7 Flashcards
0
Q
An acid is a substance that
A
Releases a hydrogen ion in solution
1
Q
Not a major constituent of seawater
A
Nitrite
2
Q
A solution is an acid when
A
It has an access of hydrogen ions
3
Q
Ocean is buffered
A
Can’t get too acidic or too alkaline
4
Q
Photosynthesis is
A
Main way oxygen enters seawater
5
Q
Average salinity is about
A
3.5%
6
Q
In water an increase in salinity results in a
A
Decrease in heat capacity and a decrease in freezing point
7
Q
In water an increase in salinity results in a
A
Decrease in evaporation rate and an increase in osmotic pressure
8
Q
Most gasses enter the ocean from
A
The sea surface. They dissolve in cold water
9
Q
The ion that has the longest residence time
A
Chloride
10
Q
A solution with a ph of 3 is
A
Acidic
