Given: T = 35°C and ? = 90%. Find ?. Assume Patm = 100 kPa. (Use equations.)
A) 72.3%
B) 72.9%
C) 73.6%
D) 74.3%
D) 74.3%
The vapor pressure, using Pg = 5.628 kPa from Table C-1, is Pv = Pg? = 5.628×0.9 = 5.065 kPa.
Then we have
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