BIOL 102 Lecture Notes - Lecture 3: Boiling Point, Vaporization, Amphiphile
29 Aug 2016
School
Department
Course
Professor
Document Summary
Protons and neutrons (in nucleus) and e- orbital max 2e- Orbital: high probability of finding e- (can"t predict exact location: s orbitals spherical, p orbitals dumbell. Energy shells may vary in energy level. Each element has a different atomic # 4 elements in living organisms: oxygen, carbon, hyrdogen, nitrogen. Heat of vaporization: amount of heat needed to vaporize 1mol of a substance at it"s boiling point (bp) Heat of fusion: amount of energy release when liquid becomes solid: liquid solid. Why does ice float in water: solid = crystalline structure, more open and can occupy more space (compared to liquid, ice = less dense than water. Specific heat: amount of heat/mass to raise temperature by 1 degree celsius. Amphipathic: molecules that have polar/ionized parts and nonpolar regions. Micelles: when amphipathic molecules mixed with water, form these spheres: polar: hydrophilic at surface at micelle (head) near surface of water, non-polar: hydrophobic towards outside of micelle (tail)
