5.4 Matter

Front

What is the process called when a solid dissolves in a liquid?

Back

Dissolution.

Front

What is a solution?

Back

A homogeneous mixture of two or more substances.

Front

What happens to the molecules of a solid when it dissolves in a liquid?

Back

The molecules of the solid separate and disperse among the molecules of the liquid.

Front

What is a compound?

Back

A substance formed when two or more elements chemically combine.

Front

What is the effect of temperature on the solubility of solids in liquids?

Back

Generally, the solubility of solids increases with an increase in temperature.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a physical combination of substances, while a compound is a chemical combination of elements.

Front

What is the state of water at 0 degrees Celsius?

Back

Water can exist as both a solid (ice) and a liquid.

Front

What is the process called when a liquid turns into a gas?

Back

Evaporation.

Front

What is the term for the amount of solute that can dissolve in a given amount of solvent at a specific temperature?

Back

Solubility.

Front

What happens to sugar when it is added to hot tea?

Back

The sugar dissolves faster in hot tea than in cold tea.