Neutralization 1
Neutralization 1. HAVE YOU SEEN ME? 2 3 Terminology Acids compound that produces H + ions when mixed with water pH 4.
Dec 26, 2015
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Neutralization
1
HAVE YOU SEEN ME?2
3
Terminology
Acidscompound that produces H+ ions when
mixed with waterpH
4
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)
7
Oxides
Synthesis review:M + O2 (g) M oxide
M oxide + H2O(l)
8
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)
9
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)
10
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)
14
Oxides
Synthesis review:NM + O2 (g) NM oxide
NM oxide + H2O(l)
15
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)
16
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)
17
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?
18
Stomach acid
What’s in our stomach?
HCl(aq)
Add an antacid when acid reflux
19
Stomach acid
What’s in our stomach?
HCl(aq) + Al(OH)3 (s)
Add an antacid when acid reflux
20
Stomach acid
What’s in our stomach?
HCl(aq) + Al(OH)3 (s) AlCl3 (aq) + H2O(l)
Add an antacid when acid reflux
21
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?
22
Homework
• Read 5.1• p. 175 #1• p. 177 #1-7• p. 211 #1-4
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