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WorksheetsBalancing Chemical Equations
Total questions: 19
Worksheet time: 37mins
What is the part of the chemical equation in green called?
Fe + S → FeS
products
reactants
yield
chemical formula
What is the part of the chemical equation in green called?
Fe + S → FeS
products
reactants
yield
chemical formula
What coefficient should be used to make the following equation balanced?
N2+O2 → __NO
1
2
3
4
What coefficient should be used to make the following equation balanced?
Mg + __HCl → MgCl2 + H2
1
3
2
4
Is this equation balanced?
Al + O2 → 2Al2O3
Yes
No
Is this equation balanced?
Fe2O + 2Mg → Mg2O + 2Fe
Yes
No
What are the coefficients that would properly balance this equation?
__Al +__HCl → __H2 +__AlCl3
1, 1, 1, 1
2, 6, 3, 2
4, 12, 3, 4
2, 1, 4, 5
What are the coefficients that would properly balance this equation?
__H2 + __Cl2 → __HCl
1, 1, 1
1, 1, 2
3, 1, 6
1, 3, 6
What are the coefficients that would properly balance this equation?
__HgO → __Hg + __O2
1, 1, 1
2, 2, 1
2, 1, 1
1, 1, 2
Balance this equation:
__Sb2S3 + __O2 → __Sb + __SO2
1, 1, 1, 1
1, 1, 2, 1
1, 3, 2, 3
3, 3, 2, 1
Balance this equation:
__P4 + __O2 → __P2O3
1, 1, 1
2, 1, 3
1, 2, 3
1, 3, 2
What are the coefficients that would properly balance this equation?
__K3(PO4) + __HCl → __KCl + __H3(PO4)
1, 1, 1, 1
1, 3, 3, 1
1, 3, 1, 3
1, 6, 3, 2
What are the coefficients that would properly balance this equation?
__ SeCl6+ __ O2 → __ SeO2 + ___Cl2
1, 1, 1, 3
2, 1, 2, 1
1, 2, 1, 2
2, 2, 2, 4
What is the number before a chemical formula called?
Ex: 2H2 + O2 → 2H2O
Coefficient
Subscript
Atom
Equation
Is the following equation balanced?
2C2H2 + 5O2 → 4CO2 + 2H2O
Yes
No
Is the following equation balanced?
4Fe + 3O2 → 2Fe2O3
Yes
No
What are the coefficients that would properly balance this equation?
__Ca + __H(OH) → __Ca(OH)2 + __H2
2, 1, 2, 1
1, 2, 1, 1
1, 2, 2, 4
1, 2, 2, 1
What are the coefficients that would properly balance this equation?
__H2 + __S → __H2S
2, 2, 2
1, 2, 1
1, 2, 2
1, 1, 1
What are the coefficients that would properly balance this equation?
__Ag(NO3) + __H2S → __Ag2S+ __H(NO3)
1, 2, 1, 2
1, 2, 1, 1
2, 1, 1, 2
1, 2, 2, 1
