Question: What is the change in latent heat if humid air at Tab=97 F and RH-40% is dehumidified at constant temperature until RH-20%?

 What is the change in latent heat if humid air at Tab=97 F and RH-40% is dehumidified at constant temperature  

What is the change in latent heat if humid air at Tab=97 F and RH-40% is dehumidified at constant temperature until RH-20%?

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