College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

Exercise 72

Initially at 20 °C, 0.50 kg of aluminum and 0.50 kg of iron are heated to 100 °C. (a) The aluminum gains (1) more heat than the iron, (2) the same amount of heat as the iron, (3) less heat than the iron. Why (b) Calculate the difference in heat required to prove your answer to part (a).