Methanol has a vapor pressure of 13.02 kPa at 20 °C. If a liquid waste stream has a mole fraction of 0.9 mole fraction glycerol and 0.1 mole fraction methanol, c. What is the vapor pressure of methanol above (in equilibrium with) the mixture? (assume these two molecules are so similar that the activity coefficient is unity (1) for both species) d. What is the vapor pressure of glycerol above (in equilibrium with) the mixture? (assume these two molecules are so similar that the activity coefficient is unity (1) for both species) 1 atmosphere = 760 mm Hg = 101.3 kPa

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Methanol is used in the manufacturing of biodiesel and can also end up in the waste liquid with the by-
products.
Methanol
H-C-OH
H
Methanol has a vapor pressure of 13.02 kPa at 20 °C. If a liquid waste stream has a mole fraction of 0.9
mole fraction glycerol and 0.1 mole fraction methanol,
c. What is the vapor pressure of methanol above (in equilibrium with) the mixture? (assume these
two molecules are so similar that the activity coefficient is unity (1) for both species)
d. What is the vapor pressure of glycerol above (in equilibrium with) the mixture? (assume these
two molecules are so similar that the activity coefficient is unity (1) for both species)
1 atmosphere = 760 mm Hg = 101.3 kPa
R = 0.082 (L-atmos) 7 (K mole ) = 8.3145 J/ (mole K)
I.
HICIH
Transcribed Image Text:Methanol is used in the manufacturing of biodiesel and can also end up in the waste liquid with the by- products. Methanol H-C-OH H Methanol has a vapor pressure of 13.02 kPa at 20 °C. If a liquid waste stream has a mole fraction of 0.9 mole fraction glycerol and 0.1 mole fraction methanol, c. What is the vapor pressure of methanol above (in equilibrium with) the mixture? (assume these two molecules are so similar that the activity coefficient is unity (1) for both species) d. What is the vapor pressure of glycerol above (in equilibrium with) the mixture? (assume these two molecules are so similar that the activity coefficient is unity (1) for both species) 1 atmosphere = 760 mm Hg = 101.3 kPa R = 0.082 (L-atmos) 7 (K mole ) = 8.3145 J/ (mole K) I. HICIH
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