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Science 155 Homework Assignment - Chapter 18, Assignments of History of Education

A homework assignment for science 155, chapter 18. The assignment includes questions related to identifying different types of compounds, drawing isomers of pentane, and drawing the structure of glycerol. Students are also reminded to complete class evaluations and are encouraged to share their preferences for completing homework assignments online or as hand-ins.

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Pre 2010

Uploaded on 08/19/2009

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Homework Assignment
Science 155, Chapter 18
From your text book:
Questions for thought p400 # 1,4,5,8,10,11,12
In place of Group B:
1. Identify each of the following compounds as a carboxylic acid, ester, ketone,
aldehyde, or amine.
(a) (b)
H H H H H
H C C C = O H C C C = O
H H H H O H
(c) (d)
H H H H O H

H C C N H H C C C H
H H H H
(e) H H H
H C C O C H

H O H
2. Draw the 3 isomers of pentane C5H12
3. Draw the structure of glycerol, the alcohol made when fats are cleaved to make
soap. How many alcohol groups does it have? Do you expect it to be soluble in
water?
pf2

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Homework Assignment Science 155, Chapter 18 From your text book: Questions for thought p400 # 1,4,5,8,10,11, In place of Group B:

  1. Identify each of the following compounds as a carboxylic acid, ester, ketone, aldehyde, or amine. (a) (b) H H H H H H C C C = O H C C C = O H H H H O H (c) (d) H H H H O H  H C C N H H C C C H H H H H (e) H H H H C C O C H  H O H
  2. Draw the 3 isomers of pentane C 5 H 12
  3. Draw the structure of glycerol, the alcohol made when fats are cleaved to make soap. How many alcohol groups does it have? Do you expect it to be soluble in water?

Class Evaluation Class evaluations are now available on line through May 2. You can get to them by logging on to Portal or the Student One Stop. There is a button to click to evaluate your courses. Everyone will have their lowest 2 bluebook quizzes dropped. To encourage your participation, the whole class will get a third lowest bluebook quiz dropped if 70% of the class participates in evaluations and a fourth lowest bluebook quiz dropped if 90% of the class participates in evaluations. I will be reporting on the percentage participation, but I do not have access to who individually participates. I would appreciate if you would comment on your preference as to doing homework on line like we did for the physics chapters vs. hand-ins as we did for the chemistry chapters.