A 50-G Cube of Ice,initially at 0

Multiple Choice

A 50-g cube of ice,initially at 0.0°C,is dropped into 200 g of water in an 80-g aluminum container,both initially at 40°C.What is the final equilibrium temperature? (Specific heat for aluminum is 900 J/kg·°C,the specific heat of water is 4186 J/kg·°C,and L_f = 3.33 × 10⁵ J/kg. )

A) 17.6°C
B) 9.5°C
C) 12.1°C
D) 20.6°C