Water Properties Flashcards

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1
Q

A weak acid or base that can react with strong acid or bases to help prevent sharp, sudden changes in pH.

A

A Buffer

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2
Q

The property in which a molecule has poles or uneven charges spread across its atoms.

A

Polarity

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3
Q

The same molecules sticking together. (Water sticking to water.)

A

Cohesion

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4
Q

Different molecules sticking together. (Water sticking to grass.)

A

Adhesion

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5
Q

A certain type of cohesion where water molecules stick together more tightly on the surface of a body of water.

A

Surface Tension

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6
Q

The movement of a liquid through a narrow tube/space going against the force of gravity. This occurs as a result of cohesion and adhesion.

A

Capillary Action

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7
Q

Materials composed of two or more elements/compounds that are physically mixed together but not chemically combined.

A

A Mixture

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8
Q

Matter made up of one or more substances dissolved in another substance. (Sugar water.)

A

A Solution

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9
Q

A substance that dissolves IN a solvent; usually ions (charged particles.)

A

A Solute

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10
Q

A substance that another substance dissolves in.

A

A Solvent

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11
Q

A mixture of water and non dissolved materials (muddy water.)

A

Suspension

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12
Q

A measurement system used to indicate the concentration of hydrogen ions in solution that ranges from 0 to 14, 7 is in the middle (neutral point.)

A

pH Scale

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13
Q

A substance capable of releasing or forming hydrogen ions in solution with a pH less than 7.

A

An Acid

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14
Q

Any substance that tends to accept hydrogen ions or produces hydroxide ions in solution; substance has a pH greater than 7 and is called an alkaline.

A

Base

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