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Marine Science > Marine Chemistry > Flashcards

Marine Chemistry Flashcards

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0
Q

Amount of acid or base in the water

A

pH

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1
Q

Measure of dissolved inorganic solids

A

Salinity

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2
Q

Average salinity of ocean

A

3.5%

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3
Q

Person who claimed matter was made up of something other than Earth, Air, Fire, and Water

A

Lavoisier

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4
Q

Cohesion

Why are water molecules allowed to stick together?

A

Stick together

Partial charges

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5
Q

Universal Solvent

A

Ability to dissolves many substances

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6
Q

Saturated

A

When no more substances can dissolve the solution

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7
Q

Super Saturated

A

When more than what the solvent can hold is dissolved

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8
Q

Colligative Properties

A

Increased salinity causes low heat capacity, low freezing point, and low evaporation rate

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9
Q

Three Density Zones

A

Surface, Pycnocline, Deep

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10
Q

Thermocline

A

Rapid change in temperature

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11
Q

Halocline

A

Rapid change in salinity

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12
Q

Acid, neutral, base. Average pH of seawater

A

1>6 is acid, 7 is neutral, 8>14 base. Average pH of seawater is 8

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13
Q

How are salinity and specific gravity related?

A

If you increase the salinity, the specific gravity increases

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14
Q

Why is it important we preserve our samples when finding the dissolved oxygen content?

A

To keep oxygen in the sample

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15
Q

Chemical parameter telling how much oxygen is in water

A

Dissolved oxygen content

16
Q

Indirect measure of the heat in water

A

Temperature

17
Q

Measurement of the suspended particles in water

A

Turbidity

18
Q

Water’s ability to keep from being an acid

A

Buffer system

19
Q

Why is pH inversely proportional to dissolved carbon dioxide?

A

As the pH goes up, the carbon dioxide goes down

20
Q

Why is it important we have a buffering system in the ocean?

A

Not too acidic

21
Q

What is our buffering system?

A

Sea shells

Marine Science (4 decks)

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