CHAPTER 1 - Need chemistry to understand current problems...

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Unformatted text preview: Need chemistry to understand current problems in society Water and air pollution Acid rain Ozone depletion and chlorofluorocarbons Global Warming Pesticides Food Additives Waste disposal and land fill contamination Household cleaners Clean fuels Plastic products Definitions of Chemistr y Chemistr y: the centr al science deals with the composition, proper ties, and behavior of mater ials and the ways mater ials can be transfor med Raw Mater ials of Chemistr y: metals, minerals, coal, petroleum, sea water, atmospher ic gases, and mater ials from plants and animals Applied chemistr y: understand chemistr y for practical use, produce synthetic (human made) mater ials basis for the chemical industr y M ater ials chemistr y: study of the proper ties of mater ials Exper imental Science: it progresses by means of exper iments and obser vations Chapter 1 I ntroduction to Chemistry Road Map I nsight into Aluminum The Study of Chemistry The Macroscopic Perspective The Microscopic Perspective Symbolic Representation The Science of Chemistry: Observation and Models Observations and I nterpreting Observations Models in Science Numbers and Measurements in Chemistry Units , Numbers and Significant Figures Problem Solving in Chemistry and Engineering Using Ratios Chapter Objectives 1. Describe how chemistry and engineering helped transform Al from a precious metal into an inexpensive structural material 2. Explain the usefulness of the macroscopic, microscopic, and symbolic perspectives in understanding chemical systems 3. Draw pictures to illustrate simple chemical phenomena on the molecular scale Difference between solids, liquid, and gases 4. Explain difference between inductive and deductive reasoning 5. Use appropriate ratios to convert units 6. Express results of calculations using correct number of significant figures The Study of Chemistry...
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CHAPTER 1 - Need chemistry to understand current problems...

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