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Author Question: Which one of the following properties is unique to water? A) it has a high heat capacity B) it ... (Read 53 times)

jhjkgdfhk

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on: Jul 27, 2018
Which one of the following properties is unique to water?
 
  A) it has a high heat capacity
  B) it is a good solvent
  C) it is a liquid over a wide temperature range
  D) it expands on freezing

Question 2

If originally there were X atoms of radioactive isotope present and now there are only X/2 atoms, how many half-lives have elapsed?
 
  A) 3
  B) 1
  C) 4
  D) 2


enass

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

D

Answer to Question 2

B


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