CH.2 Chemistry of Water Flashcards
1
Q
chemical composition of water
A
polar covalent between 2 hydrogen and 1 oxygen
O becomes electronegative
2
Q
properties of water
A
because of their polarity, they attract each other forming hydrogen bonds
3
Q
Biological importance of water
A
- Main constitute of body
- universal solvent
- metabolic reactions
- lubricant, cleaner, and transporter
- regulates body and air temp.
4
Q
percentage of body weight that is water
A
Infants = 80%
Adult male = 60%
Adult women = 50%
can be as low as 45% in some people
5
Q
calculate how much water is in you
A
one litre of water is 0.6kg
80 x 0.6 = 48L of water
6
Q
Distribution of water in body
A
2/3 intracellular (IF)
1/3 Extracellular fluid (ECF)
- ECF is broken down into interstitial fluid and plasma
