[CHM 120] - Final Exam Guide - Everything you need to know! (26 pages long)
Document Summary
Quantification allows you to specify the difference precisely: attend class regularly, review the topics you learned in class the same day the topics are covered in classs, learn the vocab, ask instructor for help. Key characteristics of the scientific method: make observation. Antoine lavoisier , a french chemisit , made an oberservation about the physical world. Make observations: some obervations can be made witht the naked eye. Other observations rely on the use of sensitive instrumentation some happen by chance: ex) discovered penicillin by acciedent, formulate hypotheses. Hypotheses are tested by experiments: preform experiments. Experiments- highly controlled obersvations desisded to validate or invalidate hypothsis. In a chemival reaction, matter is neither created nor destroyed. Theories- provide a broader and deeper explantion for observations and laws. Jogn dalton, an engish chemist, formulated the atomic theory. Dalton explained the law of conservation of mass by proposing that all matter is composed of tiny, infestructanle particles called.
