4. Acids And Bases Flashcards

0
Q

Dissociation of water

The free hydrogen atom can ready with another ___

A

H2O

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1
Q

Dissociation of water

Strong forces between water molecules can actually remove __ atom from a _____ molecule

A

H, water

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2
Q

Dissociation of water

OH negative is a

A

Hydroxide ion

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3
Q

Dissociation of water

H3O positive is a

A

Hydronium ion

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4
Q

The relative amount of hydronium ions(H3O+) in a solution

A

Acidity

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5
Q

Acidic solutions contain _____ concentrations of H3O+ than hydroxide ions (H3O+>OH-)

A

Higher

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6
Q

Acids tend to have a ____ taste

A

Sour

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7
Q

Acids can burn skin, eyes, and _____

A

Mucous membranes

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8
Q

Very high concentrations of acids are _____

A

Corrosive

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9
Q

Acids are not always ____

A

Harmful

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10
Q

A measure of the relative amounts of HYDROXIDE IONS (OH-) dissolved in a solution

A

Alkalinity

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11
Q

A basic solution contains more ____ than ____ ions

A

OH-, H3O+

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12
Q

The term alkaline also refers to _____ _____

A

Basic substances

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13
Q

Have bitter taste, tend to feel slippery

A

Bases

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14
Q

What is the pH scale

A

Scale for measuring the concentration of H3O+ and OH- in a solution

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15
Q

The pH scale ranges from ____ to ____

A

0, 14

16
Q

0-6.9 is a

A

Acidic solution

17
Q

7 is a

A

Neutral

18
Q

7.1-14 is a

A

Basic or alkaline solution

19
Q

Chemical substances that neutralize small a,outs of acid or base

A

Buffers