During a summer day in El Paso, Texas, outdoor air is at 1 atm, 40°C, and 20 percent relative humidity. Water at 20°C is evaporated into this air to produce air at 25°C and 80 percent relative humidity. How much water, in kg H₂O/kg dry air, is required and how much cooling, in kJ/kg dry air, has been produced?

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Water 20°C Humidifier 1 atm Air 25°C 40°C 80% 20%