pH quiz

Created by logynklode 

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16 terms

Many Substances...

come apart into ions when they dissolve into water.

Water dissociates partly into...

hydrogen ions (H+) and hydowyl ions (OH-).

Acid

substance that releases H+ ions in water or accepts OH-

Base

releases OH- in water (alkali) or accepts H+

Water is..

A polarmolocule

Hydrogen is an

acid

Hydroxyl is a

base

Water splits other substances because

it is a natural salt

pH

Power if Hydrogen

pH

it is the negative logarithm of the concentration of H+ ions in the solution

When do most chemical reactions occur?

rapidly at a pH near the neutral point

The acidity of alkalinity of a solution is

indicated by a figure known as pH

0-6 pH

acid

8-14 pH

base

Buffers are

chemicals in the fluids of living oranisms, keeping the pH constant by releasing or adding (H+) or (OH-) as they are added or removed from the body.

Buffers

maintain a stable environment.

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