Lecture 8

Lecture 8 - CHM 11500-M01 and M02 Dr. John Polles Lectures:...

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CHM 11500-M01 and M02 Dr. John Polles Lectures: M, F at 11:30 and 2:30 Lecture 8 Reading was: KTT: Chapter 6, pp. 285 – 291 Lecture 9: Sections 7.4 – 7.6 Lecture 10: Sections 8.1, 13.3, 8.2 No office hour this Thursday, 24 Sep.
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2 Lab: From Element to Salt Goal: prepare and recover an inorganic compound, alum, KAl(SO 4 ) 2 ∙12 H 2 O Use filtration and crystallization techniques Write the chemical equations for the synthesis of alum Calculate theoretical, actual and % yield Read CH 3 in the lab manual and do the pre-lab
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3 Bohr’s Planetary model Bohr model uses “Bohr orbits” to describe the physical motion and positions of electrons. This model fails to explain various characteristics of atoms and atom behavior, including bonding and periodicity
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Energy Levels: H-atom E n = - R H (1/n 2 ) n = 1, 2, 3, 4, . ... Electron begins in the ground state (lowest energy state possible) and is excited to a higher state. Then the electron returns to
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Lecture 8 - CHM 11500-M01 and M02 Dr. John Polles Lectures:...

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