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Definition
The arrangement of electrons of an atom or molecule |
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the arrangement of electrons of an atom or molecule |
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Electromagnetic radiation |
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Definition
a form of energy that has wave characteristics and that propagates through a vacuum at speed of light |
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Definition
the distance betwenn identical points on successive waves. |
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the number of times per second that one complete wavelength passes a given point |
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the smallest increment of radiant energy that may be absorbed or emitted; the magnitude of radiant energy is hv |
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the smallest increment of radiant energy; a photon of light with frequency v has an energy equal to hv |
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Definition
the distribution among various wavelengths of the radiant energy emitted or absorbed by an object |
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Definition
A spectrum that contains radiation distributed over all wavelengths |
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Definition
A spectrum that contains radiation at only certain specific wavelengths. |
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Definition
"the lowest energy, or most stable, state" |
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Definition
a higher energy state than the ground state |
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Definition
the term used to describe the wave characteristics |
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Definition
a strong attractive force that exists between two atoms |
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Definition
a bond between oppositely charged ions. |
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Definition
a bond formed between two or more atoms by a sharing of electrons |
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Definition
the chemical symbol for an element with a dot for each valence electron |
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Definition
a rule stating that bonded atoms tend to possess or share a total of eight valece shell electrons |
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Definition
the energy required to separate ompletely the ions in an ionic solid |
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Definition
"The heat evolved in a given process can be expressed as the sum of the heats of several processes that, when added, yild the process of interest" |
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Definition
"a series of atoms, ions, or molecules having the same number of electrons" |
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Definition
a covalent bond involving one electron pair |
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Definition
a covalent bond involving two electron pair |
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Definition
a covalent bond involving three electron pairs |
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Definition
bonding involving two or more electron pairs |
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Term
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Definition
a covalent bond in which the electrons are shared equally |
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Term
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Definition
a covalent bond in which the electrons are not shared equally |
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Definition
a measure of the ability of an atom that is bonded to another atom to attract electrons to itself |
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Definition
a molecule that possesses a nonzero dipole moment |
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Definition
a molecule with one end having a slight begative harge and the other end having a slight positive charege; a polar molecule |
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Definition
"two lewis structures are equally good descriptions of a single molecule, they are averaged to give correct description of the real moleule" |
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Definition
the enthalpy charge required to break a particular bond when the substance is in the gas phase |
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Definition
a substance formed by the loss of a proton from a bronsted lowry acid |
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Definition
a substance formed by the addition of a proton from a bronsted lowry acid |
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Definition
an acid and a base that difer only in the presence or absence of a proton |
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Definition
"a compound that has the general formula R3N, where r may be h or a hydrocarbon group" |
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Definition
a substance capable of ionizing more than one proton in water. |
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Term
base dissociation constant |
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Definition
"an equilibrium constant that expresses the extent to which a base reacts with solvent water, accepting a proton and forming OH-" |
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Definition
the predominant form of the proton in aqueous solution |
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Definition
capable of behaving as either an acid or a base |
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Term
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Definition
gaseous state of any substance that normally exists as a liquid or solid |
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Definition
"a measure of the force exerted on a unit area. Often expressed in units of atmospheres, atm, or torr:760torr is 1 atm. Si is expressed in pascals, pa" |
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Definition
The SI unit of pressure 1 pa = n/m(squared) |
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Definition
A unit of pressure 1torr=1mm Hg |
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Definition
"a hypothetical gas whose pressure, volume, and temperature behavior is completely described by the ideal gas equation" |
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Definition
® the constant of proportionality in the ideal gas equation. |
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Definition
Defined as 0 celcius and 1 atm pressure; frequently used as reference conditions for a gas |
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Definition
the pressure exerted by a particular gas in a mixture |
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Definition
"a set of assumptions about the nature of gases. These assumptions, when translated into mathmatical form, yield the ideal gas equation." |
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Definition
the clustering of solvent molecules around a solut particle |
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Definition
solvation when the solvent is water |
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Term
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Definition
the process in which a dissolved solute comes out of solution and forms a crystalline solid |
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Definition
a solution in which undissolved solute and dissoved solute are in equilibrium |
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Term
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Definition
the amount of a substance that dissolves in a given quantity of solvent at a given temperature to form a saturated solution |
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Definition
solutions containing less solute than a saturated solution |
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Definition
solutions containg more solute than a saturated solutions |
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Definition
liquids that mix in all proportions |
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Definition
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Definition
a law stating that the concentration of a gas in a solution is proportional to the pressure of gas over the solution |
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Definition
the number of grams of solute in each 100g of solution |
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Definition
the concentration of a solution in grams of solute per million grams os solution; equals milligrams of solute per liter of solutoin for aqueous solutions |
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Definition
the concentration of a solution in grams of solute per billion grams os solution; equals milligrams of solute per liter of solutoin for aqueous solutions |
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Definition
the concentration of a solution expressed as moles of solute per kilogram of solvent; m |
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Definition
a law stating that the partial pressure of a solvent over a solution is given by the vapor pressure of the pure solvent times the mole praction of a solvent in the solution |
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Definition
a solution that obeys raoults law |
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Term
molal boiling-point-elevation constant |
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Definition
a constant characteristic of a particular solvent that gives the change in boiling point as a function of solution molality |
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molal freezing-point-point-depression constant |
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Definition
a constant characteristic of a particular solvent that gives the change in freezing point as a function of solution molality |
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Term
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Definition
the net movement of solvent through a semipermeable membrane toward the solution with greater solute concentration |
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Definition
the pressure ethat must be applied to a solution to stop osmosis from pure solvent into the solution |
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Term
colloidal dispersions/colloids |
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Definition
mixtures containing particles larger than normal solutes but small enough to remanin suspended in the dispersing medium |
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Definition
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Definition
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Definition
the scattering of a beam of visible light by the particles in a colloidal dispersion |
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Definition
those properties of a solvent that depend on the total conentration of solute particles present |
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