Intermolecular forces and boiling point

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SUMMARY

Intermolecular forces significantly influence the boiling point of hydrochloric acid (HCl) solutions, particularly those below 20%, which exhibit a higher boiling point than water due to dipole interactions. The discussion highlights that dissolving HCl in water is an exothermic reaction. A key question raised pertains to whether ions in an electrolyte, such as HCl, absorb heat when a charged surface is grounded, suggesting that thermal energy may be required for ions to disperse and reform intermolecular forces.

PREREQUISITES
  • Understanding of intermolecular forces, specifically dipole interactions.
  • Knowledge of exothermic reactions and their implications.
  • Familiarity with electrolytes and their behavior in conductive environments.
  • Basic principles of thermodynamics related to heat absorption and energy transfer.
NEXT STEPS
  • Research the role of dipole interactions in boiling point elevation.
  • Study the thermodynamics of exothermic reactions, particularly in aqueous solutions.
  • Explore the behavior of ions in electrolytes when subjected to electric fields.
  • Investigate the principles of heat absorption during ion dispersion in conductive materials.
USEFUL FOR

Chemistry students, researchers in physical chemistry, and professionals studying thermodynamic properties of solutions will benefit from this discussion.

Samson4
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I've come to understand that intermolecular forces cause the boiling point of hydrochloric acid solutions below 20% to be higher than the boiling point of water. I also understand that dissolving hcl in water is an exothermic reaction. But, what about those intermolecular forces. I assume they are dipole interactions.

My question: If ions in an electrolyte like hydrochloric acid are made to collect on a charged surface, will they absorb heat when the charged surface is grounded? I think they will because, as they spread out and homogenize, they will reform the interactions that require heat to break. Is this correct?
 
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Come again? "Absorb heat when the charged surface is grounded?"
 
When a conductor is charged in an electrolyte; ions move towards the conductor. When the conductor is grounded, the ions disperse in the electrolyte. I am asking if thermal energy is needed for the ions to disperse and establish intermolecular forces.
 

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