Properties Of Water Flashcards
What is a good solvent because it is ______
Polar
If water is polar, what does that mean?
When ionic or other polar compounds are added to water they break apart or dissociate
Water is cohesive. What does this mean?
Water molecules form hydrogen bonds with other water molecules (water sticks to water)
What is High Heat capacity?
The amount of heat you have to add to 1 gram of water to raise the temperature 1 degrees Celsius
Because of waters high heat capacity…
Water heats slowly and cools slowly
Why does water heat slowly?
It takes time to break the bonds
Why does water cool slowly?
It takes time to reform the bonds
Why is ice less dense than liquid water?
In liquid water the molecules are more spread out
Water is adhesive. What does this mean?
Adhesion is when water forms hydrogen bonds to other polar molecules. Your clothes get wet in rain because your clothes are polar and water sticks to polar
What is capillary action?
The movement of water upward against gravity through tiny pores
What is an example of adhesion and capillary action
Moves blood out when you get a finger prick
What percent of our body does water make up?
66%
