Iced tea is made by adding ice to 3.0 kg of hot tea, initially at 80 C. How many kg of ice, initially at 0 C, are required to bring the mixture to 10 C? (Lf = 3.33 x 105 J/kg, cw = 4186 J/kg· C)
A) 2.8 kg
B) 1.6 kg
C) 1.4 kg
D) 2.3 kg
Correct Answer:
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