Chapter 3 Water

1. water is polar

1.1. why?

1.1.1. structure of water

1.1.2. unequal sharing of electrons

1.1.3. charged areas

1.2. effect

1.2.1. opposites attract

1.2.2. Hydrogen bonds form between water molecules

2. 4 unique properties due to polarity

2.1. cohesion/adhesion

2.1.1. what is it?

2.1.1.1. cohesion

2.1.1.2. adhesion

2.1.2. why is it important?

2.2. moderation of temperature

2.2.1. what is it?

2.2.1.1. specific heat

2.2.1.2. changing temperature

2.2.2. why is it important?

2.2.2.1. moderation of air temperature

2.2.2.2. bodies of water = stable temp.

2.2.2.3. evaporative cooling

2.3. expansion upon freezing

2.3.1. what is it?

2.3.1.1. liquid water

2.3.1.2. 4 degree (Celsius) water

2.3.1.3. solid water (ice)

2.3.2. why is it important?

2.3.2.1. ice floats

2.3.2.2. insulates water underneath

2.4. versatility as a solvent

2.4.1. what is it?

2.4.1.1. water is polar

2.4.1.2. "universal" solvent

2.4.2. why is it important?