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Definition
| rain, snow, or fog that is more acidic than pH 5.2 |
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Definition
| a substance that increases the hydrogen ion concentration of a solution |
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Definition
| a solution in which water is the solvent |
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Definition
| a substance that reduces the hydrogen ion concentration of a solution |
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Term
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Definition
| a substance that consists of acid and base forms in a solution and that minimizes changes in pH when extraneous acids or bases are added to the solution |
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Definition
| the amount of heat energy required to raise the temperature of 1 gram of water by 1 degree celsius; also the amount of heat energy that 1 gram of water releases when it cools by 1 degree celsius |
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Definition
| a temperature scale that measures the freezing point of water at 0 degrees and the boiling point of water at 100 degrees |
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Definition
| the binding together of like molecules, often by hydrogen bonds |
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Definition
| a mixture made up of a liquid and particles that remain suspended rather than dissolved in that liquid, because of their large size |
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Definition
| the process in which the surface of an object becomes cooler during evaporation, owing to a change of the molecules with the greatest kinetic energy from the liquid to the gaseous state |
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Definition
| the total amount of kinetic energy due to the random motion of atoms or molecules in a body of matter; also called thermal energy. this is the most random form of energy |
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Definition
| the quantity of heat a liquid must absorb for 1 gram of it to be converted from the liquid to the gaseous state |
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Definition
| the sphere of water molecules around a dissolved ion |
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Definition
| a single proton with a charge of 1+ from the dissociation of a water molecule H+ |
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Definition
| a water molecule that has an extra proton bound to it H3O- |
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Term
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Definition
| having an affinity for water |
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Definition
| having an aversion to water; tending to coalesce and form droplets in water |
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Definition
| a water molecule that has lost a proton |
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Definition
| the amount of heat energy rquired to raise the temperature of 1 kilogram of water by one degree celsius; a thousand calories |
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Definition
| the energy associated with the relative motion of objects. moving matter can perform work by imparting motion to other matter. |
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Definition
| the number of grams of a substance that equals its molecular weight in daltons and contains Avogadro's number of molecules. |
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Definition
| the sum of the masses of all the atoms in a molecule; sometimes called molecular weight |
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Definition
| a measure of hydrogen ion concentration equal to -log[H+] and ranging from 0 to 14 |
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Definition
| a molecule with opposite charges on different ends of the molecule (such as water) |
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Definition
| a substance that is dissolved in a solution |
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Definition
| a liquid that is a homogeneous mixture of two or more substances |
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Definition
| the dissolving agent of a solution |
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Definition
| the amount of heat the must be absorbed or lost for 1 gram of a substance to change its temperature by 1 degree celsius |
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Definition
| a measure of how difficult it is to stretch or break the surface of a liquid. |
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Term
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Definition
| a measure of the intensity of heat in degrees, reflecting the average kinetic energy of the molecules. |
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