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AICE Marine Science AS > 1.2 Solubility in Water > Flashcards

1.2 Solubility in Water Flashcards

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1
Q

Solute

A

A solid that dissolves in a solvent

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2
Q

Solution

A

A mixture of a solute dissolved in a solvent

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3
Q

Solubility

A

The ability of a solute to dissolve within a solvent (such as water)

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4
Q

Dissolution

A

The process of being dissolved

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5
Q

Salinity

A

A measure of the quantity of dissolved solids in ocean water, represented by parts per thousand (ppt)

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6
Q

Precipitation

A

Water that falls from the atmosphere to the Earth’s surface as rain, sleet, snow, or hail

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7
Q

Run-off

A

The flow of water from land caused by precipitation

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8
Q

Evaporation

A

a change in state from liquid to gas below the boiling point of a substance

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9
Q

Hypersaline

A

When a body of water has a salinity level greater than 40 ppt

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10
Q

Halocline

A

A layer of water below the mixed surface layer where a rapid change in salinity can be measured as depth increases

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11
Q

Thermocline

A

A layer between two layers of water with different temperatures

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12
Q

pH

A

A numeric value expressing the acidity or alkalinity of a solution on a logarithmic scale

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13
Q

Acidic

A

Having a pH below 7

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14
Q

Alkaline

A

Having a pH above 7

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15
Q

Neutral

A

Having a pH that equals 7

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16
Q

pH scale

A

A logarithmic scale that measures the ratio of hydrogen ions to hydroxide ions

17
Q

Turbulence

A

Irregular changes in the speed and direction of fluid movement

18
Q

Dissolved Oxygen (DO)

A

Concentration of oxygen dissolved in a solution

19
Q

Phytoplankton

A

Microscopic photosynthetic organisms that live in the upper, sunlit layers of water

20
Q

Oxygen Minimum Layer

A

The layer within the ocean where the concentration of dissolved oxygen is at its lowest, typically found below the photic zone between 100m and 1000m deep

AICE Marine Science AS (20 decks)

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