7. The relative humidity on a 90°F day is 30 per cent. a. How many pounds of water vapor are in a room 20 ft by 30 ft by 10 ft high? b. What is the weight of the air-water-vapor mixture in the room above? c. Air is discharged from an evaporative cooler at 76°F. What is its relative humidity? d. Will eggs removed from a 45°F storage room "sweat"? Why? e. If the air is humidified isothermally, what is H at saturation?

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A: Handwriting.jpg

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A: RH = mass of vapor/ mass of air

Q: 15. An empty flask has a mass of 48.293g and 48.612g when filled with acetone vapor at 80°C and…

A: given; ⇒mass (m1)=48.293g⇒mass (m2)=48.621g⇒temperatuire(T)=800c=353K⇒density of…

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A: For air 1, ma1=2kg/s=0.162m3/sva1=0.162m3/sTdb=60°CTwb=30°C for air stream 2,…

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