Chemistry

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A bromoalkane shows two parent ion peaks m/z 122 and 124. What is the molecular formula? A) C4H9Br ... Started by saraeharris	3 Replies 61 Views	Aug 23, 2018 by eliasc0401
The structure of quinoline is: A) D) B) E) C) ... Started by segrsyd	1 Replies 36 Views	Aug 23, 2018 by CAPTAINAMERICA
Which of the following statements is false? A) Furan, pyrrole, and thiophene are more reactive ... Started by sammy	1 Replies 97 Views	Aug 23, 2018 by hramirez205
Which of the following is not a heterocyclic compound? A) 1 B) 2 C) 3 D) 4 E) ... Started by burchfield96	1 Replies 208 Views	Aug 23, 2018 by jonathanballen97
Pyrrole is a weak base because: A) the nitrogen lone pair is part of the aromatic system. ... Started by kodithompson	3 Replies 113 Views	Aug 23, 2018 by Jevvish
The final product of the following reaction sequence is: A) D) B) E) ... Started by Collmarie	1 Replies 74 Views	Aug 23, 2018 by sarahccccc
The use of Superglue involves a polymerization of methyl 2-cyanopropenoate and water. What is the ... Started by jasdeep_brar	1 Replies 134 Views	Aug 23, 2018 by wtf444
Step-growth polymers differ from chain-growth polymers in that they A) are more water soluble. B) ... Started by bio_gurl	1 Replies 548 Views	Aug 23, 2018 by Ptupou85
An example of a polyurethane is A) D) B) E) C) ... Started by vHAUNG6011	3 Replies 89 Views	Aug 23, 2018 by gabrielle_lawrence
Dacron is an example of a A) polyamide. B) polyacrylate. C) polyol. D) polyester. E) ... Started by newbem	1 Replies 75 Views	Aug 23, 2018 by jennafosdick
The monomer unit of PVC pipe is: A) ethylene B) vinyl chloride C) styrene D) ... Started by CQXA	1 Replies 155 Views	Aug 23, 2018 by dyrone
Kel-F is the trade name for a copolymer used for rocket motors. Which monomer units will produce ... Started by torybrooks	1 Replies 44 Views	Aug 23, 2018 by samiel-sayed
A urethane is produced by reacting an alcohol with: A) an isocyanate B) an anhydride C) ... Started by storky111	3 Replies 139 Views	Aug 23, 2018 by vseab
Ziegler-Natta catalysts, used to prepare linear polymer molecules, consist of: A) Lewis acids and ... Started by Evvie72	1 Replies 462 Views	Aug 23, 2018 by ashely1112
A good initiator for a free radical addition polymerization is: A) bromine B) oxygen C) ... Started by Haya94	1 Replies 212 Views	Aug 23, 2018 by momtoalll
Free radical polymerization is dependent on radical stabilities. Which of the following is the most ... Started by chads108	1 Replies 446 Views	Aug 23, 2018 by asware1
The configurations of stereogenic centers in an atactic polymer are: A) regular B) random C) ... Started by TFauchery	3 Replies 254 Views	Aug 23, 2018 by miss.ashley
Which of the following is a thermosetting polymer? A) polypropylene B) teflon C) dacron D) ... Started by joesmith1212	1 Replies 95 Views	Aug 23, 2018 by dominiqueenicolee
Vulcanization is a process to strengthen natural rubber by crosslinking polymer chains with what ... Started by tth	1 Replies 223 Views	Aug 23, 2018 by tuwy
A cross-linked polymer A) is a better elastomer than a linear polymer. B) has a more rigid ... Started by bucstennis@aim.com	1 Replies 803 Views	Aug 23, 2018 by DylanD1323
Linolenic acid, below, is a fatty acid that has 18 carbons and three double bonds. What is the ... Started by Coya19@aol.com	3 Replies 173 Views	Aug 23, 2018 by heinisk01
How many ester groups of an oil or fat have to be replaced by phosphatidylamine to produce a ... Started by jace	1 Replies 48 Views	Aug 23, 2018 by britb2u
The correct formula for a fat or oil is A) D) B) E) C) ... Started by rl	1 Replies 65 Views	Aug 23, 2018 by wuly
What structural feature is common to all steroids? A) all contain an alcohol functionality B) ... Started by newyorker26	1 Replies 66 Views	Aug 23, 2018 by kjohnson
The isoprene units in menthol are correctly marked with dashed lines in which of the following ... Started by moongchi	3 Replies 142 Views	Aug 23, 2018 by debra928