A hot metal piece is cooled rapidly to 25°C, removing 1000 kJ from the metal. Calculate the change of entropy if energy is absorbed by vaporizing liquid nitrogen at 101.3 kPa pressure.
A.9.929 kJ/K
B.10.929 kJ/K
C.11.929 kJ/K
D.12.929 kJ/K
Answer:D
A hot metal piece is cooled rapidly to 25°C, removing 1000 kJ from the metal. Calculate the change of entropy if energy is absorbed by vaporizing liquid nitrogen at 101.3 kPa pressure.
A.9.929 kJ/K B.10.929 kJ/K C.11.929 kJ/K D.12.929 kJ/K