Water

Question 1

Define specific heat capacity:

Answer 1

The amount of energy needed to raise 1kg of a substance by 1 degree.

Question 2

Define latent heat capacity:

Answer 2

The heat energy needed to vaporise a liquid. (Turn it from a liquid to a gas.)

Question 3

Define polar:

Answer 3

Molecules that share an unequal amount of electrons amount atoms.

Question 4

Describe the bonding between water

Answer 4

Covalent bond between oxygen and hydrogen in molecule
Negatively charged oxygen of one atom is attracted to positively charged hydrogen of another atom (hydrogen bond)

Question 5

Properties of water

Answer 5

1. Water is a good solvent
2. Water has a high specific heat capacity
3. Water has a high latent heat of vapourisation