chem 115 lec 21 F08Notes

chem 115 lec 21 F08Notes - CHM 115 Lecture 21 Reading:...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
1 CHM 115 Lecture 21 Reading: Section 11.5, pp. 512-520
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Polymer Characterized by repetition of a group of atoms that are bonded to each other. Properties will not vary if one or two of the repeating units are added or removed. Polyethylene
Background image of page 2
3 Biopolymers What are the biopolymers we have discussed so far in the course? What are the repeating units in each case?
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Question #1 True or false. The cell membrane is a polymer. A. True B. False
Background image of page 4
5 Question #2 One of the monomers in starch is Starch None of these E
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6 Cellulose, another biopolymer Monomer
Background image of page 6
7 Structure of Proteins Repeat unit
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
8 Genetic Material: DNA phosphate sugar base phosphate sugar base phosphate sugar base
Background image of page 8
9 Polymers These are important materials produced in great quantities. Properties depend on intended use. Demos: sad/happy balls Dissolution of two kinds of packing peanuts
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
10 Natural rubber, a polymer Natural rubber occurs in the liquid known as latex, which comes from a rubber tree. Soft and sticky Slowly oxidized by air Stabilized by vulcanization. Most books have it that Charles Goodyear (1800–1860) was first to use sulfur to vulcanize rubber. However ancient Mesoamericans achieved the same results in 1600 BC.
Background image of page 10
Vulcanization Although Goodyear first used sulfur to vulcanize rubber, neither he nor his family were involved in the Goodyear Tire Co. He sold the patent. natural rubber
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 12
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/06/2012 for the course CHM 115 taught by Professor Towns during the Spring '08 term at Purdue.

Page1 / 33

chem 115 lec 21 F08Notes - CHM 115 Lecture 21 Reading:...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online