How is vapor pressure related to a rise in boiling point of a solution?
Understand the Problem
The question is asking how vapor pressure relates to the rise in the boiling point of a solution, which involves concepts from physical chemistry.
Answer
Vapor pressure lowering raises the boiling point.
Vapor pressure lowering causes a solution to require a higher temperature to reach 1 atm, thus increasing its boiling point.
Answer for screen readers
Vapor pressure lowering causes a solution to require a higher temperature to reach 1 atm, thus increasing its boiling point.
More Information
When a non-volatile solute is added, the solvent's surface area decreases, lowering its vapor pressure. This requires more heat to reach the boiling point.
Tips
Avoid confusing vapor pressure lowering with an increase in boiling point due to heat; they are related but distinct phenomena.
Sources
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