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Definition
| energy of an object in motion |
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| all matter consists of tiny particles that are in constant motion |
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| collisions of atoms and molecules in the air with objects |
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| device used to measure atmospheric pressure |
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Definition
| conversion of liquid to a gas or vapor |
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| vaporization that is at the surface of a liquid that is not boiling |
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Definition
| measure of the force exerted by gas above a liquid |
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Definition
| temperature at which the vapor pressure of the liquid is just equal to the external pressure on the liquid |
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Definition
| the temperature at which a solid changes into a liquid |
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Definition
| solid to gas without passing through the liquid phase |
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Definition
| measure of how much the volume of matter decreases under pressure |
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Definition
| the contribution each gas in a mixture makes to the total pressure |
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Definition
| tendency of molecules to move toward areas of lower concentration until the concentration is uniform |
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Definition
| a gas escapes through a tiny hole in its container |
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Definition
| mixture in which particles settle out upon standing |
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Definition
| the scattering of visible light by colloidal and suspension particles |
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Definition
| chaotic movement of colloidal particles |
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Definition
| colloidal dispersion of a liquid in a liquid (mayonaise, oil and vinegar) |
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Definition
| contains max amount of solute for given quantity of solvent at a constant temp and pressure |
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Term
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Definition
| solute above theoretical max at given temp and presure |
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Term
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Definition
| amount of solute in a given amount of solvent |
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Term
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Definition
| Moles of solute/liters of solution |
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Term
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Definition
| difference in temperature between the boiling point of a solution and the boiling point of a pure solvent |
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| moles of solute/kg of solvent |
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Term
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Definition
| ratio of the moles of that solute to the total number of moles of solvent (Xa=Na/Na+Nb or other way for b) |
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Term
| freezing point depression |
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Definition
| the difference in temp between the freezing point of a solution ad the freezing point of the pure solvent |
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Term
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Definition
| amount of heat needed to increase the temperature of an object exactly 1 C |
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Term
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Definition
| amount of heat it takes to raise temp of 1g of the substance 1 C |
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Term
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Definition
| quantity of heat needed to raise the temperature of 1g of pure water 1 C |
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Term
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Definition
| a joule raises the heat of 1g of water .2390 C |
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Definition
| change of heat at a constant pressure |
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Term
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Definition
| enthalpy change for the chemical equation exactly as it is written |
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Definition
| heat of reaction for the complete burning of one mole of a substance |
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Definition
| the heat absorbed by one mole of a solid substance as it melts to a liquid at a constant temperature |
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Term
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Definition
| enthalpy change caused by dissolution of one mole of a substance |
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Term
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Definition
| change in enthalpy that accompanies the formation of one mole of a compound from its elements with all substances at their standard states at 25 C |
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Term
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Definition
| substance that is oxidized, it causes the other to gain electrons |
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Definition
| substance that is reduced, it causes the other to lose electrons |
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Term
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Definition
| positive or negative number assigned to an atom to indicate its degree of oxidation or reduction |
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Definition
| equation showing just the reduction or oxidation that takes place |
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Definition
| water that contains dissolved substances |
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Definition
| the process by which the positive and negative ions of an ionic solid become surrounded by solvent molecules |
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Definition
| compound that conducts electric current when in an aqueous solution or in molten state |
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