a Calculate the concentrations of naphtalene and carbon...

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ECH 152B, Winter 2014, Roland Faller Solution for Homework Aspen 3, March 16, 2014 1. (a) Calculate the concentrations of naphtalene and carbon dioxide in the pres- ence of solid carbon dioxide at 353 K and 30.4 Mpa. l 12 = 0 . 088. Apply the Soave/Redlich/Kwong equation of state. The saturation pressure of solid CO 2 is 1.033 kPa and its density is 1.6 g/cm 3 (b) Using Aspen Plus calculate the concentrations in the gas in the presence of both solids (if both stable, so determine the sublimation pressures at the di erent temperatures first) between 200 K and 400 K and pressures between 100 kpa and 10 MPa. Solution

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