Ocean Chemistry
Dissolved minerals and salts come from this ocean feature
What are hydrothermal vents?
The area on the planet with the highest diversity of organisms.
Coral reefs.
The measurement of the pressure of the ocean.
Atmospheres
The average pH of the ocean.
8.0-8.3
What type of relationship exists between temperature and pressure?
What is inverse?
The measure of suspended particles and dissolved materials in water is known as what?
Oceans are vital to the earth given their role in the removal of this gas
CO2
The measurement of oxygen in the water is known as what?
Dissolved oxygen.
Buffering.
What type of relationship exists between salinity and temperature?
Direct
This ocean environment has water with the lowest turbidity.
Coral reefs.
The decrease in ocean pH is caused by an increase of what ions generated during ocean buffering?
Hydrogen ions (H+)
The measurement of the amount of salt in water. What is the average salinity of ocean water in parts per thousand? How is this represented as a percentage?
a) Salinity
b) 35PPT
c) 3.5%
Hydroxide (OH+) and Hydrogen (H+)
What is the effect of increased temperature on dissolved oxygen?
Decreased concentration
Light can pass through phytoplankton blooms but the blooms decrease the available light to organisms below. What causes the decreased light through a plankton bloom?
Increased light scatter.
Name for bonds between water molecules
What are hydrogen bonds?
Which direction does the buoyant force point? How can this be described in relation to gravity? If something is less dense than the fluid in which it is floating, what will usually happen?
a) Up.
b) Opposite.
c) It will float.
Having higher hydroxide ions than hydrogen ions results in what type solution?
basic
Na+ and Cl- make up this many percent of dissolved salts in seawater
What is 85%?
Corals are considered photosynthetic but are not photosynthetic on their own. They are able to use sunlight through a mutualistic relationship with what organism?
zooxanthellae (dinoflagellate)
Which of the gas dissolves easiest in water? Oxygen or Carbon Dioxide?
What is Carbon Dioxide?
The measurement of the available light for photosynthesis.
Photosynthetically active radiation (PAR).
Increases in CO2 levels in the ocean leads to an increase of this which leads to the breakdown of this compound found in shells.
What is CH3O2 (carbonic acid) and CaCO3 (calcium carbonate)?