Arrhenius Acids and Bases

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Slide 1

LecturePLUS Timberlake

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Chapter 9 Acids and Bases

Acids and Bases

Slide 2

Arrhenius Acids and Bases

LecturePLUS Timberlake

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Acids produce H+ in aqueous solutions

water

HCl H+(aq) + Cl- (aq)

Bases produce OH- in aqueous solutions

water

NaOH Na+(aq) + OH- (aq)

Slide 3

Acids

LecturePLUS Timberlake

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Produce H+ (as H3O+) ions in water

Produce a negative ion (-) too

Taste sour

Corrode metals

React with bases to form salts and water

Slide 4

LecturePLUS Timberlake

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Bases

Produce OH- ions in water

Taste bitter, chalky

Are electrolytes

Feel soapy, slippery

React with acids to form salts and water

Slide 5

LecturePLUS Timberlake

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Learning Check AB1

Describe the solution in each of the following as: 1) acid 2) base or 3)neutral.

A. _soda

B. _soap

C. _coffee

D. _ wine

E. _ water

F. _ grapefruit

Slide 6

LecturePLUS Timberlake

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Solution AB1

Describe each solution as:

1) acid 2) base or 3) neutral.

A. _1_ soda

B. _2_ soap

C. _1_ coffee

D. _1_ wine

E. _3_ water

F. _1_ grapefruit

Slide 7

LecturePLUS Timberlake

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Learning Check AB2

Identify each as characteristic of an A) acid or B) base

1. Sour taste

2. Produces OH- in aqueous solutions

3. Chalky taste

4. Is an electrolyte

5. Produces H+ in aqueous solutions

Slide 8

LecturePLUS Timberlake

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Solution AB2

Identify each as a characteristic of an A) acid or B) base

_A_ 1. Sour taste

_B_ 2. Produces OH- in aqueous solutions

_B_ 3. Chalky taste

A, B 4. Is an electrolyte

_A_ 5. Produces H+ in aqueous solutions

Slide 9

LecturePLUS Timberlake

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Some Common Acids

HCl hydrochloric acid

HNO3 nitric acid

H3PO4 phosphoric acid

H2SO4 sulfuric acid

CH3COOH acetic acid

Slide 10

LecturePLUS Timberlake

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Learning Check AB3

Give the names of the following