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Author Question: A 35-g block of ice at -14C is dropped into a calorimeter (of negligible heat capacity) containing ... (Read 162 times)

Kthamas

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on: Jul 29, 2018
A 35-g block of ice at -14C is dropped into a calorimeter (of negligible heat capacity) containing 400 g of water at 0C.
 
  When the system reaches equilibrium, how much ice is left in the calorimeter? The specific heat of ice is 2090 J/kg  K, that of water is 4186 J/kg  K, and the latent heat of fusion of water is 33.5  104 J/kg. A) 32 g
  B) 33 g
  C) 35 g
  D) 38 g
  E) 41 g

Question 2

A person weighing 900 N is standing on snowshoes. Each snowshoe has area 2500 cm2 and has negligible weight. What pressure does this person's weight exert on the snow?
 
  A) 0.18 N/m2
  B) 0.36 N/m2
  C) 1800 N/m2
  D) 3600 N/m2
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princessflame2016

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

D

Answer to Question 2

C


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