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Author Question: An 800-g block of ice at 0.00C is resting in a large bath of water at 0.00C insulated from the ... (Read 42 times)

mp14

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on: Jul 29, 2018
An 800-g block of ice at 0.00C is resting in a large bath of water at 0.00C insulated from the environment. After an entropy change of this system of 600 J/K, how much ice remains unmelted? The latent heat of fusion of water is 333 J/g.
 
  A)
 
  579 g
 
  B)
 
  492 g
 
  C)
 
  764 g
 
  D)
 
  308 g
 
  E)
 
  221 g

Question 2

An object is placed 100 cm in front of a lens of focal length 20 cm. A second lens is placed 35 cm beyond the first, this second lens having a focal length of 8.0 cm. If the size of the object is 6.0 cm, what is the size of the final image?
 
  A)
 
  1.5 cm
  B)
 
  12 cm
  C)
 
  9.0 cm
  D)
 
  3.0 cm
  E)
 
  6.0 cm


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amynguyen1221

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

D

Answer to Question 2

E


mp14

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Reply #2 on: Jul 29, 2018
TY


amynguyen1221

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Reply #3 on: Jul 29, 2018
You're welcome


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