Neutralization

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HAVE YOU SEEN ME?2

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Terminology

Acidscompound that produces H+ ions when

mixed with waterpH

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Terminology

Acidcompound that produces H+ ions when

mixed with waterpH < 7

Basecompound that produces OH- ions when

mixed with waterpH 5

Terminology

Acidcompound that produces H+ ions when

mixed with waterpH < 7

Basecompound that produces OH- ions when

mixed with waterpH > 7 6

Oxides

Synthesis review:M + O2 (g)

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Oxides

Synthesis review:M + O2 (g) M oxide

M oxide + H2O(l)

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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)

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BASE

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)

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BASE

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) 11

BASE

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)12

BASE

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)13

BASE

Oxides

Synthesis review:NM + O2 (g)

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Oxides

Synthesis review:NM + O2 (g) NM oxide

NM oxide + H2O(l)

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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)

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ACID

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)

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ACID

Pollutant

Neutralization

AB + CD AD + CB

Product of DD reactions: neutralized solution(pH closer to 7)

What evidence tells us there was a reaction?

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Stomach acid

What’s in our stomach?

HCl(aq)

Add an antacid when acid reflux

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Stomach acid

What’s in our stomach?

HCl(aq) + Al(OH)3 (s)

Add an antacid when acid reflux

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Stomach acid

What’s in our stomach?

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

Add an antacid when acid reflux

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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?

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Homework

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

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