Question #136307
Assuming that a different air mass has a relative humidity of 40% at a temperature of 25 degrees Celsius, what is the actual humidity content, expressed as g/kg?
1
2020-10-05T06:43:27-0400

The relative humidity is defined by the following expression (http://www.classzone.com/vpg_ebooks/ml_earthscience_na/accessibility/ml_earthscience_na/page_392.pdf):

"RH = \\dfrac{Actual\\space humidity}{Maximum \\space humidity}\\times 100\\%"

where "Maximum \\space humidity" is the maximum gramms of water that one kilogram of air can hold at given temperature (units "g\/kg" ). For temperature "25\\degree C", have (see https://www.engineeringtoolbox.com/humidity-ratio-air-d_686.html):

"Maximum \\space humidity = 19.8\\space g\/kg"

Thus, the "Actual\\space humidity" is:

"Actual\\space humidity = \\dfrac{RH\\times Maximum \\space humidity}{100\\%} = \\dfrac{40\\%\\times 19.8}{100\\%}=\\\\\n=7.92\\space g\/kg"

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!