fall03org1e1

fall03org1e1 - Fall 03: Exam 1 Ch 1-4 100points Name If you...

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Fall 03: Exam 1 Ch 1-4 100points N a m e If you do not want your graded exam placed in the box outside my office, then please tick here Answer all the questions. 1) Draw Lewis structures (lines for bonds and dots for all lone pairs) for the following molecules: (8pts) (a) H 2 O (b) (c) (d) C(CH 3 ) 3 O NH F 2) Draw a Lewis structure with lone pairs and hydrogens for this molecule called Theobromine , which is a strongly psychoactive compound. (3pts) HN N N N O O CH 3 CH 3 3) Indicate the hybridization of each C and N atom in the above molecule. (10pts) For a bonus point, what everyday food item contains over 1% by weight of this psychoactive substance? Fall03org1ex1 page1
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4) (i) What is meant by a Chain process in chemistry? (2pts) (ii) What is a free radical ? (2pts) (iii) What is the electronic charge on a chlorine radical? (2pts) (iv) What is the principal difference between an initiation step and a termination step in a free radical chain process? (4pts) 5) (i) Give any two definitions of an ‘acid’, and state the name/inventor of each definition. (4pts)
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This note was uploaded on 11/26/2011 for the course CHEM 250 taught by Professor Burche during the Fall '11 term at Rutgers.

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fall03org1e1 - Fall 03: Exam 1 Ch 1-4 100points Name If you...

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