An Equimolar Mixture of Carbon Dioxide and Water Vapor at 2

Multiple Choice

An equimolar mixture of carbon dioxide and water vapor at 2 atm and 45°C enter a dehumidifying section where the entire water vapor is condensed and removed from the mixture, and the carbon dioxide leaves at 2 atm and 45°C. The entropy change of carbon dioxide in the dehumidifying section is

A) -3.8 kJ/kg.K
B) -0.13 kJ/kg.K
C) 0
D) 0.13 kJ/kg.K
E) 3.8 kJ/kg.K