What is the enthalpy change of 15°C system if the heat capacity of ai – McqOptions

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1.	What is the enthalpy change of 15°C system if the heat capacity of air at 20°C is 10 J/°C and heat capacity of water vapor at 20°C is 20 J/°C, enthalpy of vaporization is 20 J, and the humidity is 50%?
A.	50 J
B.	60 J
C.	80 J
D.	110 J
Answer» E.

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