CHM-1020 Study Guide - Midterm Guide: Marsh Test, Syphilis, Gunshot Residue
3 Mar 2016
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Document Summary
1248-first time using forensic techniques to solve a murder. 1839-toxicological evidence was used for the first time in a criminal trial. Arsenic-one of the first chemicals to be investigated. Current uses include acute promoelocytic leukemia and tumors. Chemistry-the study of the composition, properties, and behavior of matter. Liquids-defined volume, but assume the shape of the container it is placed in. Only in evidence when the substance undergoes change. Whether a chemical will react or not defines its behavior. Intensive-depends on the amount of substance present (ie mass, volume, length) Extensive-does not depend on the amount of substance present (i. e. color, melting or freezing point, density) Hypothesis-needs to be logical, must use precise language and should be testable. Stepsask a question do background research construct hypothesis test with experiment analyze results report results. Physical-data that can be measured or quantified (objective) Notes taken about the events preceding, occurred during, and after the crime.
