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Author Question: Which of the following relationships is not true? a. Tg < Tm b. Mw Mn c. polydispersity index ... (Read 82 times)

berenicecastro

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on: Aug 23, 2018
Which of the following relationships is not true?
 a. Tg < Tm
  b. Mw  Mn
  c. polydispersity index  1
  d. Mn = (average degree of polymerization, n)  (molecular weight of repeat unit)

Question 2

Which of the following combinations of terms best describes the polymerization of propene to form polypropylene?
 a. step growth addition
  b. step growth condensation
  c. chain growth addition
  d. chain growth condensation


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fdliggud

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Reply #1 on: Aug 23, 2018
Answer to Question 1

c

Answer to Question 2

c


berenicecastro

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Reply 2 on: Aug 23, 2018
Gracias!

juliaf

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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