How much heat energy is needed to change 10 kg of water at 50eC to steam at 120eC?
A. 4.2 ˛ 105 J
B. 2.3 ˛ 107 J
C. 4.2 ˛ 106 J
D. 2.5 ˛ 107 J
Answer:D
How much heat energy is needed to change 10 kg of water at 50eC to steam at 120eC?
A. 4.2 ˛ 105 J B. 2.3 ˛ 107 J C. 4.2 ˛ 106 J D. 2.5 ˛ 107 J