Chapter 3

Question 1

Polar Covalent Bonds

Answer 1

Unequal Sharing of electrons

Question 2

Non Polar Covalent Bonds

Answer 2

Equal Sharing of electrons

Question 3

Cohesion

Answer 3

Hydrogen bonds that hold water molecules together

Question 4

Adhesion

Answer 4

The clinging of one substance to another water and cell walls help water fight gravity

Question 5

Kinetic Energy

Answer 5

The energy of motion

Question 6

Heat is

Answer 6

Energy

Question 7

Calorie

Answer 7

amount of heat it takes to raise the temp of 1 gram by 1 degree C

Question 8

Specific Heat

Answer 8

The amount of heat that must be absorbed or lost for a g of that substance to change its temp by 1 degree C

Question 9

Heat of Vaporization

Answer 9

Quantity of heat a liquid must absorb for 1 g of it to be converted from the liquid to gaseous state

Question 10

Evaporative cooling

Answer 10

as liquid evaporates the surface of the liquid that remains behind cools down

Question 11

Hydration Shell

Answer 11

Sphere that the water molecules surround a dissolved ion

Question 12

Colloid

Answer 12

a stable suspension of fine particles in a liquid