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Chapter 9 Acids and Bases. Acids and Bases. Arrhenius Acids and Bases. Acids produce H + in aqueous solutions water HCl H + (aq) + Cl - (aq) Bases produce OH - in aqueous solutions water NaOH Na + (aq) + OH - (aq). Acids.

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chapter 9 acids and bases
Chapter 9Acids and Bases

Acids and Bases

LecturePLUS Timberlake

arrhenius acids and bases
Arrhenius Acids and Bases
  • Acids produce H+ in aqueous solutions

water

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

  • Bases produce OH- in aqueous solutions

water

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

LecturePLUS Timberlake

acids
Acids
  • Produce H+ (as H3O+) ions in water
  • Produce a negative ion (-) too
  • Taste sour
  • Corrode metals
  • React with bases to form salts and water

LecturePLUS Timberlake

bases
Bases
  • Produce OH- ions in water
  • Taste bitter, chalky
  • Are electrolytes
  • Feel soapy, slippery
  • React with acids to form salts and water

LecturePLUS Timberlake

learning check ab1
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

LecturePLUS Timberlake

solution ab1
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

LecturePLUS Timberlake

learning check ab2
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

LecturePLUS Timberlake

solution ab2
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, B4. Is an electrolyte

_A_ 5. Produces H+ in aqueous solutions

LecturePLUS Timberlake

some common acids
Some Common Acids

HCl hydrochloric acid

HNO3 nitric acid

H3PO4 phosphoric acid

H2SO4 sulfuric acid

CH3COOH acetic acid

LecturePLUS Timberlake

learning check ab3
Learning Check AB3

Give the names of the following

A. HBr (aq) 1. bromic acid

2. bromous acid

3. hydrobromic acid

B. H2CO3 1. carbonic acid

2. hydrocarbonic acid

3. carbonous acid

LecturePLUS Timberlake

solution ab3
Solution AB3

A. HBr 3. hydrobromic acid

The name of a nonoxy acid begins with the prefix hydro- and ends with -ic acid. In a nonoxy acid, the negative anion end in -ide.

B.H2CO3 1. carbonic acid

The name of an oxyacid is named with the stem of the anion (carbonate) changed to

-ic acid

LecturePLUS Timberlake

some common bases
Some Common Bases

NaOH sodium hydroxide

KOH potassium hydroxide

Ba(OH)2 ________________________

Mg(OH)2________________________ Al(OH)3 aluminum hydroxide

LecturePLUS Timberlake

learning check ab4
Learning Check AB4

Match the formulas with the names:

A. ___ HNO21)hydrochloric acid

B. ___ Ca(OH)2 2) sulfuric acid

C. ___ H2SO4 3) sodium hydroxide

D. ___ HCl 4) nitrous acid

E. ___ NaOH 5) calcium hydroxide

LecturePLUS Timberlake

solution ab4
Solution AB4

Match the formulas with the names:

A. _4__ HNO21)hydrochloric acid

B. _5__ Ca(OH)2 2) sulfuric acid

C. _2__ H2SO4 3) sodium hydroxide

D. _1__ HCl 4) nitrous acid

E. _3__ NaOH 5) calcium hydroxide

LecturePLUS Timberlake

learning check ab5
Learning Check AB5

Acid, Base Name

or Salt

CaCl2 ______ _________________

KOH ______ _________________

Ba(OH)2 ______ _________________

HBr ______ _________________

H2SO4 ______ __________________

LecturePLUS Timberlake

solution ab5
Solution AB5

Acid, Base Name

or Salt

CaCl2 salt calcium chloride

KOH base potassiuim hydroxide

Ba(OH)2 base barium hydroxide

HBr acid hydrobromic acid

H2SO4 acid sulfuric acid

LecturePLUS Timberlake

bronsted lowry acids
Bronsted-Lowry Acids

Acids are hydrogen ion (H+) donors

Bases are hydrogen ion (H+) acceptors

HCl + H2O H3O+ + Cl-

donor acceptor + -

+ +

LecturePLUS Timberlake