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Neutralization. HAVE YOU SEEN ME?. Terminology. Acids compound that produces H + ions when mixed with water pH . Terminology. Acid compound that produces H + ions when mixed with water pH < 7 Base compound that produces OH - ions when mixed with water pH . Terminology. Acid

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terminology
Terminology

Acids

compound that produces H+ ions when mixed with water

pH

terminology1
Terminology

Acid

compound that produces H+ ions when mixed with water

pH < 7

Base

compound that produces OH- ions when mixed with water

pH

terminology2
Terminology

Acid

compound that produces H+ ions when mixed with water

pH < 7

Base

compound that produces OH- ions when mixed with water

pH > 7

oxides
Oxides

Synthesis review:

M + O2 (g)

oxides1
Oxides

Synthesis review:

M + O2 (g) M oxide

M oxide + H2O(l) 

oxides2
Oxides

Synthesis review:

M + O2 (g) M oxide

M oxide + H2O(l)  M hydroxide

Metal oxides are called basic oxides because they form bases when mixed with water.

Ionic compound, solid!

Na(s) + O2 (l)

BASE

oxides3
Oxides

Synthesis review:

M + O2 (g) M oxide

M oxide + H2O(l)  M hydroxide

Metal oxides are called basic oxides because they form bases when mixed with water.

Ionic compound, solid!

Na(s) + O2 (l) Na2O (s)

BASE

oxides4
Oxides

Synthesis review:

M + O2 (g) M oxide

M oxide + H2O(l)  M hydroxide

Metal oxides are called basic oxides because they form bases when mixed with water.

Ionic compound, solid!

4 Na(s) + O2 (l) 2 Na2O (s)

Na2O (s) + H2O(l)

BASE

oxides5
Oxides

Synthesis review:

M + O2 (g) M oxide

M oxide + H2O(l)  M hydroxide

Metal oxides are called basic oxides because they form bases when mixed with water.

Ionic compound, solid!

4 Na(s) + O2 (l) 2 Na2O (s)

Na2O (s) + H2O(l) NaOH (aq)

BASE

oxides6
Oxides

Synthesis review:

M + O2 (g) M oxide

M oxide + H2O(l)  M hydroxide

Metal oxides are called basic oxides because they form bases when mixed with water.

Ionic compound, solid!

4 Na(s) + O2 (l) 2 Na2O (s)

Na2O (s) + H2O(l) 2 NaOH (aq)

BASE

oxides7
Oxides

Synthesis review:

NM + O2 (g)

oxides8
Oxides

Synthesis review:

NM + O2 (g) NM oxide

NM oxide + H2O(l) 

oxides9
Oxides

Synthesis review:

NM + O2 (g) NM oxide

NM oxide + H2O(l)  acid

Non-metal oxides are called acidic oxides because they form acids when mixed with water.

Covalent molecule, gas!

SO3 (g) + H2O (l)

ACID

oxides10
Oxides

Synthesis review:

NM + O2 (g) NM oxide

NM oxide + H2O(l)  acid

Non-metal oxides are called acidic oxides because they form acids when mixed with water.

Covalent molecule, gas!

SO3 (g) + H2O (l) H2SO4 (aq)

ACID

Pollutant

neutralization1
Neutralization

AB + CD  AD + CB

Product of DD reactions: neutralized solution

(pH closer to 7)

What evidence tells us there was a reaction?

stomach acid
Stomach acid

What’s in our stomach?

HCl(aq)

Add an antacid when acid reflux

stomach acid1
Stomach acid

What’s in our stomach?

HCl(aq) + Al(OH)3(s)

Add an antacid when acid reflux

stomach acid2
Stomach acid

What’s in our stomach?

HCl(aq) + Al(OH)3(s) AlCl3(aq) + H2O(l)

Add an antacid when acid reflux

stomach acid3
Stomach acid

What’s in our stomach?

3 HCl(aq) + Al(OH)3(s) AlCl3(aq) + 3 H2O(l)

Add an antacid when acid reflux

Why this base?

homework
Homework
  • Read 5.1
  • p. 175 #1
  • p. 177 #1-7
  • p. 211 #1-4
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