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