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CH102 Prelab 05 Molecular Geometry

CH102 Prelab 05 Molecular Geometry - CH102 Prelab 05...

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CH102 Prelab 05 Molecular Geometry http://www.webassign.net/[email protected]/student.pl?w=20051... 1 of 12 11/15/2005 9:53 PM WebAssign.net Tuesday, November 15, 2005 09:53 PM EST Logged in as [email protected] Logout Home | My Assignments | Grades | Communication | Calendar Guide | Help | My Options Home > My Assignments > CH102 Prelab 05 Molecular Geometry (Prelab) COLLINS RYAN ALAN CH 102, section 051, Fall 2005 Instructor: robert wilcox TA North Carolina State University About this Assignment Due: Tuesday, September 27, 2005 11:00 PM EDT Current Score: 25 out of 25 Question Score Instructions Since this prelab is long and reasonably challenging, you have five submisions and can submit each question individually! When you are finished, please draw the correct Lewis structures for the molecules in Parts A, B and C into the Data Collection Section of your lab manual. pts subs 1 1/1 1/5 1/1 Viewing: Last Response View: Saved Work All Responses Notes 1. Select all responses which correctly address safety issues in the Molecular Modeling lab. [_] [_] The usual rules about safety glasses can be ignored because we won't be handling chemicals. [x] [x] The usual rules about appropriate clothing and safety glasses must be observed. [_] [_] The usual rules about appropriate clothing can be ignored because we won't be handling chemicals. pts subs 1 1/1 1/5 1/1 Viewing: Last Response View: Saved Work All 2. The wastes in the Molecular Modeling experiment should be (o) (o) there will be no waste material in this experiment. (_) (_) flushed down the sink with plenty of water. (_) (_) sent to the cafeteria for recycling. (_) (_) thrown in the trash can. (_) (_) disposed of in the labeled container.
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CH102 Prelab 05 Molecular Geometry http://www.webassign.net/[email protected]/student.pl?w=20051... 2 of 12 11/15/2005 9:53 PM Responses Notes pts subs 1 0.17/0.17 1/5 2 0.17/0.17 1/5 3 0.16/0.16 1/5 0.5/0.5 Viewing: Last Response View: Saved Work All Responses Notes 3. Calculate ER, VE, and SP for the formula N 2 O. ER = 24 [24] VE = 16 [16] SP = 4 [4] pts subs 1 1.4/1.4 2/5 1.4/1.4 Viewing: Last Response View: Saved Work All Responses Notes 4. Draw the best Lewis structure for N 2 O by filling in the bonds, lone pairs and formal charges. Select the atom symbol to change the number of lone pairs. Select the area between atoms to change the bond order. Use the list box to set the formal charge for each atom. Refresh Drawing 0 0 N N O 0 3,1,1,0,3,0,1,-1 [3,1,1,0,3,0,1,-1] pts subs 1 1.4/1.4 1/5 1.4/1.4 Viewing: Last Response View: Saved Work All Responses Notes 5. Draw the alternate Lewis structure for N 2 O by filling in the bonds, lone pairs and formal charges. Select the atom symbol to change the number of lone pairs. Select the area between atoms to change the bond order. Use the list box to set the formal charge for each atom. Refresh Drawing 0
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CH102 Prelab 05 Molecular Geometry http://www.webassign.net/[email protected]/student.pl?w=20051...
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