Unit 3 Solutions, Acids, and Bases

If you wanted to design an experiment to show that the solubility of sugar in tea varies according to the temperature, what variable would remain constant?

• Volume of tea

• Concentration of tea

• Temperature of the tea

• Amount of sugar dissolved

Sugar is added to tea to make sweet tea. In chemical terms the sugar is the ___________ and the tea (mostly water) is the ___________

• endothermic, exothermic.

• chemical, dissolution.

• reactant, product.

• solute, solvent.

What is a measurement of the amount of solute that is dissolved in a given quantity of solvent?

• acidity

• concentration

• conductivity

• solvation

How does crushing a cube of solute increase the rate of dissolving?

• By increasing the amount of solvent.

• By decreasing the amount of solvent.

• By increasing the surface area of the solute.

• By decreasing the surface area of the solute.

Jake wants to quickly dissolve Gatorade in a pitcher. What would help Jake INCREASE the rate at which his Gatorade dissolves?

• adding sugar

• cooling the mixture

• adding more Gatorade

• stirring the mixture

Which is an example of a solution?

• air

• oxygen

• salt

• water

In a solution, the parts of the solution are mixed

• chemically.

• physically.

• only in water.

• by electronic means.

After tasting the salt in the ocean water on a visit to the beach one day, you recall from chemistry class that the salt is the __________________ in the ocean water.

• solid

• solute

• solution

• solvent

Adding powdered Gatorade to water makes a tasty solution. What is the solvent in this example?

• water

• salt and sugar

• Gatorade liquid

• Gatorade powder

Identify the case where water is NOT the solvent.

• iced tea

• Kool-Aid

• humid air

• soapy water