Water And Life Flashcards
1
Q
What molecule supports all life on earth
A
Water
2
Q
Why is water more “sticky” than other fluids
A
Water can form hydrogen bonds with four adjacent water molecules
3
Q
Cohesion is
A
When the the water molecules stick to each other
4
Q
The hydrogen bonds in water take what to make or break it
A
Energy
5
Q
The amount of heat that is needed to be absorbed or lost for 1g of that substance esto change by 1celsius is called what
A
Specific heat
6
Q
A calorie is what
A
The energy needed to heat 1g of water by 1 Celsius
7
Q
What happens to hydrogen bonds when water freezes
A
Water gets locked in place
8
Q
Water molecules form what around charged ions
A
Hydration shells
9
Q
Non polar substance perder to associate with
A
Other non polar substances
