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Mixtures and Solutions

Question 7 • HCISD-Integrated Physics and Chemistry A-CR SUMMER

How do different factors affect solubility? Check all of the boxes that apply.

Answer
A
Increasing temperature decreases the solubility of gases.
B
Stirring increases the solubility of solids.
C
Increasing pressure increases the solubility of liquids.
D
Decreasing temperature decreases the solubility of solids.
E
Increasing pressure increases the solubility of gases.
F
Decreasing the amount of solvent decreases the solubility of solids, liquids, and gases.

Explanation

For most solid solutes, lowering the temperature lowers their solubility, while raising the temperature usually increases it. Gases behave oppositely: warming a liquid decreases how much gas dissolves, and increasing pressure increases gas solubility. Stirring changes how quickly a solid dissolves, not its solubility; changing the amount of solvent also does not change the solubility itself.

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