This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A sample of natural rubber (200.0 g) is vulcanized, with the complete consumption of 4.8 g of ... (Read 119 times)

anjilletteb

  • Hero Member
  • *****
  • Posts: 569
on: Aug 27, 2018
A sample of natural rubber (200.0 g) is vulcanized, with the complete consumption of 4.8 g of sulfur. Natural rubber is a polymer of isoprene (C5H8). Four sulfur atoms are used in each crosslink connection.
 
  What percent of the isoprene units will be crosslinked? A) 7.6
  B) 5.1
  C) 2.5
  D) 9.4
  E) 1.3

Question 2

Dynamite consists of nitroglycerine mixed with ________.
 
  A) potassium nitrate
  B) damp KOH
  C) TNT
  D) diatomaceous earth or cellulose
  E) solid carbon


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigsis44

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Aug 27, 2018
Answer to Question 1

E

Answer to Question 2

D


anjilletteb

  • Member
  • Posts: 569
Reply 2 on: Aug 27, 2018
Excellent

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Dentition, as illustrated in Knight's Sketches in Natural History Dentition, as illustrated in Knight's Sketches in Natural History
Natural seletion Natural seletion
A complete cranium of Australopithecus afarensis from Hadar, Ethiopia. A complete cranium of Australopithecus afarensis from Hadar, Ethiopia.
Sample Program for Changing Daily Caloric Intake (cont.) Sample Program for Changing Daily Caloric Intake (cont.)
Natural Resources and Industry Natural Resources and Industry
A complete kinetic scheme for a single nucleotide addition A complete kinetic scheme for a single nucleotide addition
Video: Subunits of DNA And Semi Conservative Replication

For a complete list of videos, visit our video library