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Water Properties
| Term | Definition |
|---|---|
| polar | a molecule with unequal distribution of charges (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 | Two of the same substance sticking together. (ex. Water molecules sticking to each other.) |
| adhesion | Two different substances sticking to each other. (Ex. Water molecules sticking to other surfaces.) |
| surface tension | The "skin-like" appearance of water at the surface, due to cohesion and hydrogen bonds. |
| 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. |
| solvent | A liquid substance capable of dissolving other substances (does the dissolving) |
| solute | the substance that is dissolved (you put in) |
| nonpolar | molecules without any charge |
| capillary action | the rise of a liquid when in contact with a solid (due to cohesion and adhesion) |
| Polar solutes dissolve in _____ solvents | polar |
| nonpolar solutes dissolve in ______solvents | nonpolar |
| Which takes up more space, ice or water? | ice |
| Which is more dense, ice or water? | water |
| pH | measure of how acidic / basic something is |
| pH higher than 7 | base |
| pH less than 7 | acid |
| pH equal to 7 | neutral |
Created by:
SSchantz123
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