CHM 114- Final Exam Guide - Comprehensive Notes for the exam ( 27 pages long!)
Document Summary
Chemistry: the study of matter and the changes matter undergoes. *definition of physical and chemical properties is similar to definition of physical and chemical changes. *chemical change is also referred to as a chemical reaction. Pure substance: matter that has a fixed composition and distinct properties. Element: 1) substance made up of atoms with the same atomic number. 2) substance that cannot be separated into simpler substances through chemical means. *not important for lecture, useful of lab only. Units of measure: properties of matter are usually quantitative, metric system and si units. *check atoms, ions, and si units tab under additional chapter notes on blackboard for reference: temperature, celsius (oc) vs kelvin (k, conversion: k = oc + 273. 15, conversion for celsius to fahrenheit and vice versa. Of = (9/5) oc + 32: absolute zero: lowest attainable temperature ( 0 k or -273. 25 oc) Density (see ppt for definition: density and weight are not the same thing.
