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Author Question: What is the change in entropy when 50 g of ice melt at 0C? A) 14.7 cal/K B) 4.0 ... (Read 18 times)

bobbysung

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on: Jul 29, 2018
What is the change in entropy when 50 g of ice melt at 0C?
 
  A)
 
  14.7 cal/K
 
  B)
 
  4.0 kcal/K
 
  C)
 
  zero
 
  D)
 
  -4.0 kcal/K
 
  E)
 
  -14.7 cal/K

Question 2

Beta rays can penetrate
 
  A)
 
  air only.
  B)
 
  a piece of paper.
  C)
 
  several millimeters of aluminum.
  D)
 
  several centimeters of lead.
  E)
 
  several meters of iron.


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xthemafja

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


bobbysung

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

debra928

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Reply 3 on: Yesterday
Wow, this really help

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