How much heat energy is needed to change 10 kg of ice at -20e C to water at 50e C?
A. 4.2 ˛ 105 J
B. 3.3 ˛ 106 J
C. 4.2 ˛ 106 J
D. 5.8 ˛ 106 J
Answer:D
How much heat energy is needed to change 10 kg of ice at -20e C to water at 50e C?
A. 4.2 ˛ 105 J B. 3.3 ˛ 106 J C. 4.2 ˛ 106 J D. 5.8 ˛ 106 J