01:119:115 Lecture Notes - Lecture 2: Emergence, Covalent Bond, Heat Capacity
24 Oct 2016
School
Department
Course
Professor
Document Summary
Lecture 2 - scientific process & chemistry: methods of investigating biology. Inquiry - search for natural causes to natural phenomena. Science - derived from a latin verb meaning to know . Hypothesis - testable explanations for observations based on available data. Theory - broad explanation with significant support. Law - statement of what always occurs under certain circumstances. Widely supported hypothesis (cell theory) all living things are made of cells. Law of thermodynamics (physics law: the scientific process. Evaluate repeat & verify ask a new question. 25 of 92 elements are essential to life. 4 make up of 96% of living matter (chon) Carbon (used to store energy ex. fats) The rest are trace elements: properties of atoms depend on structure. Each atom is composed of 3 subatomic particles. Atomic number = # of protons in atom (defines the element) Atomic mass = # of protons + # of neutrons.
