CHM115_SCB_Lecture7

CHM115_SCB_Lecture7 - Lecture 7 Reading was: 6.1-6.6

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Lecture 7 Reading was: 6.1-6.6
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Exam 1, Mon. Sept 20, 8:00-9:00 Be there at 7:35 PM Bring your PUID, seat assignment , pencils, approved calculator No translators or cell phones Calculator: Non-programmable, no grpahing!!!!! Not solar, they do not work well in the second balcony. In your seat by 7:55 PM Cannot leave during first 15 minutes of exam. Take your exam paper with you upon leaving.
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This Week Reading Assignment for Lecture 8 7.3-7.6 OWL Homework – due Friday by 12 AM! Review Session: Sept. 19 th in WTHR 201 7:30-9 PM Section M
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Question #1 Which light wave is of highest energy?
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c = λ ν c = velocity Key terms: wavelength, λ (nm) frequency, ν (s -1 = Hz) The speed of light is a constant in vacuum equal to 3.00 x 10 8 m/s. λ Α
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Question #2 Which light wave is brightest?
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Amplitude (intensity) of a wave Key terms: wavelength amplitude
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Image of the Atom Nucleus (positive charge) Electrons, e (negative charge)
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Atomic Line Spectra It has been known since the 1800’s that line spectra exist. The spectrum for each element is unique! http://www.jce.divched.org/JCEDLib/We
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Scientists have proposed that these spectral lines are caused by a process in the atom that involves electrons. How do we know these lines are caused by electronic processes and not a nuclear process? Figure 7.3
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CHM115_SCB_Lecture7 - Lecture 7 Reading was: 6.1-6.6

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