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Virginia State University General Chemistry I. Chem 161 Fall 2013. Dr. Victor Vilchiz. Chemistry. If chemistry is the study of matter… What is matter? How is it classified? What is the difference between Mass and Weight?. Chemistry. Why are we the “central” science? What is science?
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Virginia State UniversityGeneral Chemistry I Chem 161 Fall 2013 Dr. Victor Vilchiz
Chemistry • If chemistry is the study of matter… • What is matter? • How is it classified? • What is the difference between Mass and Weight?
Chemistry • Why are we the “central” science? • What is science? • Name some sciences • Name some non-sciences…
Chemistry • What is the scientific method? • What are the steps of that method? • What is the most important part of the method? • What is the difference between hypothesis, theory, and law?
Properties of Matter • Physical Properties • Physical States • Phases • Classification • Chemical Properties • Types of reactions • Classifications • Chemical Symbols
Mass Laws • How many are there? • What are they? • What do they say? • What do they lead to? • Why is it important?
Alchemy • What is it? • Where did it originate? • Egypt… Khem = Turn Black • Greece… Cheo = to cast • China… Chin-I = gold making juice • How did it lead to Chemistry?
AIR • Ancient elements • How many? • 1 • 2 • 3 • 4 • 5 ? • How many Elements do we have now?
AIR • Fixed Air • Explosive Air • Noxious Air • Flammable Air
Atomic Theory • Who postulated it? • How many postulates? • What are they? • How many are “correct”?
Atomic Bookkeeping • Atoms • Molecules • Formulas • Types of formulas • Subscripts • Coefficients • Hydrates • Chemical Reactions • Balancing Chemical Reactions.