Neutralization
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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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Neutralization

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Neutralization

Neutralization


Neutralization

HAVE YOU SEEN ME?


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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