Unit 2 - Water as a Unique Chemical

Question 1

Intermolecular Bond

Answer 1

bonding between molecules

Question 2

Intramolecular Bond

Answer 2

bonding within atoms

Question 3

Why does ice expand when frozen?

Answer 3

when it begins to freeze forms a hexagonal pattern which takes up more space causing it to expanf

Question 4

Heat Capacity

Answer 4

amount of heat required to raise the heat temperature of an object by 1 degrees Celsius

Question 5

Specific Heat Capacity

Answer 5

amount of heat required to raise 1 unit of a substance by 1 degrees Celsius
heat energy = mass x specific heat energy x temperature change

Question 6

Kelvin

Answer 6

unit of measurement for temperature 0 degrees celsius = 273.15 K

Question 7

Latent Heat

Answer 7

heat required to change a substances sate of matter
latent heat = energy released/ mass

Question 8

Latent Heat of Fusion

Answer 8

heat required to change from solid to liquid

Question 9

Latent Heat of Vaporisation

Answer 9

heat required to change from liquid to gas