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Author Question: What was the first synthetically enhanced polymeric hydrocarbon extensively utilized for its ... (Read 37 times)

clmills979

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on: Aug 27, 2018
What was the first synthetically enhanced polymeric hydrocarbon extensively utilized for its material properties?
 
  A) rubber
  B) vulcanized-rubber
  C) nylon
  D) nitrocellulose
  E) none of the above

Question 2

At what point will a buffer solution cease to moderate changes in pH?
 
  A) when waters equilibrium constant has been reached
  B) when the weak acid and the weak base salt concentration are equal
  C) when the acting buffering component is all neutralized
  D) only after all the acid or the base that needs to be buffered has been added


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morrie123456

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

B

Answer to Question 2

C


clmills979

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Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

diana chang

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Reply 3 on: Yesterday
Wow, this really help

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