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Author Question: Natural rubber is too soft and chemically reactive for practical applications. Vulcanization of ... (Read 140 times)

joesmith1212

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on: Aug 27, 2018
Natural rubber is too soft and chemically reactive for practical applications. Vulcanization of natural rubber entails ________.
 
  A) conversion of an addition polymer to a condensation polymer
  B) conversion of a condensation polymer to an addition polymer
  C) increasing the average molecular weight of a condensation polymer
  D) decreasing the average molecular weight of an addition polymer
  E) crosslinking reactive polymer chains with sulfur atoms

Question 2

Zinc is more active than cobalt and iron but less active than aluminum. Cobalt is more active than nickel but less active than iron. Which of the following correctly lists the elements in order of increasing activity?
 
  A) Co < Ni < Fe < Zn < Al
  B) Ni < Fe < Co < Zn < Al
  C) Ni < Co < Fe < Zn < Al
  D) Fe < Ni < Co < Al < Zn
  E) Zn < Al < Co < Ni < Fe
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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CharlieArnold

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Reply #1 on: Aug 27, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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joesmith1212

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Reply #2 on: Aug 27, 2018
Thanks


CharlieArnold

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Reply #3 on: Aug 27, 2018
Welcome :)


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