Water Flashcards
(8 cards)
1
Q
What is made up of 60% of the cell?
A
- H2O
2
Q
What does Cohesion mean?
A
- Water hydrobonds to itself
3
Q
What does Adhesion mean?
A
- Water sticking to other things
4
Q
Is it a low specific heat or High?
A
- Water is high specific heat which helps maintain body temp
5
Q
What happens if body temp is too high?
A
- Cells may die
6
Q
What is less dense Water as a liquid or solid?
A
- Liquid form
7
Q
Why does ice float?
A
- Solid water is less dense than liquid water
- Hydrogen binds space the water molecules
8
Q
Why does salt dissolve in water? What is the chemical interaction between water and salt that leads to ionization?
A
- Salt is made up of tiny crystals of sodium/chloride ions which have Opp electric charges
- The ions that form the solid one react into solution when one of the solids dissolves in water
