Lecture_07

Lecture_07 - This week For Lab"From Element to Salt Chapter...

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This week For Lab: “From Element to Salt ,” Chapter 4 in your lab manual, will give you an opportunity to work with some common chemistry lab techniques and to observe some of the chemical behavior that will be explained by the material covered in the next couple of weeks. Note the prelab assignment. Homework 3 due Friday at 6 PM Homework 4 due Friday 9/21, but it covers many of the topics on Exam 1. Exam 1, 9/20/07, 8:30 pm, Hall of Music. Covers lectures 1-7, Labs 1-3, and Learning Objectives. Last year’s exam 1 is posted on WebCT. Final Exam: Tuesday, December 11, 10:20 am, Hall of Music
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The speed of light is a constant in vacuum equal to 3.00 x 10 8 m/s. λ Α
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Amplitude (intensity) of a wave
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Image of the Atom from Lecture #3 Nucleus (positive charge) Electrons, e (negative charge)
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Demo Pass the light from excited hydrogen atoms through a prism or a grating and we see lines in the visible region.
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Demo Pass the light from excited hydrogen atoms through a prism or a grating and we see lines in the visible region. There are other lines but they require an instrument to detect.
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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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Lecture_07 - This week For Lab"From Element to Salt Chapter...

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