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Adding a solute in a liquid the vapor pressure is lowered.

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8y ago
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13y ago

vapour pressure decreases..

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Q: How does adding a solute affect the vapor pressure?
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What will adding solute to pure solvents cause?

Adding a solute to a pure solvent will lower the freezing point, elevate the boiling point, and lower the vapor pressure.


What happens to vapor pressure as more solute such as sugar is added to a solution?

The vapor pressure decreases


How can the boiling point of a liquid be raised without adding soluble impurity?

The boiling point of a liquid is the temperature at which the vapor pressure of the liquid equals the atmospheric pressure, or the pressure above the liquid. So, to increase the boiling point without adding a solute, one can increase the pressure above the liquid.


How does the addition of solute affect freezing and boiling point and vapor pressure on a solvent?

A non-volatile solute affects increases osmotic pressure. This is a colligative property. There will be a higher osmotic pressure required to prevent the solvent from flowing into the solution because the solvent has a higher chemical potential without solute in it.


Information for does water with salt evaporate faster than plain water?

Adding a solute, like salt, to a solvent, like water, changes a few physical properties, some of which have to do with evaporation. Adding a solute reduces vapor pressure, preventing some water molecules from escaping from a liquid to a gas. Adding a solute also increases boiling point. So salt water would evaporate more slowly than pure water.


What are the three properties of a solution?

1. Vapor pressure lowering: the decrease in vapor pressure with increasing the number of solute molecules in solution. 2. Boiling point elevation: the increase in boiling point with increasing number of solute molecules in solution. 3. Freezing point depression: the decrease in freezing point with increasing number of solute molecules in solution. 4. Osmotic pressure


What are the properties of a colligative property?

1. Vapor pressure lowering: the decrease in vapor pressure with increasing the number of solute molecules in solution. 2. Boiling point elevation: the increase in boiling point with increasing number of solute molecules in solution. 3. Freezing point depression: the decrease in freezing point with increasing number of solute molecules in solution. 4. Osmotic pressure


What factors affect the rate of evaporation?

Temperature, Pressure, Humidity (vapor pressure)


What are the factors affect air pressure?

Three factors that affect air pressure are temperature, altitude, and water vapor.


How does temperature affect vapor pressure?

Vapor pressure increases with temperature. As the temperature increases ,molecules of liquid find it easier to escape.


What are factors affecting the reid vapor pressure of an oil?

The amount of light components in the oil affect the reid vapor vapor pressure. In petroleum products such as gasoline, the amount of butane in the gasoline blend has a strong affect on the Reid Vapor Pressure. To reduce RVP more stripping steam can be added to the product strippers. The fractionation in the debutanizer might also need to be adjusted to affect the RVP.


A reduction of vapor pressure occurs with the addition of a nonvolatile solute to a solvent because?

There are fewer solvent molecules at the surface that can evaporate.