1. Show your work for all answers. Write equations and units in a correct manner
ID: 299324 • Letter: 1
Question
1. Show your work for all answers. Write equations and units in a correct manner. You may lose points if not Temperature, °F -40 -20 0 20 40 60 80 100 120 60 50 E 40 30 26 g/kg E3 20 15 g/kg G 10 2 g/kg 0 -40 -30 -20-10 0 10 20 30 40 50 Temperature, °C Figure 44 Visualizing Physical Geography, Je o 2008 John Wiley&Sons; Ifthe air temperature is 20 degrees Celsius, how much water vapor (in the unit of specific humidity) does it take to saturate the air? a. b. Ifthe air temperature increases from 20 to 35 degrees Celsius, how much additional water vapor will it take to saturate the air? If the water vapor content of the air is 15g/kg and the air temperature is 30 degrees Celsius, what is the relative humidity? c. d. If the relative humidity ofthe air is 60% and the temperature ofthe air is 10 degrees Celsius, how much water vapor is present in the air (i.e. what is the specific humidity at the temperature)? 2 ptsExplanation / Answer
(a) If the air temperature is 20 degree Celsius, it will take 15g/kg [i.e. 15 gram of water vapour per 1kg mass of air] to saturated the air.
(b) If the air temperature increases from 20 to 35 degree Celsius, it will take 20g/kg of additional water vapour to saturated the air. i.e. 35g/kg - 15g/kg = 20g/kg
(c) The relative humidity is 26% if the water vapour content of the air is 15g/kg and the air temperature is 30 degree Celsius.
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