What is the enthalpy change of 20°C system if the heat capacity of ai – McqOptions

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1.	What is the enthalpy change of 20°C system if the heat capacity of air at 25°C is 5 J/°C and heat capacity of water vapor at 25°C is 10 J/°C, enthalpy of vaporization is 10 J, and the humidity is 20%?
A.	25 J
B.	37 J
C.	44 J
D.	51 J
Answer» C. 44 J

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