CHAPTER 2 Water and Aqueous Solutions –Types of non-covalent interactions between molecules –Properties of water – THE medium for life –Hydrophobic --
2.1 What Does Life Require? Water. Water on Earth Can exist in all 3 physical states Liquid Solid Gas Not all animals must drink liquid water.
CHAPTER 2 Water and Aqueous Solutions –What kind of interactions occur between molecules –Why water is a good medium for life –Why nonpolar moieties aggregate.
Welcome to BI 212, Summer 2010. Lecture 1 Outline (Ch. 3, 4, 5) I.Chemical Bonds and Shape II.Water Molecules III.Chemical Reactions IV. Organic Chemistry.
Chemical Reactions Reactants and Products. Write down Exothermic and Endothermic definitions.
water pollution
Movement into and out of cells particles such as atoms, ions and molecules are always moving in and out of the cells cells needs to take in nutrients.
