Question 1

Which of the following chemicals is commercially extracted from seawater?

Accepted Answer

A)   Sulfur
B)   Gold
C)   Manganese
D)   Bromine
E)   PhosphateF) C) and D)
G) A) and D)

Question 2

In order to change the pH of water by one integer number (from 7 to 8 or from 8 to 7 for instance)  you would have to change the concentration of the hydrogen ion by a factor of

Accepted Answer

A)   1000.
B)   500.
C)   100.
D)   50.
E)   10.F) B) and C)
G) A) and B)

Question 3

The relative molar abundance of carbon, nitrogen, and phosphorus in marine phytoplankton can be expressed in a relationship called the ________ ratio.

Accepted Answer

The answer of The relative molar abundance of carbon, nitrogen,...

Question 4

Carbon dioxide concentrations in seawater increase with depth.

Accepted Answer

A) True 
 B)False

Question 5

Anoxic water contains too much oxygen.

Accepted Answer

A) True 
 B)False

Question 6

The average salinity of the oceans is about ______ parts per thousand (‰) .

Accepted Answer

A)   30
B)   35
C)   37
D)   40
E)   45F) B) and D)
G) B) and C)

Question 7

The dissolving ability of water is related to

Accepted Answer

A)   attraction between the water molecule's positive and negative charges and charges on other atoms.
B)   its ability to form hydrogen bonds with other molecules.
C)   its ability to transmit energy from water molecule to water molecule.
D)   attraction between the water molecule's positive and negative charges and charges on other atoms and its ability to form hydrogen bonds with other molecules.
E)   attraction between the water molecule's positive and negative charges and charges on other atoms, its ability to form hydrogen bonds with other molecules, and its ability to transmit energy from water molecule to water molecule.F) A) and B)
G) All of the above

Question 8

Salinity may be measured by checking the water's

Accepted Answer

A)   viscosity.
B)   temperature.
C)   conductivity.
D)   pressure.
E)   surface tension.F) A) and B)
G) A) and C)

Exam 5: Seawater

The average salinity of the oceans is about ______ parts per thousand (‰) .

Correct Answer
verified

In order to change the pH of water by one integer number (from 7 to 8 or from 8 to 7 for instance) you would have to change the concentration of the hydrogen ion by a factor of

Correct Answer
verified

Anoxic water contains too much oxygen.

Correct Answer
verified

The relative molar abundance of carbon, nitrogen, and phosphorus in marine phytoplankton can be expressed in a relationship called the ________ ratio.

Correct Answer
verified

Carbon dioxide concentrations in seawater increase with depth.

Correct Answer
verified

Salinity may be measured by checking the water's

Correct Answer
verified

The dissolving ability of water is related to

Correct Answer
verified

Which of the following chemicals is commercially extracted from seawater?

Correct Answer
verified

Exam 5: Seawater

The average salinity of the oceans is about ______ parts per thousand (‰) .

Correct AnswerverifiedShow Answer

In order to change the pH of water by one integer number (from 7 to 8 or from 8 to 7 for instance) you would have to change the concentration of the hydrogen ion by a factor of

Correct AnswerverifiedShow Answer

Anoxic water contains too much oxygen.

Correct AnswerverifiedShow Answer

The relative molar abundance of carbon, nitrogen, and phosphorus in marine phytoplankton can be expressed in a relationship called the ________ ratio.

Correct AnswerverifiedShow Answer

Carbon dioxide concentrations in seawater increase with depth.

Correct AnswerverifiedShow Answer

Salinity may be measured by checking the water's

Correct AnswerverifiedShow Answer

The dissolving ability of water is related to

Correct AnswerverifiedShow Answer

Which of the following chemicals is commercially extracted from seawater?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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