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 71 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
Gracias!

frankwu0507

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Dentition, as illustrated in Knight's Sketches in Natural History Dentition, as illustrated in Knight's Sketches in Natural History
Sample Workout in the Target Heart Rate Range Sample Workout in the Target Heart Rate Range
Sample Exercise Prescription for Weight Training: Advanced Sample Exercise Prescription for Weight Training: Advanced
Pour the injection system cleaning fluid into the open canister. Rubber gloves are highly ... Pour the injection system cleaning fluid into the open canister. Rubber gloves are highly ...
Use a rubber or padded barrier to save wear and tear on the tabletop. Use a rubber or padded barrier to save wear and tear on the tabletop.
A sample of carbon monoxide gas occupies 125 mL at 20.0 °C and 455 mm Hg. If the A sample of carbon monoxide gas occupies 125 mL at 20.0 °C and 455 mm Hg. If the
Video: Oral Hygiene & Braces Animation

For a complete list of videos, visit our video library