Chapter 1 Lecture

Chapter 1 Lecture - Welcome to Chemistry General Chemistry...

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Welcome to Chemistry General Chemistry 1 CHEM 1341 Instructor: Jeff McVey 2 Introduction Chemistry the study of matter and its properties, the changes that matter undergoes, and the energy associated with those changes Matter the physical material of the universe; anything that occupies space and has mass Section 1.1 How Small is an Atom
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Scanning Tunneling Microscope (STM) Image 71.3 Angstrom Components of Every Atom Formation of the Elements
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10 Introduction Chemistry the study of matter and its properties, the changes that matter undergoes, and the energy associated with those changes Matter the physical material of the universe; anything that occupies space and has mass Section 1.1 11 States of Matter Gas has no fixed volume or shape conforms to the volume and shape of its container compressible Liquid has a fixed volume, but no fixed shape conforms to the shape of its container Solid has a fixed volume and a fixed shape Section 1.2 Kinetic Energy ki·net·ic (k -n t k, k -) adj. Of, relating to, or produced by motion. Kinetic Energy is the energy that comes from Motion. The Faster something is moving the higher the kinetic energy.
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13 States of Matter Section 1.2 14 Changes in States of Matter Movie Section 1.2 15 Pure Substance (or Substance) Matter that has a fixed composition and distinct properties; pure substances contain only one kind of matter elements compounds Section 1.2
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16 Classification of Substances Elements substances that can not be decomposed into simpler substances by chemical means Compounds composed of two or more elements; can be decomposed by chemical means Section 1.2 17 Periodic Table Section 1.2 18 Diatomic Molecules Elements which exist naturally as a combination of two atoms H 2 , N 2 , O 2 , F 2 , Cl 2 , Br 2 , I 2 Cl Cl O O Section 1.2
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19 Compounds Compounds are a combination of two or more elements Section 1.2 H H O A molecule of water, H 2 O, contains two atoms of hydrogen
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This note was uploaded on 11/11/2009 for the course CHEM 1341 taught by Professor Compton during the Spring '08 term at Texas State.

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Chapter 1 Lecture - Welcome to Chemistry General Chemistry...

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