GEOG 3 Lecture Notes - Lecture 5: Hydrogen Bond, Boiling Point
Document Summary
Lecture 5: physical & chemical properties of the ocean. High boiling point (100 c) and high freezing point ( 0 c) Maximum density at 4 c: pure water reaches its max density above its freezing point. The molecules are far apart when they are in ice form and closer together in regular water. 3% freshwater: 70% frozen in glaciers & ice caps, 29% underground (some of it is unreachable, <1% in rivers/lakes. Three main components: atm. , surface, and subsurface. There are a few di ways to express how much water is in the air. Humidity is the funeral term used to describe the amount of water vapor in the air. Rh = the ratio of the air"s actual water vapor content compared w/ the amount of water vapor required for saturation (at the particular temp. and pressure) Ranges from 0% (dry air) to 100% (saturated air) Temp. controls the amount of water vapor that the air can hold.
