Water section

What is Density?

• A measure of the amount of mass in a volume of substance

• A measure of the amount of volume in a substane

• The energy needed to change from a liquid to a gas

Heat of vaporization is...

• The heat needed to create surface tension

• A Measure of the force necessary to stretch or break the surface of a liquid

• The energy needed to change from a liquid to a gas

Surface Tension is A Measure

of the force necessary to stretch

or break the surface of a liquid

• True
• False

Cohesion is...

• Water molecules sticking to each other

• Water molecules sticking to other molecules

Adhesion is...

• Water molecules sticking to other molecules

• The ability water has to flow upward against the force of gravity, due to cohesion and adhesion

• An attraction between the positive hydrogen atom and the negative oxygen atom in water

Capillary Action is

The ability water has to flow upward

against the force of gravity,

due to cohesion and adhesion

• True
• False

Hydrogen bonding is...

• An attraction between the positive hydrogen atom and the negative oxygen atom in water

• A molecule with positively and negatively charged regions

Polar Molecule is...

• A molecule with positively and negatively charged regions

• A polar bear

• A molecule freezing