Chapter 1 - 8/24/2011 Chemistry1201 GeneralChemistryI...

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8/24/2011 1 Chemistry 1201 – General Chemistry I (Section 3) Doug Gilman Chymistry, an art whereby sensible bodies contained in vessels. .are so changed, by means of certain instruments, and principally fire, that their several powers and virtues are thereby discovered, with a view to philosophy or medicine. Dr. Samuel Johnson, (1709–1784) Literary titan of the 18 th century – essayist, lexicographer, poet, editor, critic Second most quoted person in the English language (after Shakespeare)
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8/24/2011 2 A modern definition of chemistry ..... That branch of physical science and research, which deals with the several elementary substances, or forms of matter, of which all bodies are composed, the laws that regulate the combination of these elements in the formation of compound bodies, and the various phenomena that accompany their exposure to diverse physical conditions. Oxford English Dictionary http://dictionary.oed.com/ Chemistry is concerned with the structure and properties of matter as well as the interchange of matter by reaction. It differs from the other natural sciences or physical sciences as it is CREATIVE and thus has elements of art and is a science nonetheless.
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8/24/2011 3 “What chemists do can best be described by the ‘three Ms,’” he says. “Chemists make it, they measure it, and they model it.” Richard N. Zare (Stanford University) ACS Award in Analytical Chemistry THIS is not Chemistry! The periodic table is a very useful tool created by people to help us understand and organize what we know about Chemistry. (you will still need to learn about it and how to use it – since it is so useful)
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8/24/2011 4 THIS is Chemistry! An ExxonMobil chemical plant in Baton Rouge A corroding bridge Matter Molecules Chemical Properties Protons, Electrons , Neutrons Structure – Molecular, of Matter New Molecules Ions Atoms All Science and Engineering Involves Matter Make Atoms Measure Model
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8/24/2011 5 http://www.udel.edu/chem/white/C647/Penicillin.gif Penicillin What is the structure of penicillin? http://www.udel.edu/chem/white/C647/Penicillin.gif Penicillin How is penicillin made?
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8/24/2011 6 http://www.udel.edu/chem/white/C647/Penicillin.gif Penicillin What are the chemical and physical properties of penicillin?
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8/24/2011 7 Chapter 1: INTRODUCTION: MATTER AND MEASURMENT What are the Goals (Chapter 1)? Why is Chemistry important? What is matter, how do we classify it? What are chemical properties/changes vs. physical properties/changes? Scientific Method, units, measurement uncertainty, dimensional analysis
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8 What is matter? Matter is the material of which the physical world is composed – the fabric of the universe. Some forms of matter I
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This note was uploaded on 02/08/2012 for the course SCIENCE 1201 taught by Professor Bill during the Spring '11 term at LSU.

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Chapter 1 - 8/24/2011 Chemistry1201 GeneralChemistryI...

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