Death Rate Purpose of Lab: learn how to use the Scientific Method to hypothesize about and determine the identity of unknown substances Experimental Data: Table 1: Making Observations Procedure Observation torn paper Vertical tear: almost straight, fiber is barely seen Horizontal Tear: zigzag, fiber appeared 2. Appearance of rock salt crystals Before crushing: colorless, semitransparency,.
Chemistry, Ethanol, Sorbitol, Mineral Oil, Isopropyl Alcohol, Color Pigments Essay Preview: Chemistry, Ethanol, Sorbitol, Mineral Oil, Isopropyl Alcohol, Color Pigments Report this essay Chemistry Ethanol Ethanol is a volatile, flammable, colorless liquid. It is a psychoactive drug and one of the oldest recreational drugs. Ethanol is not all that good. Pure ethanol that is in.
Performance Characteristics of Dry Edm Essay Preview: Performance Characteristics of Dry Edm Report this essay INTRODUCTION One of the aspects stimulating development of manufacturing techniques and processes is the increasing need of accuracy, quality of machining and quality of surface layer after machining. Very important, especially recently, factors are also demands on creating machining methods.
