment on the skin.
		Mole (architecture): a massive structure, usually of stone, used as pier, breakwater or junction between places separated by water.
	www.askfactmaster.com /Mole (163 words)

	Facts about atomic mass unit (Site not responding. Last check: 2007-11-07)
		The atomic mass unit, also called the dalton after the chemist John Dalton, is a small unit of mass used to express atomic masses and molecular masses.
		The unit is convenient because one hydrogen atom weighs approximately 1 amu, and more generally an atom or molecule that contains n protons and neutrons will have a mass approximately equal to n amu.
		Another reason the unit is used is that it is much easier to compare masses of atoms and molecules (determine relative masses) than to measure their absolute masses.
	www.supercrawler.com /Facts/atomic_mass_unit.html (263 words)

	Mole - Wikinfo
		In engineering, a mole machine is a vehicle designed to travel underground by boring a tunnel.
		In politics, a mole is a spy working under deep-cover, named after the burrowing animal: see mole (espionage).
		In science, particularly chemistry, the mole is the SI unit for the number of molecules or atoms of a substance.
	www.wikinfo.org /wiki.php?title=Mole (970 words)

	SMPTE Compact High Output Generator
		By utilizing two smaller units electrically connected for 3-wire distribution, a saving of 30% in cable is effected over the 2-wire system of the larger plant.
		The engine and generator coupled together as an integral mechanical unit is supported on a welded steel box section main base frame by four rubber mountings to minimize transmission of vibrations to the base and enclosing structure.
		Two units are electrically equivalent to one Mole-1400 Power Plant, yet their combined weight is 3,260 lb, or 28%, lighter.
	www.mole.com /aboutus/history/smpte/1953-12p731.html (2122 words)

	Wright Center for Science Education at Tufts University -The Chemical Mole (Site not responding. Last check: 2007-11-07)
		To be technical, the chemical mole is defined as the number of atoms in 12 grams of the most common form of carbon - carbon 12.
		A mole of donuts is hard to get but just breathe for two or three minutes and you will move a mole of air molecules in and out of your lungs.
		The mole is valuable to chemists because atoms of different elements bond in whole number ratios to form compounds.
	www.tufts.edu /as/wright_center/fellows/george/georgepage3.html (1272 words)

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