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chapter 3 (water)

water's 4 unique characterisitcs

QuestionAnswer
What is water's boiling point and the important cold point that isn't yet freezing? (in Celsius) Boiling: 100 degrees Celsius/ Super cold: 4 degrees Celsius
What happens to water between 100 degrees Celsius and 4 degrees Celsius? It starts to get colder therefore the water molecules move slower and get packed closer together.
What starts to happen at 4 degrees Celsius? H-bonds from and force water molecules apart and hold them in place. aka makes ice.
What would happen if ice didn't float? After a certain amount of years we would end up with another ice age because ice would keep building up and soon we wouldn't have any non-frozen water and die.
Ice floating shows water's unique characteristic of what? expanding upon freezing
Water has a high ______ _____ which means it can stay hot for long periods of time after the air around it has cooled and vise versa. specific heat
What is something water's high specific heat does for you. surface tension
If a water H-bonds to your arm that is a example of what? adhesion
A long "chain" of water molecules that stretches all the way from the tips of the roots of a plant to the tip of the leaves is a example of what? cohesion
What would happen if ice didn't float? ionic bonds
Sugar is composed of _____ ________ ____ and can also be dissolved in water. polar covalent bonds
Some non-polar substances that can't dissolve in water are? water
What is a example of what water's high specific heat does for us? Keeps your internal temperature relatively constant.
Water's high specific heat helps it to what? moderate temperature
The long "chain" of water molecules that stretches all the way from the tips of the roots of a plant to the tips of the leaves is a example of what? cohesion
Created by: af101
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