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Definition
| the two ends of the molecules have opposite charges |
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Definition
| the binding together of molecules |
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Definition
| the clinging of one substance to another |
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| a measure of how difficult it is to stretch/break the surface of a liquid |
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Definition
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Definition
total amount of KE due to the random motion of atoms or molecules in a body of matter; also called thermal energy
-depends in part on the matter's volume |
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Definition
| measure of heat intensity that represents avg KE of a molecule |
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Term
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Definition
water freezes @ O °C
human body temp @ 37 °C
water boils @ 100 °C
room temp @ 20-25 °C |
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Term
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Definition
| amount of heat it takes to raise the temp of 1 g of water by 1°C |
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Definition
1 J=0.239 cal
1 cal= 4.184 J |
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Term
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Definition
| amount of heat that must be absorbed or lost for 1 g of that substance to change its temp by 1°C |
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Definition
| quantity of heat a liquid must absorb for 1 g of it to be converted to the gaseous state |
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Definition
| the property of a liquid whereby the surface becomes cooler during evaporation, owing to a loss of the molecules w/the greatest KE to the gaseous state |
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Definition
| a liquid that is a completely homogeneous mixture of 2 or more substances |
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Definition
| dissolving agent of solution |
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Definition
| substance that is dissolved |
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Definition
one in which water is the solvent
-water= THE SOLVENT OF LIFE |
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Definition
| sphere of water molecules around each dissolved ion |
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Definition
| any substance that has an affinity for water |
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Definition
| a stable suspension of fine particles in a liquid |
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Definition
| substances that repel water |
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Definition
| sum of masses of all the atoms in a molecule |
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Definition
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Definition
| # of moles of solute L of solution |
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Definition
| a substance that increases the hydrogen ion concentration of a solution |
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Term
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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
[H+][OH-] = 1 x 10-14
pH = -log[H+] |
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Term
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Definition
| substances that minimize changes in the concentrations of H+ and OH- in a solution |
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