Card Set Information
What was the volcanic eruption that cause the worst famine of the 19th century?
What percent of earth is water?
What is outgassing?
The continuous process of water coming from below the earth's crust
What is the change in global sea level called?
How much of earth's water is ocean saltwater?
Where does most of the earths freshwater come from?
Water easily dissolves other molecules because it is ___
What causes surface tension and polarity in water molecules?
ice is (more/less) dense than water
The phase change of water from a gas to a liquid and vice versa is calle
In order to change the state of H2O, heat energy must be ____ or _____
absorbed or released
The latent heat of melting or freezing requires how many calories?
80 cal/g C
How many calories does the latent heat of sublimation require?
680 cal/g C
latent heat of vaporization or condensation requires how many calories?
540 cal/g C
How many calories does it take to raise 1 g of water 1 degree C?
IN NATURE, how many calories does it take to evaporate 1 g of water?