Final Exam Review- Unit 1 & 2

Chemistry is

• The study of friction and force
• The study of solids, liquids and gasses
• The study of life and behavior of animals on the planet
• The study of matter and the changes that matter undergoes

A solution that has a uniform appearance is a

• unsaturated solution
• heterogenous solution
• homogenous solution
• saturated solution

A solution that has a nonuniform appearance is a

• unsaturated solution
• heterogenous solution
• homogenous solution
• saturated solution

Pure water freezes at (a)   ℃

Pure water freezes at (a)   ℉

adding salt to water depresses or lowers the freezing point below zero

• depresses or lowers the freezing point below zero Fahrenheit.
• elevates or increases the freezing point above zero Celsius.
• depresses or lowers the freezing point below zero Celsius.
• elevates or increases the freezing point above zero Fahrenheit.

When you remove heat from water (or any substance),

• the molecules slow down.
• the molecules speed up.
• All of the above
• None of the above

In a solid, the molecules do not move.

• True
• False

Blood has lower intermolecular forces acting on it than air

• True
• False

Which of the following has the strongest intermolecular force?

• Carbon Dioxide (CO2)
• Water (H20)