Water Flashcards
1
Q
Water is a …… molecule
A
Polar
2
Q
Molecules can be organized into two general classes depending on how they interact with water. Name them
A
Hydrophilic
Hydrophobic
3
Q
A hydrogen bond forms between two water molecules
True or false
A
True
4
Q
Hydrogen and covalent bonds
Which is stronger
A
Covalent
5
Q
The property of water that allows ice to float and also prevents lakes and rivers from freezing is caused by ………. Bonds
A
Hydrogen
6
Q
The property of water that describes attraction between molecules is called
A
Cohesion
7
Q
The measure of the concentration of protons in a solution is
A
PH
8
Q
pH is calculated by the formula
A
pH= log[H^+]
9
Q
Why are lakes, ponds and rivers slightly acidic
A
Carbon dioxide from the air dissolves in the water and forms carbonic acid
