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Chemical Equations - Section 4.3 Quiz
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Most portable barbeques use propane tanks, attached to the outside of the appliance, to provide the combustible propane to cook food.
Which of the following is the correct balanced reaction?
?
C
3
H
8
+ 5O
2
→ 3CO
2
+ 4H
2
O
?
C
3
H
8
+ O
2
→ CO
2
+ H
2
O
?
2 C
3
H
8
+ 10O
2
→ 6CO
2
+ 8H
2
O
?
C
3
H
8
+ O
2
→ 3CO
2
+ 2H
2
O
The following depicts the formation of methanol.
What would be the skeleton equation for this reaction?
?
C + H
2
+ O
2
→ CH
3
OH
?
C + Cl
2
+ O
2
→ CH
3
ClH
?
C
2
+ H
2
+ O
2
→ CH
3
OH
?
C + H + O → CH
3
OH
The following depicts the formation of methanol.
If the formula for methanol is CH
3
OH, what would be the balanced chemical equation for this reaction?
?
2C + 4H
2
+ O
2
→ 2CH
3
OH
?
2C + 2H
2
+ O
2
→ 2CH
3
OH
?
C + 2H
2
+ 2O → CH
3
OH
?
C
3
+ 2H
2
+ O
2
→ 2CH
3
OH
Balance the following skeleton equation:
Fe + Cl
2
→ FeCl
3
?
2Fe + 3Cl
2
→ 2FeCl
3
?
Fe + 3Cl
2
→ 2FeCl
3
?
Fe + Cl
2
→ FeCl
3
?
2Fe + 2Cl
2
→ 2FeCl
3
Balance the following skeleton equation:
Zn + HCl → ZnCl
2
+ H
2
?
Zn + 2HCl → ZnCl
2
+ H
2
?
2Zn + 2HCl → 2ZnCl
2
+ 2H
2
?
Zn + H
2
Cl
2
→ ZnCl
2
+ H
2
?
Zn + HCl → ZnCl
2
+ H
2
Balance the following skeleton equation:
Pb(NO
3
)
2
+ AlCl
3
→ PbCl
2
+ Al(NO
3
)
3
?
3Pb(NO
3
)
2
+ 2AlCl
3
→ 3PbCl
2
+ 2Al(NO
3
)
3
?
Pb(NO
3
)
2
+ 3AlCl
3
→ 2PbCl
2
+ 3Al(NO
3
)
3
?
2Pb(NO
3
)
2
+ AlCl
3
→ PbCl
2
+ Al(NO
3
)
3
?
Pb(NO
3
)
2
+ 2AlCl
3
→ PbCl
2
+ 2Al(NO
3
)
3
Write and balance the chemical equations for the following reaction:
aluminum + oxygen gas → aluminum oxide
?
4Al + 3O
2
→ 2Al
2
O
3
?
Al + 3O
2
→ 2Al
2
O
3
?
Al + O
2
→ Al
2
O
3
?
2Al + 3O
2
→ Al
2
O
3
Write and balance the chemical equations for the following reaction:
glucose + oxygen → carbon dioxide + water
?
C
6
H
12
O
6
+ 6O
2
→ 6CO
2
+ 6H
2
O
?
C
6
H
12
O
6
+ O
2
→ CO
2
+ H
2
O
?
C
6
H
12
O
6
+ 3.5O
2
→ 2CO
2
+ 3H
2
O
?
2C
6
H
12
O
6
+ 4O
2
→ 4CO
2
+ 6H
2
O
Write and balance the chemical equations for the following reaction:
potassium oxide + water → potassium hydroxide
?
K
2
O + H
2
O → 2KOH
?
K
2
O + H
2
O → K
2
OH
?
2K
2
O + H
2
O → 2KOH
?
K
2
O + 2H
2
O → KOH
Write and balance the chemical equation for the following reaction:
ammonium carbonate → ammonia + carbon dioxide + water
(NH
4
)
2
CO
3
→ NH
3
+ CO
2
+ H
2
O
?
(NH
4
)
2
CO
3
→ 2NH
3
+ CO
2
+ H
2
O
?
(NH
4
)
2
CO
3
→ NH
3
+ CO
2
+ H
2
O
?
2(NH
4
)
2
CO
3
→ 2NH
3
+ CO
2
+ H
2
O
?
(NH
4
)
2
CO
3
→ 2NH
3
+ 2CO
2
+ 2H
2
O
OK