BIOL 101 Lecture Notes - Lecture 3: Sodium Hydroxide, Molecular Mass, Molar Concentration
Document Summary
Direction of water movement, pulled to where it is needed. Adhesion, water molecules interacting with the xylem of the tree. Water can absorb/release large amount of heat with small changes in temperature. Can be quantified using heat or temperature. Heat: measure of total quantity of kinetic energy. Calorie: amount of heat needed to raise temperature 1 gram of water by. Kilocalorie: amount of heat needed to raise temperature 1000 grams of water by 1c joule: 0. 293 calories = 1 joule. Water"s ability to stabilize temperature is due to heat. Specific heat:amount of heat needed to raise temperature of 1 g of substance by. Water has hydrogen bonds, requires a large amount of energy to break those bonds to cause a temperature change. Heat of vaporization: how much heat is needed to vaporize a gram. Water expands when it freezes, becomes less dense.
