Question 1

What is the origin of the salt ions in seawater?

Accepted Answer

The sources of salt ions in se

Question 2

The phase in which water exists is determined by:

Accepted Answer

A)  density and pressure. 
B)  density and salinity. 
C)  pressure and salinity. 
D)  temperature and pressure. 
E)  temperature and salinity. 
A)  density and pressure. 
B)  density and salinity. 
C)  pressure and salinity. 
D)  temperature and pressure. 
E)  temperature and salinity.

Question 3

Water can pile up a short distance above a container's rim due to:

Accepted Answer

A)  high capillary action. 
B)  high surface tension. 
C)  high viscosity. 
D)  low surface tension. 
E)  low viscosity. 
A)  high capillary action. 
B)  high surface tension. 
C)  high viscosity. 
D)  low surface tension. 
E)  low viscosity.

Question 4

The surface tension of water:

Accepted Answer

A)  increases as density decreases. 
B)  is related to salinity. 
C)  is relatively high. 
D)  is relatively low. 
E)  is very similar to similar liquids. 
A)  increases as density decreases. 
B)  is related to salinity. 
C)  is relatively high. 
D)  is relatively low. 
E)  is very similar to similar liquids.

Question 5

Which property of water causes coastal communities to have only moderate differences in daily highs and lows when compared to inland communities?

Accepted Answer

A)  high heat capacity 
B)  high salinity 
C)  high viscosity 
D)  low heat capacity 
E)  low viscosity 
A)  high heat capacity 
B)  high salinity 
C)  high viscosity 
D)  low heat capacity 
E)  low viscosity

Question 6

Which of the following statements regarding pH is not true?

Accepted Answer

A)  A pH of 3.0 is acidic and a pH of 10.0 is alkaline. 
B)  As a whole, the pH of the ocean is slightly acidic. 
C)  Buffers prevent large changes in the pH of a solution. 
D)  pH will increase in areas of rapid plant or algal growth. 
E)  pH relates to relative acid-base ion balance in a solution. 
A)  A pH of 3.0 is acidic and a pH of 10.0 is alkaline. 
B)  As a whole, the pH of the ocean is slightly acidic. 
C)  Buffers prevent large changes in the pH of a solution. 
D)  pH will increase in areas of rapid plant or algal growth. 
E)  pH relates to relative acid-base ion balance in a solution.

Question 7

Salinity refers to all of the solid materials in seawater including dissolved and suspended substances.

Accepted Answer

A) True 
 B)False

Question 8

Hydrogen bonds form between neighboring water molecules because of:

Accepted Answer

A)  electron sharing. 
B)  electron transfer. 
C)  polarity of water molecules. 
D)  surface tension. 
E)  viscosity of water. 
A)  electron sharing. 
B)  electron transfer. 
C)  polarity of water molecules. 
D)  surface tension. 
E)  viscosity of water.

Question 9

Residence time:

Accepted Answer

A)  describes the solubility of salt ions in water. 
B)  determines the rate at which nutrients pass from one trophic level to another. 
C)  increases as water depth decreases. 
D)  is the average length of time that substances reside in the ocean. 
E)  relates the solubility of an ion to the rate at which it precipitates to form sediment deposits. 
A)  describes the solubility of salt ions in water. 
B)  determines the rate at which nutrients pass from one trophic level to another. 
C)  increases as water depth decreases. 
D)  is the average length of time that substances reside in the ocean. 
E)  relates the solubility of an ion to the rate at which it precipitates to form sediment deposits.

Question 10

A beaker contains a mixture of ice and pure water at 0ᵒC. What happens to the temperature of the mixture as heat is added?

Accepted Answer

A)  It immediately begins to rise slowly. 
B)  It remains constant until the ice melts then it begins to rise. 
C)  It rises rapidly as the ice melts. 
D)  It rises slowly until it reaches 32ᵒC then it remains constant as the ice melts. 
E)  The temperature pattern cannot be predicted. 
A)  It immediately begins to rise slowly. 
B)  It remains constant until the ice melts then it begins to rise. 
C)  It rises rapidly as the ice melts. 
D)  It rises slowly until it reaches 32ᵒC then it remains constant as the ice melts. 
E)  The temperature pattern cannot be predicted.

Question 11

Evaporation causes cooling in the residual liquid.

Accepted Answer

A) True 
 B)False

Question 12

Describe various methods used to desalinate seawater.

Accepted Answer

There are several methods used to desali

Question 13

Discuss how climatological processes affect seawater salinity.

Accepted Answer

Precipitation in the form of rain and sn

Question 14

Hydrogen bonds:

Accepted Answer

A)  decrease the density of frozen water. 
B)  give water a high capacity. 
C)  increase the boiling point of water. 
D)  increase the freezing point of water. 
E)  All of the above are true of hydrogen bonds in water. 
A)  decrease the density of frozen water. 
B)  give water a high capacity. 
C)  increase the boiling point of water. 
D)  increase the freezing point of water. 
E)  All of the above are true of hydrogen bonds in water.

Question 15

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases.
- Choose the one option that does not fit the pattern.

Accepted Answer

A) boiling point 
B) buffering capacity 
C) freezing point 
D) heat capacity 
E) surface tension 
A) boiling point 
B) buffering capacity 
C) freezing point 
D) heat capacity 
E) surface tension

Question 16

Latent heat of vaporization is the same as latent heat of sublimation.

Accepted Answer

A) True 
 B)False

Question 17

The ion in sea water that serves as a buffer is:

Accepted Answer

A)  Ca⁺². 
B)  Cl⁻. 
C)  CO₂. 
D)  HCO₃⁻. 
E)  Na⁺. 
A)  Ca⁺². 
B)  Cl⁻. 
C)  CO₂. 
D)  HCO₃⁻. 
E)  Na⁺.

Question 18

Seawater:

Accepted Answer

A)  contains 30-35 parts per thousand salt ions. 
B)  contains chloride, sodium, sulfate, magnesium, calcium, and potassium ions. 
C)  dissolves oxygen more readily than carbon dioxide. 
D)  has the same proportion of salt ions world-wide irrespective of total salinity. 
E)  is 3.0 to 3.5% salt on average. 
A)  contains 30-35 parts per thousand salt ions. 
B)  contains chloride, sodium, sulfate, magnesium, calcium, and potassium ions. 
C)  dissolves oxygen more readily than carbon dioxide. 
D)  has the same proportion of salt ions world-wide irrespective of total salinity. 
E)  is 3.0 to 3.5% salt on average.

Question 19

A rapid change in ocean density with change in depth is the:

Accepted Answer

A)  barocline. 
B)  halocline. 
C)  isocline. 
D)  pycnocline. 
E)  thermocline. 
A)  barocline. 
B)  halocline. 
C)  isocline. 
D)  pycnocline. 
E)  thermocline.

Question 20

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases.
- Choose the one option that does not fit the pattern.

Accepted Answer

A) carbonate ion 
B) bicarbonate ion 
C) chloride ion 
D) hydrogen ion 
E) hydroxide ion 
A) carbonate ion 
B) bicarbonate ion 
C) chloride ion 
D) hydrogen ion 
E) hydroxide ion

What is the origin of the salt ions in seawater?

The phase in which water exists is determined by:

Water can pile up a short distance above a container's rim due to:

The surface tension of water:

Which property of water causes coastal communities to have only moderate differences in daily highs and lows when compared to inland communities?

Which of the following statements regarding pH is not true?

Salinity refers to all of the solid materials in seawater including dissolved and suspended substances.

Hydrogen bonds form between neighboring water molecules because of:

Residence time:

A beaker contains a mixture of ice and pure water at 0ᵒC. What happens to the temperature of the mixture as heat is added?

Evaporation causes cooling in the residual liquid.

Describe various methods used to desalinate seawater.

Discuss how climatological processes affect seawater salinity.

Hydrogen bonds:

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. - Choose the one option that does not fit the pattern.

Latent heat of vaporization is the same as latent heat of sublimation.

The ion in sea water that serves as a buffer is:

Seawater:

A rapid change in ocean density with change in depth is the:

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. - Choose the one option that does not fit the pattern.

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

Animals of the Benthic Environment

The Oceans and Climate Change

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Exam 5: Water and Seawater

What is the origin of the salt ions in seawater?

The phase in which water exists is determined by:

Water can pile up a short distance above a container's rim due to:

The surface tension of water:

Which property of water causes coastal communities to have only moderate differences in daily highs and lows when compared to inland communities?

Which of the following statements regarding pH is not true?

Salinity refers to all of the solid materials in seawater including dissolved and suspended substances.

Hydrogen bonds form between neighboring water molecules because of:

Residence time:

A beaker contains a mixture of ice and pure water at 0ᵒC. What happens to the temperature of the mixture as heat is added?

Evaporation causes cooling in the residual liquid.

Describe various methods used to desalinate seawater.

Discuss how climatological processes affect seawater salinity.

Hydrogen bonds:

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. - Choose the one option that does not fit the pattern.

Latent heat of vaporization is the same as latent heat of sublimation.

The ion in sea water that serves as a buffer is:

Seawater:

A rapid change in ocean density with change in depth is the:

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. - Choose the one option that does not fit the pattern.

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

Animals of the Benthic Environment

The Oceans and Climate Change

Filters