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Author Question: A sample of natural rubber (200.0 g) is vulcanized, with the complete consumption of 4.8 g of ... (Read 129 times)

anjilletteb

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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


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bigsis44

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Reply #1 on: Aug 27, 2018
Answer to Question 1

E

Answer to Question 2

D


anjilletteb

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Reply 2 on: Aug 27, 2018
Gracias!

frankwu0507

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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