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Chemistry
Worksheet : Ch 11,12 and 17 : Obj. 8-15 rev, bal. eqns
Name :
Date :
A. Review of types of equations :
1.
2.
3.
4.
5.
Box 1-1.
Put a "D-R" next to the double replacement reaction in Box 1-1.
Put a "C" next to the reaction in box 1-1 that is a combination reaction.
Put a "D" next to the reaction in Box 1-1 that is a decomposition reaction.
Put a "S-R" next to the single replacement reaction in Box 1-1.
Put an "O" next to the combustion reaction in Box 1-1.
_______
_______
a. aqueous barium chloride reacts with aqueous silver sulfate to form solid silver
chloride and solid barium sulfate
b. calcium carbonate when heated forms calcium oxide and carbon dioxide
_______
_______
c. magnesium chloride reacts with fluorine gas to form magnesium fluoride and
chlorine gas
d. methane gas combines with oxygen to form water and carbon dioxide
_______
e. iron and oxygen gas react to form iron (II) oxide
B. Balance the following chemical equations and identify each as a combination, single replacement, double
replacement, decomposition or combustion reaction.
Type
1.
Al(s)
+ O2(g)  Al2O3(s)
_____________________________________________

 Hg(l)
2.
HgO(s)
+ O2(g)
3.
SnBr2(aq)
4.
BaCl2(aq)
+
5.
C3H8(g)
+ O2(g)
6.
HCl(aq)
7.
H2O2(aq)
8.
Ca(s)
9.
C8H18(g)
10.
Ba(NO3)2(aq) + Na2SO4(aq)  BaSO4(s)
 SnCl2(aq)
+ Cl2(g)

AgNO3(aq)


MnO2
+
S(s)
+ O2(g)
H2O(l)

+
+ Br2(l)
_____________________________________________
Ba(NO3)2(aq)
CO2(g)
+ NaOH(aq)
--------
_____________________________________________
+ AgCl(s)
+ H2O(l)
NaCl(aq)
+
_____________________________________________
H2O(l)
O2(g)
H2O(l)
_____________________________________________
_____________________________________________
CaS(s)

_____________________________________________
_____________________________________________
+
CO2(g)
+ NaNO3(aq)
_____________________________________________
____________________________________________
C. Review : Complete the following word equations (if needed), state what type of reaction they are and then
rewrite the equation as a balanced chemical equation.(See activity series on p. 217 for single replacement
reactions involving metals).
1. Type of reaction : ___________________
aqueous magnesium sulfide reacts with calcium to form ____________________________
2. Type of reaction : ___________________
butane (C4H10) reacts with oxygen gas to form ________________________________
3. Type of reaction : ___________________
aqueous barium chloride reacts with aqueous potassium chromate to form solid barium
chromate and aqueous potassium chloride
4. Type of reaction : _______________________
Magnesium metal reacts with chlorine gas to form ________________________________
5. Type of reaction : ___________________________
Solid aluminum carbonate changes into aluminum oxide and carbon dioxide when strongly heated
6. Type of reaction :_______________________________
Nickel(II) chloride reacts with fluorine gas to form _________________________________