Lecture 3

Lecture 3 - CHM 11500-T Coach Wenthold Lectures: T and Th,...

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1 CHM 11500-T Coach Wenthold Lectures: T and Th, 8:30, 9:30 Lecture 3 Sept 4
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2 Base Units The joule is not a fundamental unit. Joule is the energy unit. 1 J = 1 kg ( m 2 /s 2 )
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3 Question #1 Which is the largest unit of energy? a. J b. kJ c. mJ d. MJ e. nJ f. pJ
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4
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5 Potential and Kinetic Energy Energy is stored in molecules. As stored energy it is potential energy. Some molecules store more than others. When a fuel is burned, potential energy is converted to kinetic energy. The amount of kinetic energy you can get out depends on the amount of potential energy available Energy is neither created nor destroyed, it is only converted between forms.
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6 Nucleus Electrons, e (negative charge) Structure of the Neutral Atom
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7 Atoms and Molecules Atoms combine together to form MOLECULES A structure consisting of two or more atoms that are chemically bound together and behave as an independent unit Molecules undergo CHEMICAL REACTIONS, either by themselves or with others to create new
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Lecture 3 - CHM 11500-T Coach Wenthold Lectures: T and Th,...

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