Balancing Equations
Word Equations
Write & Balance Equations
Balancing Practice
Balancing Practice 2
100
How do you balance this equation ?N2+H2->NH3
N2+3H2->2NH3
100
Zinc & lead (II) nitrate react to form zinc nitrate & lead Zn+Pb(NO3 )2 ->
Zn(NO3 )2 + Pb2
100
When lithium hydroxide pellets are added to a solution of sulfuric acid (H2 SO4), lithium sulfate & water are formed
LiOH+H2SO4->Li2SO4+H2O
100
Mg+?CuCl->?
MgCl2+2Cu
100
C4H8+?O2->?CO2+?H2O
C4H8+6O2->4CO2+4H2O
200
How do you balance this equation ? KClO3 -> KCl + O2
2KClO3 -> 2KCl + 3O2
200
Potassium Metal & Chlorine gas combine to form potassium chloride K+Cl2 ->
K2Cl
200
Magnesium reacts with sodium fluoride to produce magnesium fluoride & elemental sodium
Mg+2NaFl->MgFl2+2Na
200
3CaCl2+?Al(NO3)3->?(?3)2+2AlCl3
3CaCl2+2Al(NO3)3->3Ca(NO3)2+2AlCl3
200
Al2(CO3)3+?->?Al(NO3)3+3Na2CO3
Al2(CO3)3+6NaNO3->2Al(NO3)3+3Na2CO3
300
How do you balance this equation ? P + O2 -> P2O5
4P + 5O2 -> 2P2O5
300
Aluminum & hydrochloric acid react to form aluminum chloride & hydrogen gas Al3 +HCl->
AlCl3 +H2
300
If a copper coil is placed into a solution of silver nitrate, silver crystals form & copper (I) nitrate is generated
No Reaction
300
Ca3(PO4)2+?Al->?AlPO4+?Ca
Ca3(PO4)2+2Al->2AlPO4+3Ca
300
2Li+?->?LiBr
2Li+Br2->2LiBr
400
How do you balance this equation ? H2 + O2 -> H2O
2H2 + O2 -> 2H2O
400
Calcium hydroxide & phosphoric acid react to form calcium phosphate & water CaOH2 +H3PO4->
Ca3(PO4)2+H2O
400
When crystalline C6H12O6 is burned in oxygen , carbon dioxide, * water vapor are formed
C6H12O6+6O2->6O2+6H2O
400
2Ca+O2->?
2Ca+O2->2CaO
400
?Na2CO3->?Na+2C+?O2
2Na2CO3->4Na+2c+3O2
500
How do you balance this equation ? Ag2O -> Ag + O2
2Ag2O -> 4Ag + O2
500
Sodium phosphate & calcium chloride react to form calcium phosphate & sodium chloride Na3PO4+CaCl2->
Ca3(PO4)2+NaCl
500
Calcium carbonate combines with hydrochloric acid (HCI) to produce calcium chloride, water, & carbon dioxide gas
2Ca(CO3)2+4HCl->2CaCl+2H2O+CO2
500
?N2O5->?N2+?O2
2N2O5->2N2+5O2
500
C3H8+?O2->?
2Ca+O2->2CaO