Department of Chemistry and Physics |
Answers |
Balancing Equations
|
Problems with *** are
the most difficult. If you can balance these, you can balance any
equation given in class.
1.
C3H8 +
5 O2 g 3
CO2 + 4
H2O
2. Al2(SO3)3
+ 6 NaOH g
3
Na2SO3 + 2
Al(OH)3
3. 4
Al2O3 +
9 Fe g 3 Fe3O4
+ 8 Al
4. 2
KClO3 g 2 KCl
+ 3 O2
5.
NH4NO3 g N2O
+ 2 H2O
6. 2
NaHCO3
g Na2CO3 +
H2O + CO2
7.
P4O10 + 6
H2O g 4
H3PO4
8. 2
Al
+ 3 H2SO4
g Al2(SO4)3
+ 3 H2
9.
Be2C + 4
H2O g 2
Be(OH)2 + CH4
10.*** S
+ 6 HNO3
g H2SO4 +
6
NO2 + 2
H2O
11. 2
NH3 + 3 CuO
g 3 Cu +
N2 + 3
H2O
12.***
3
Cu + 8HNO3
g 3 Cu(NO3)2
+ 2 NO + 4
H2O