Name:
Date:
Chern istry
Worksheet:
Ch 8,9 and) ) : Obj. 8-) 5 rev, bal. eqns
A. Review of types of equations:
I. Put a "D-R" next
2. Put a 8 next to
3. Put a "D" next to
4. Put a "S-R" next
5.
to the double replacement reaction in Box) -).
the reaction in box 1-) that is a syl\ t-he>~is- reaction.
the reaction in Box) -I that is a decomposition reaction.
to the single replacement reaction in Box 1-).
Put an "0" next to the combustion reaction in Box I-I.
Box I-I.
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
replacement, decomposition or combustion reaction.
lyvd-ttesi1
, single
replacement, double
Type
I.
AI(s)
2.
HgO(s)
3.
SnBr2-(aq)
4.
BaCb(aq)
+
5.
C3H8(g)
+ O2(1;)
6.
HCI(aq)
7.
H202(~q) -------:-7
8.
C3(s)
9.
CgH'8(g)
+ 02(g) -7 AbOJ(sj
D.
-7 Hg(l)
+ 02(~)
-7
+ CI2(g)
-7
AgN03(aq)
-7
-7
+ ScsI
+ 02(g)
H2O(l)
-?
+ AgCI(s)
Ba(N03haq)
+ H2O(l)
CO2(g)
+ NaOH(aq)
_ MnO)
+ Br2(1)
SnCI:i(aq)
NaCI(nq)
+
H2O(l)
+ 02(~)
CaS(s)
-7
H2O(l)
+
C02(~)
)
10.
Ba(NOJhcnq) + Na2S04(aq) -7
BaS04(s)
+ NaNOJ(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. .
for single replacement
reactions involving metals).
2'13
I. Type of reaction:
_
aqueous magnesium sulfide reacts with calcium to form
2. Type of reaction:
_
butane (C4HlO) 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 :
1
_
Solid aluminum carbonate changes into aluminum oxide and carbon dioxide when strongly heated
6.
Type of reaction :
_
Nickel(lI) chloride reacts with fluorine gas to form
_