Podcast
Questions and Answers
What does Raoult's Law describe?
What does Raoult's Law describe?
- The freezing point depression of a solution
- The effect of temperature on boiling point elevation
- The relationship between solvent concentration and vapor pressure in a solution (correct)
- The process of solvent escaping to the vapor phase
In ideal solutions, what is assumed about substances regarding Raoult's Law?
In ideal solutions, what is assumed about substances regarding Raoult's Law?
- Each substance will follow Raoult's Law exactly (correct)
- Only the solute will follow Raoult's Law
- They will not follow Raoult's Law
- The boiling point of the solvent will decrease
What is the van't Hoff factor, i, related to when calculating boiling-point elevation and freezing-point depression?
What is the van't Hoff factor, i, related to when calculating boiling-point elevation and freezing-point depression?
- Boiling point and freezing point constants
- Solvent concentration
- Molality
- Number of particles present on dissolution (correct)
How does the presence of a nonvolatile solute affect the vapor pressure of a solvent according to Raoult's Law?
How does the presence of a nonvolatile solute affect the vapor pressure of a solvent according to Raoult's Law?
What happens to the freezing point of a solution compared to the freezing point of the pure solvent?
What happens to the freezing point of a solution compared to the freezing point of the pure solvent?
Which property requires higher temperatures to reach atmospheric pressure in solutions?
Which property requires higher temperatures to reach atmospheric pressure in solutions?
What is the relationship between the change in temperature and molality in boiling-point elevation and freezing-point depression?
What is the relationship between the change in temperature and molality in boiling-point elevation and freezing-point depression?
What does Raoult’s Law say about the vapor pressure of a volatile solvent over a solution containing a nonvolatile solute?
What does Raoult’s Law say about the vapor pressure of a volatile solvent over a solution containing a nonvolatile solute?
What happens to the boiling point in solutions compared to the pure solvent?
What happens to the boiling point in solutions compared to the pure solvent?
How does a phase diagram for a solution confirm freezing point and boiling point changes?
How does a phase diagram for a solution confirm freezing point and boiling point changes?
