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CHEM 130: Balancing Equations Worksheet
Balance
1
I
\
I
1
,
the following
equations:
l.
__
Zn (s) + ~
2.
__
N2 (g)
5.
L
HN03 (aq) + __
AgN03 (aq)
+ lH2
(g)
6. __
Ba(HC03)2 (s)
I
I
7. __
BaCI2 (aq) + __
I
9. __
Ca (s) +
12. __
MgBr2 (aq) + ~
13. __
Mn (s) + ~
Ni (s}
=>
(g)
Ni(N03h
__
BaC03 (s) + __
Na2S04 (aq)
H20 (I)
=>
2 Ag (s)
Zn(N03)2 (aq) +
__
~NH3
=>
=> __
-2-
=>
=>
(aq) + __
H20 (g) + __
CO2 (g)
NaCI (aq) + __
~
Ca(OH)2 (aq) + __
__
H2 (g)
BaS04 (s)
H2 (g)
I
,
I
I
I
14.
<3
--
I
16.
[,
I
17. __
I
18.
,
,
,
.-----
)
k
CuCl (aq)
Zn (s) + --
S8 (s)
K (s) + ~
H20 (1)
C5HI2 (1) +
KOH (aq)
KOH (aq)
L
+ __
19. __
C4Hg02 (I) +
20. ~
Al (s) +
=>
<?
02 (g)
?--
2 s, (s)
O2 (g)
=>
MnC12 (s)
KOH (aq) + __
=:>
L
H2 (g)
H20 (g) + ~
~
H2C03 (aq)
£
Mg(OHh. (s)
ZnS (s)
--
=:>
KBr (aq) + __
(s) + __
~Cu
=>
=>
'2,
=>
=:>
~
~
H20 (1)
H20 (g) +
A12S3 (s)
CO2 (g)
+ __
---Y-
K2C03 (aq)
CO2 (g)
Balancing Equations - P actice Problems
Balance the following chemical equations.
\
1.
\
I
~
N2 +_ O2 -+
2
Write and balance the following chemical equations.
5. Hydrogen plus oxygen produce water. (Remember diatomic elements!)
-I-
()Z
+
,M(j Clz
2
A0
-) 2}JaL/
7. Aluminum bromide plus chlorine yield aluminum chloride and bromine.
Z A}Br~ t?
I
'):
6. Sodium reacts with magnesium chloride yielding sodium chloride plus magnesium.
2 Net
I'
N20
2 KCl+_I
2. ~KI+_Ch-+
2ltz
I
l
e/2
8. Aluminum nitrate and sodium sulfide react to form aluminum sulfide and sodium nitrate.,
Balancing Equations - Practice Problems
CHEM
No,m
J!6-Y c9J
_
?Q)"';
€.
Do.+e
_
Balancinggguations
Balance
the fof/owing equetions:
\
1)
I
I
I
2)
~
Agi + _
3)
_
C2H402 +
4)
I
5)
I
6)
I
7)
·f
8)
I
9)
.-3. AgBr + _ GaP04 -7 _
l H2S04 + -z. B(OHh -7 _
_
S8 + ~
O2 -7 L S02
10)
_
I
~
-
_
NaN03 + _
ZnS04
Fe2(C03h
+
2
O2 -7
+_
Z AgN03
Pb(N03h
-7 ~
Fel3 +
+_
-
BeCI2 -7 _
-7 _
Na20
-'i Ag2C03
:Z...CO2 + Z,
Li2C03 -7
-
Mn(N02h
Fe +
PbO -7 _
H20
ZnC03 +
Li2S04
-
Be(N02h
+_
Ag3P04 + _
B2(S04h +
Fe(N03h
+
MnCI2
GaBr3
r/;
H20
2- Ag
11. Aqueous aluminum sulfate reacts with aqueous calcium hydroxide to yield aluminum
hydroxide and calcium sulfate.
I}I Z(5'Oq )s(Clq) -r 3 CQ{oH-)l tat)~
Z hI {Dlt)3
+-?
u~Vi
12. Solid potassium metal reacts with liquid water to produce aqueous potassium
hydroxide and hydrogen gas.
-----.
I
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