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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