Calculating Styrene Amount in Liquid/Vapor Phase

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Discussion Overview

The discussion centers on calculating the amounts of styrene in both the liquid and vapor phases within a tank, given specific temperature and pressure conditions. Participants explore the necessary parameters and methods for this calculation, including references to relevant laws.

Discussion Character

  • Technical explanation
  • Mathematical reasoning
  • Exploratory

Main Points Raised

  • One participant inquires about the possibility of calculating the amounts of styrene in both phases given the vapor pressure at a specific temperature and pressure.
  • Another participant suggests that the mass of styrene, specific volumes of liquid and vapor, and the volume of the tank are necessary for the calculations.
  • A further contribution mentions that the tank is 50,000 gallons and is approximately 65% full of liquid styrene, questioning whether the volume of vapor styrene or just the empty volume above the liquid is needed for the calculation.
  • Another participant recommends checking Raoult's and Henry's laws as they may provide useful insights for the calculations.

Areas of Agreement / Disagreement

Participants express varying viewpoints on the necessary parameters for the calculations, and there is no consensus on the specific approach to take or the exact information required.

Contextual Notes

Participants have not resolved how to handle the volume of vapor styrene or the implications of the tank's specific conditions on the calculations.

sahilk
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Guys..I once again turn to your help.

There is a certain amount of styrene in a tank at a certain temperature and pressure. i have vapor pressure for styrene at that temp. Can I calculate the amount of styrene in vapor phase and the amount in liquid phase? If so, how?

Thanks.
 
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One would need the mass of styrene, the specific volumes of liquid and vapor at the given temperature and pressure, and the volume of the tank.
 
Astronuc said:
One would need the mass of styrene, the specific volumes of liquid and vapor at the given temperature and pressure, and the volume of the tank.

I can calculate the mass of liquid styrene. The tank is 50,000 gallons with about 65% full with liquid styrene. Do we need the volume of vapor styrene? or just the empty volume above the styrene. I want to calculate the volume of vapor styrene..so I obviously don't have that.
 
Check for Raoult and Henry's law, this will help you!
 

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