How Much Solvent is Used in Moles for a Reaction in a Closed Vessel at 80°C?

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SUMMARY

The discussion centers on calculating the amount of solvent used in moles for a reaction in a closed vessel at 80°C, involving liquids A and B with initial concentrations of [A]=0.1 mol/L and [B]=1.0 mol/L. The reaction reaches 80% conversion, and the partial pressure of water at the end is 0.1 bar. Utilizing the Antoine equation is crucial for determining the solvent's moles, given the gas phase volume of 2L and the total vessel volume of 5L.

PREREQUISITES
  • Understanding of physical chemistry concepts, particularly reaction equilibria.
  • Familiarity with the Antoine equation for vapor pressure calculations.
  • Knowledge of molarity and conversions between moles and volume.
  • Basic principles of gas laws in closed systems.
NEXT STEPS
  • Study the Antoine equation and its application in calculating vapor pressures.
  • Learn about reaction equilibria and conversion percentages in chemical reactions.
  • Explore gas laws, particularly how they apply to closed systems and partial pressures.
  • Review calculations involving molarity and how to convert between volume and moles.
USEFUL FOR

This discussion is beneficial for chemistry students, particularly those studying physical chemistry, as well as educators and tutors looking for problem-solving strategies in reaction kinetics and equilibrium.

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[SOLVED] Physical chemistry problem

Homework Statement


A closed vessel of 5L volume is kept at 80 degrees celsius and contains a mixture of two liquids A and B dissolved in a solvent, with their initial concentrations [A]=0.1mol/L and =1.0mol/L. The volume of the gas phase is 2L and it initially contains only nitrogen.

Liquids A and B react as follows

A+B <--> C+D

where D is water. It is known the reaction reaches 80% conversion, all liquid components are miscible and only water is volatile.

If the partial pressure of water in the vessel at the end of the reaction is 0.1 bar, calculate the amount of solvent used in moles.

Note: You may need to use the Antoine equation.



Homework Equations





The Attempt at a Solution


Well I'm really stuck with this problem, don't really know where to start - some (any!) guidance would be greatly appreciated.
 
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After asking my tutor i now know how to work this out.
 

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