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 128 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
Thanks for the timely response, appreciate it

adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Blending inheritance formed the basis of nineteenth-century critiques of evolution by natural select Blending inheritance formed the basis of nineteenth-century critiques of evolution by natural select
A sample flow sheet. A sample flow sheet.
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
EMR Complete: A Worktext (Limmer) EMR Complete: A Worktext (Limmer)
A sample of 400 observations will be taken from an infinite population. The population ... A sample of 400 observations will be taken from an infinite population. The population ...
Video: Frequency of stimulation and force (Recruitment of motor units and force)

For a complete list of videos, visit our video library