Uploaded by Debra Humphrey

# EquationsWorksheet1

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```Worksheet #1: Writing and Balancing Formula Equations
Step 1: Write each formula and balance each formula using SUBSCRIPTS.
Step 2: Balance the overall equation using coefficients.
1.
sulfur
+
2.
zinc
3.
hydrogen
+
nitrogen
&AElig;
ammonia
4.
hydrogen
+
chlorine
&AElig;
hydrogen chloride
5.
carbon
6.
calcium oxide
7.
phosphorus
8.
hydrochloric acid
9.
barium chloride
10.
aluminum sulfate + calcium hydroxide &AElig; aluminum hydroxide + calcium sulfate
11.
ethane (C2H6)
12.
aluminum oxide
+
oxygen
sulfuric acid
+
water
water
oxygen
+
&AElig;
&AElig;
&AElig;
hydrogen
+
hydrogen
calcium hydroxide
diphosphorus pentoxide
sulfuric acid
oxygen
+
carbon monoxide
sodium hydroxide
+
+
zinc sulfate
&AElig;
&AElig;
+
+
sulfur dioxide
&AElig;
&AElig;
aluminum
&AElig;
&AElig;
sodium chloride
barium sulfate
carbon dioxide
+
oxygen
+
+
water
+
water
hydrochloric acid
Worksheet #1: Writing and Balancing Formula Equations
1.
sulfur + oxygen &AElig; sulfur dioxide
S8
2.
zinc
+
+
sulfuric acid
Zn
3.
hydrogen
+
hydrogen
+
5.
carbon
+
7.
carbon monoxide
+
CO
H2
H2O
+
CaO
+
+
oxygen
diphosphorus pentoxide
&AElig;
+
sodium hydroxide
sulfuric acid
+
2P2O5
&AElig;
NaOH
+
H2SO4
NaCl
&AElig;
&AElig;
sodium chloride
&AElig;
water
H2O
barium sulfate
BaSO4
&AElig;
+
+
+
hydrochloric acid
2HCl
aluminum sulfate + calcium hydroxide &AElig; aluminum hydroxide + calcium sulfate
ethane (C2H6)
+
aluminum oxide
+
3Ca(OH)2
oxygen
2C2H6
12.
Ca(OH)2
&AElig;
5O2
+
hydrogen
calcium hydroxide
&AElig;
H2O
+
+
hydrochloric acid
barium chloride
2HCl
&AElig;
water
Al2(SO4)3
11.
hydrogen chloride
&AElig;
&AElig;
BaCl2
10.
2NH3
&AElig;
water
HCl
9.
N2
+
H2
ammonia
&AElig;
P4
8.
+
Cl2
calcium oxide
phosphorus
hydrogen
+
C
6.
+
ZnSO4
&AElig;
&AElig;
chlorine
H2
zinc sulfate
H2SO4
nitrogen
+
8SO2
&AElig;
&AElig;
+
3H2
4.
8O2
&AElig;
2Al2O3
+
&AElig;
7O2
4Al
2Al(OH)3
carbon dioxide
4CO2
&AElig;
aluminum
&AElig;
&AElig;
+
+
oxygen
3O2
+
+
+
water
6H2O
3CaSO4
```