Concepts of Chemistry
Concepts of Chemistry 24715
University of Pittsburgh at Bradford
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This 1 page Class Notes was uploaded by Taylor Mayne on Monday February 9, 2015. The Class Notes belongs to 24715 at University of Pittsburgh at Bradford taught by DR. Mulcahy in Fall. Since its upload, it has received 13 views. For similar materials see Concepts of Chemistry in Chemistry at University of Pittsburgh at Bradford.
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I was sick all last week and these notes were exactly what I needed to get caught up. Cheers!
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Date Created: 02/09/15
Concepts of Chemistry Chapter 1 Notes 0 Chemistry study of interactions of matter and energy changes accompanying those interactions 0 3 forms states 0 Solid 0 Liquid 0 Gas 0 Physical Properties property which does not involve chemical reaction 0 Intensive doesn t depend on anything Shiny crystallinity malleability density conductivity meltingboiling point 0 Extensive depends on amount of matter Weight volume length width 0 Chemical Properties determined by chemical RXN Types of Substances 0 Pure substance Elements atoms of the same type 0 Le S H 0 H2 Compounds two or more elements chemically combined in fixed proportions Le H20 802 o Mixture two or more pure substances combined Homogenous same composition throughout 0 Solution Heterogeneous different composition throughout 0 Scientific Method 0 1 Make an observation 2 Define a question 3 Hypothesis 4 Experiment data 5 Draw conclusion accept hypothesis reject hypothesis revise hypothesis 0 O O O 0 Law of Conservation of Matter matter can neither be created nor destroyed except in nuclear reactions
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