The gas constant R has the value 287 J/Kg * K for dry air. Using the ideal gas law (P = Pan RT): a.) Find the density of dry air at 72.05 °F with a pressure of 1095 mb. b.) Find the density of molst air at the same pressure and temperature if the relative humidity is 60%. HINT: (for a) stick with Si units (for b) Find e, given T(see lecture slides). Find e given RH. Find ps from: P 0.378e 0.378e Pmoist = 1 RT Pmoist = Pary %3D or P

University Physics Volume 2
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Chapter2: The Kinetic Theory Of Gases
Section: Chapter Questions
Problem 70P: Using a numerical integration method such as Simpson's rule, find the fraction of molecules in a...
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The gas constant R has the value 287 J/Kg * K for dry air. Using the ideal
gas law (P = PanyRT):
a) Find the density of dry air at 72.05 "F with a pressure of 1095 mb.
b.) Find the density of molst air at the same pressure and temperature if the
relative humidity is 60%.
HINT: (for o) stick with Si units (for b) Find e, given T(see lecture slides). Find e given RH. Find pos from:
P
0.378e
0.378e
Pmoist
1
or
Pmoist = Pary
RT
P
Transcribed Image Text:The gas constant R has the value 287 J/Kg * K for dry air. Using the ideal gas law (P = PanyRT): a) Find the density of dry air at 72.05 "F with a pressure of 1095 mb. b.) Find the density of molst air at the same pressure and temperature if the relative humidity is 60%. HINT: (for o) stick with Si units (for b) Find e, given T(see lecture slides). Find e given RH. Find pos from: P 0.378e 0.378e Pmoist 1 or Pmoist = Pary RT P
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