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Formulation based on Page 31, Equation 1.7 of Air Pollution Control by C. David Cooper and F.C. Alley, Third Edition.
Gas constant R is set to 0.00831447 m3 kPa/mol K
MAKE SURE NUMBERS "MAKE SENSE" For example, if you calculate the pressure in some pipe somewhere to be 7000 atmospheres (!!!), CHECK YOUR WORK!
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