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Water Properties
| Term | Definition |
|---|---|
| polar | a molecule with a slight positive end and a slight negative end |
| hydrogen bond | Attraction between the slightly positive end of one water molecule and a slightly negative end of a different water molecule |
| cohesion | Water molecules sticking to each other. |
| adhesion | Water molecules sticking to other surfaces. |
| surface tension | A measure of how difficult it is to stretch or break the surface of a liquid |
| Heat capacity (high specific heat) | takes a lot of energy (heat) to change the temperature of water |
| solution | A mixture that forms when one substance dissolves another. |
| universal solvent | water can dissolve many substances. |
| high specific heat (heat capacity) of water helps what? | Regulating body temperature |
| solvent | A liquid substance capable of dissolving other substances (does the dissolving) |
| solute | the substance that is dissolved (you put in) |
| nonpolar | molecules with no separated positive and negative areas |
| capillary action | ability of water to rise in a thin tube |
| Polar solutes dissolve in _____ solvents | polar |
| nonpolar solutes dissolve in ______solvents | nonpolar |
| density | mass/volume (how compact an object is) |
| Which takes up more space, ice or water? | ice |
| Which is more dense, ice or water? | water |
| pH | measure of hydrogen in a liquid |
| pH higher than 7 | base |
| pH less than 7 | acid |
| pH equal to 7 | neutral |
| more hydrogen ions in solution | acid (low pH) |
| less hydrogen ions in solution | base (high pH) |
Created by:
zahnsg
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