The heat of vaporization of water at 100°C is 40.66 kJ/mol. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100°C.
A. 20.3 kJ of heat are absorbed.
B. 20.3 kJ of heat are released.
C. 81.3 kJ of heat are absorbed.
D. 81.3 kJ of heat are released.
Answer:B
The heat of vaporization of water at 100°C is 40.66 kJ/mol. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100°C.
A. 20.3 kJ of heat are absorbed. B. 20.3 kJ of heat are released. C. 81.3 kJ of heat are absorbed. D. 81.3 kJ of heat are released.