Guide: Chemistry 2045. Exam 1 Ch. 1-6 Chapter 1: Keys to the study of Chemistry 1.1 Fundamental definitions · Chemistry: The study of matter and its properties, the changes that matter undergoes, and the energy associated with those changes. · Matter: Anything that has mass and volume, inertia, and energy(the ability to do work) · Properties: the characteristics that give each substance its unique identity. They can be 1.Physical (characteristic shown by themselves, without changing or interacting with another substance) A …showed first 75 words of 2729 total…

…showed last 75 words of 2729 total…DRIVING FORCE FOR MANY AQUEOUS IONIC REACTIONS · A reaction occurs because certain ions attract each other so strongly that they are removed from solution in formation of the product. · If you mix two (or more) soluble solutions, they do not neccesarily react. In order to see whether they do or not you have to examine the ion combinations to see if any of the possible products are insoluble, that is do not dissociate into ions