Chem 6A Quiz 4_key_Sect_E09_E04_E05

Chem 6A Quiz 4_key_Sect_E09_E04_E05 - QUIZ4E09/E04/E05...

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QUIZ 4 E09/E04/E05 NAME (Last, First): _______KEY ___________________ Chemistry 6A Fall 2008 UCSD PID: |A|__|__|__|__|__|__|__|__| Section E____ Your signature: _____________________________ Total Points: _______ / 20 You have 10 minutes to complete this quiz. Please show all your work, but write the answers in the designated spaces. The points allotted for each question are indicated in parenthesis. Potentially Helpful Constants: Mass of electron, m e = 9.10938 x 10 ‐31 kg Mass of proton, m p = 1.67262 x 10 ‐27 kg Mass of neutron, m n = 1.67493 x 10 ‐27 kg Fundamental charge, e = 1.60218 x 10 ‐19 C g = 9.80665 m s ‐2 c = 2.99792 x 10 8 m s ‐1 h = 6.62608 x 10 ‐34 J s Potentially Helpful Conversion Factors: 1 J = 1 N•m 1 N = 1 kg m s ‐2 1 L = 10 3 cm 3 Potentially Helpful Equations: E K = ½mv 2 c = νλ E= h ν λ particle = h(v) E tot = E k + E Ф = (1( ° 1))2− 1( ° 2))2)
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1) To construct the molecular shape from a particular Lewis structure, chemists employ the VSEPR model. Draw the Lewis structure of two of the following molecules and apply VSEPR theory to answer the following (8pts): Molecule Lewis Structure Octet Rule Violated?
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