Q 36

A 35-g block of ice at -14°C is dropped into a calorimeter (of negligible heat capacity)containing 400 g of water at 0°C.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 × 10^{4} J/kg.
A)32 g
B)33 g
C)35 g
D)38 g
E)41 g

Q 37

A 44.0-g block of ice at -15.0°C is dropped into a calorimeter (of negligible heat capacity)containing
Of water at 5.0°C.When equilibrium is reached,how much of the ice will have melted? 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 × 10^{4} J/kg.
A)2.1 g
B)21 g
C)5.2 g
D)52 g
E)4.4 g

Q 38

A 40.0-g block of ice at -15.00°C is dropped into a calorimeter (of negligible heat capacity)containing water at 15.00°C.When equilibrium is reached,the final temperature is 8.00°C.How much water did the calorimeter contain initially? 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 × 10^{4} J/kg.
A)302 g
B)345 g
C)405 g
D)546 g
E)634 g