Uneven sharing of e - in covalent O-H bonds Polarity Hydrogen bonds form between H 2 O molecules -- ++ ++ e-e-e-e- e-e-e-e-
Water molecules stick together via h-bondsCohesionSurfaceTension High Specific Heat Low Ice Density High Heat of Vaporization
Water molecules stick to other polar substances via h-bondsAdhesion Solubility
Water Summary 1. Water molecules have uneven sharing of electrons in their bonds, so they are referred to as _____ molecules. 2. When ______ bonds form between them, water molecules may stick together. This phenomenon is called ______. 3. For each of the following water-related concepts, explain the significance to living things. Specific Heat, Heat of Vaporization, Capillarity, Density of Phases, Solubility
Macromolecular Preview 1. What are the four main types of organic molecules? 2. What are monomers? How can they form polymers? How can polymers form monomers?
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