L47 Factors affecting solubility

In a gas to liquid mixture, an increase in temperature means...

• increase in solubility
• decrease in solubility

True or false: The smaller the particle size(large surface area per unit volume) means...

• increase in solubility
• decrease in solubility

Which will dissolve faster crushed table salt or crystal of table salt?

• crushed table salt
• crystal of table salt

Stirring the solution increases or decreases the solubility?

• increases
• decreases

In a solid to liquid mixture, an increase in temperature means...

• increase in solubility
• decrease in solubility

Solutions of ammonia (NH₃) and water can be purchased at most grocery stores. What best explains why ammonia can dissolve in water?

• Ammonia is a polar covalent compound.

• Ammonia is a nonpolar covalent compound.

• Ammonia is an ionic compound.

• Pure ammonia is a solid at room temperature.

Which of the following would result in being able to dissolve a greater amount of solid in a solution?

• Lower the temperature.

• Decrease the pressure of the solution.

• Increase the pressure of the solution.

• Heat the solution.

Which of the following would result in being able to dissolve a greater amount of gas in a solution?

• Lower the temperature of the solution.

• Decrease the pressure of the solution.

• Stir the solution.

• Heat the solution.

What happens to the ability of a solid to dissolve when temperature decreases?

• There is no change in the solubility of the solid.

• The solubility of most solids will increase.

• The only factor that affects the solubility of a solid is polarity.

• The solubility of most solids will decrease.

Decreasing the pressure of gases in liquids means...

• increase in solubility

• decrease in solubility