Term
| The unusual properties that make water critical to life. |
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Definition
Cohesion
Large heat capacity
Low density as a solid
Good solvent |
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| tendency for water molecules to stick together |
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| surface of water can support a small amount of weight due to cohesion of molecules |
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| A type of bond that makes water cohesive |
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Definition
When we heat water, the added energy doesn't immediately increase the movement of the individual water molecules. Rather, it disrupts some of the hydrogen bonds between the molecules. As quickly as they can be disrupted, though, they form again somewhere else.
And since the water molecules themselves don’t increase their movement, the temperature doesn't increase. |
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Definition
| When water freezes, hydrogen bonds stabilize and push water molecules farther apart |
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Term
| Why is ice lighter than liquid water? |
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Definition
| Ice has fewer water molecules than the same volume of liquid water |
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| liquid with a uniform mixture of 2 or more substances |
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| substance that is dissolved |
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