Author Question: A sample of natural rubber (200.0 g) is vulcanized, with the complete consumption of 4.8 g of ... (Read 56 times)

anjilletteb · **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